International Conferences

▼▼▼▼▼▼▼▼▼▼ 2021 ▼▼▼▼▼▼▼▼▼▼

1. Jinho Lee, Suhyoung Kwon, and Ju Han Lee “A 1.3-GHz harmonically mode-locked fiber laser using a V2AlC saturable absorber,” OECC2021, paperJS3C.5, Hong Kong, 3 ~ 7 July 2021.

▼▼▼▼▼▼▼▼▼▼ 2020 ▼▼▼▼▼▼▼▼▼▼

1. Kyungtaek Lee, Ikjun Hong, and Ju Han Lee, “Polarization-entangled photon generation in multimode fiber at visible wavelength,” ICTC2020, [TPC Special Session II-2] Special Session on Quantum Key Distribution and Quantum Signal Processing, II-2-4, Jeju Korea, Oct 2020.

2. Jinho Lee, and Ju Han Lee, “Saturable absorption properties of As2Te3 for ultrafast fiber lasers at 1.9 um,” ASSL2020, JTh6A.22, Quebec Canada, Oct 2020.

3.  Jinho Lee, Suhyoung Kwon, and Ju Han Lee, “Influence of the Saturable Absorber Recovery Time on Fiber Laser Mode-Locking,” CLEO-PR 2020, P1_14, Sydney Australia, Aug 2020.

4.  Jinho Lee, Jihwan Kim, and  Ju Han Lee, “Temperature Sensor Based on Mechanically Induced Long Period Fiber Gratings using a 3-D Printer;” CLEO-PR 2020, P3_15, Sydney Australia, Aug 2020

▼▼▼▼▼▼▼▼▼▼ 2019 ▼▼▼▼▼▼▼▼▼▼

1. Ju Han Lee, “2-D Materials for Ultrafast Laser Mode Locking,,” ACP2019, S4F1, Chengdu China,3rd November 2019.

2. Kyungtaek Lee, Jinho Lee, and Ju Han Lee, “Characterization of nonlinear absorption coefficient and nonlinear refractive index of ReSe2 transition metal,” ACP2019, M4A302, Chengdu, China, 4th November 2019.

3. Ju Han Lee, Young In Jhon, and Young Min Jhon, “MXene-based saturable absorbers for laser mode-locking,” NanoKorea 2019, Goyangsi, July 2019.

4. Jinho Lee, Kyungtaek Lee, and Ju Han Lee, “ReSe2-based Saturable Absorber for Femtosecond Mode-locking of a Fiber Laser,” ASSL2019, Vienna Austria, October 2019.

5. Ju Han Lee, “MXenes and MAX phases for ultrafast fiber lasers,” Conference on Information Optics and Photonics, Xian 8th August 2019

6. Jinho Lee, Guido Woo, Ju Han Lee, “A 3-D printed saturable absorber for femtosecond mode-locking of a fiber laser at a 1.9 μm wavelength,” Conference on Information Optics and Photonics, CIOP2019-2019-000250, Xian 7th August 2019

7. J. Lee, Y. Kim, and J.H. Lee, “Femtosecond Tm-Ho co-doped fiber laser using a CoSb3-skutterudite-based passive mode-locker,” CLEO-Europe, Munich, CF-P.58 SUN, 23rd Jun 2019

▼▼▼▼▼▼▼▼▼▼ 2018 ▼▼▼▼▼▼▼▼▼▼

1. Jinho Lee, Yoontaek Kim, Kyungtaek Lee and Ju Han Lee, "A femtosecond pulse fiber laser using a CoSb3 skutterudite-based passive mode-locker," ASSL2018, Boston USA, November 5-8, 2018

2. Jinho Lee, Seunghwan Ko, and Ju Han Lee, “A Burst-Mode Figure-Eight Fiber Laser for Linearly-Polarized, Dissipative Soliton Pulses,” OECC2018, Jeju South Korea, 4C4-3, 4 July 2018

3. Hee Dong Yang, Byunghuck Moon, Ju Han Lee, and Young Min Jhon, “Cavity-Dumped Mode-Locked Picosecond Alexandrite Single Pulse Laser with Double Trigger System,” OECC2018, Jeju South Korea, 5D4-4, 5 July 2018.

4. Ju Han Lee, “Topological Insulators for 2-um Ultrafast Fiber Lasers,” APLS2018, Xian China, K2 (Invited), 29 May 2018

5. Jinho Lee, Jihwan Kim,  and Ju Han Lee, “An Fe3O4 satuable absorber for passive Q-switching of a 1.9-um fiber laser,” APLS2018, Xian China, k1, 29 May 2018

▼▼▼▼▼▼▼▼▼▼ 2017 ▼▼▼▼▼▼▼▼▼▼

1. Jihwan Kim, Joonhoi Koo, Ju Han Lee, “An Actively Mode-Locked, All Fiber Laser Using an Acousto-Optic Modulator Based on Cladding-Etched Optical Fiber,” ASSL2017, paper JM5A.23, Nagoya Japan, 2 Oct 2017.

2. Jinho Lee, Mikhail Melkumov, Vladimir Khopin, Evgeny M. Dianov, Ju Han Lee, “A Passively Mode-locked Tm-Ho Fiber Laser Using a Mode-locker Based on Bismuth-doped Germanosilicate Fiber,” ASSL2017, paper JM5A.24, Nagoya Japan, 2 Oct 2017.

3. Seunghwan Ko, Jinho Lee, Ju Han Lee, “Passive Q-switching of a 1-µm Fiber Laser Using Bulk-like WTe2 Particles,” Optic 2017, Kaohsiung Taiwan, paper 0330.

4. Seunghwan Ko, Junsu Lee, Joonhoi Koo, and Ju Han Lee, “Passive Mode-locking of a Fiber Laser Using a Graphene Oxide-based Saturable Absorber Based on Cladding-Etched Optical Fiber,” CLEO-PR/OECC/PGC2017, Singapore Aug. 2017.

5. Jinho Lee, Joonhoi Koo, Junsu Lee, and Ju Han Lee, “Femtosecond Pulse Fiber Laser at 1.91 μm using MoSe2/PVA-based Evanescent Field Interaction,” CLEO-PR/OECC/PGC2017, Singapore Aug. 2017. 

▼▼▼▼▼▼▼▼▼▼ 2016 ▼▼▼▼▼▼▼▼▼▼

1. Junsu Lee, Joonhoi, Koo, and Ju Han Lee, "Dissipative Soliton Resonance of a Fiber Laser Using Bulkstructured Bi2Te3 Topological Insulator," ASSL2016, Boston USA, Nov 2016

2. Joonhoi Koo, Junsu Lee, and Ju Han Lee, "Use of a MoSe2 Saturable Absorber for Harmonically Modelocked Fiber Laser," ASSL2016, Boston USA, Nov 2016

3. Ju Han Lee, Joonhoi Koo, and Junsu Lee, "Pulsed fiber lasers based on bulk-structured topological insulators" ICOCN2016, Hangzhou China, Sep 2016 (Invited).

4. Ju Han Lee, Joonhoi Koo, and Junsu Lee, "Bulk-structured topological insulators for 2-μm pulsed fiber lasers" URSI2016, Seoul Korea Aug 2016 (Invited).

5. Ju Han Lee, Jonhoi Koo, Junsu Lee, "Ultrafast fiber lasers based on bulk-structured topological insulators," APLS2016, Jeju Korea, May 2016 (Invited).

6. Ju Han Lee, Joonhoi Koo, and Junsu Lee, "2-μm pulsed fiber lasers based on bulk-structured topological insulators," WOCC2016, chengdu China. May 2016 (Invited). 

▼▼▼▼▼▼▼▼▼▼ 2015 ▼▼▼▼▼▼▼▼▼▼

1. Joonhoi Koo, Junsu Lee, Ju Han Lee, "High Energy Q-switching of an All-fiberized 1.55 um Laser using GNRs/PVA Evanescent Field Interaction," OECC2015

2. Junsu Lee, Joonhoi Koo, and Ju Han Lee, Thulium-Holmium-codoped, Passively Q-switched Fiber Laser incorporating Bi2Te3 Saturable Absorber, ACP2015, Paper AM2C.4

3. Junsu Lee, Joonhoi Koo, Cheolhwan Chi, and Ju Han Lee, "A harmonically mode-locked femtosecond fiber laser using bulk-structured Bi2Te3 topological insulator,"" CLEO2015

4. Joonhoi Koo and Ju Han Lee, Repetition Rate-tunable Q-switched Fiber Laser Using a CNT-embedded Fiber Optic Coupler,”  ACP2015, Hong Kong, Paper ASu2A.58

5. Junsu Lee, Cheolhwan Chi, Joonhoi Koo, and Ju Han Lee, “Dissipative Soliton Yb-Doped Fiber Laser Using a Bulk-Structured Bi2Te3 Topological Insulator,” CLEO-PR 2015, Paper 26A3-6

▼▼▼▼▼▼▼▼▼▼ 2014 ▼▼▼▼▼▼▼▼▼▼

1. J. Jeon, J. Lee, and J. H. Lee, “Minimum Saturable Absorption Contrast for Stable Mode-locked Fiber Lasers,” Asia Communication and Photonics Conference (ACP), AF1C.6, Shanghai China, Nov. 2014.

2. J. Koo, J. Park, Y.-W. Song, and J. H. Lee, “A Polarization Beam Splitter Using Reduced Graphene Oxide-Embedded Fiber Coupler,” 19th Opto-Electronics and Communications Conference (OECC), WE9C-3, Melbourne, July 2014.

3. J. Lee, J. Koo, and J. H. Lee, “A Femtosecond Passively Mode-Locked Fiber Laser Using Bulk-Structured BI2TE3 Topological Insulator,” 19th Opto-Electronics and Communications Conference (OECC), TU5D3, Melbourne, July 2014.

4. J. H. Lee, S. Gross, B. V. Cunning, C. Brown, D. Kielpinski, T. M. Monro, and D. G. Lancaster, "Graphene-based passive Q-switching of a Tm3+:ZBLAN short-infrared waveguide laser," in CLEO: 2014, OSA Technical Digest (online) (Optical Society of America, 2014), paper JTu4A.128.

5. M. Jung, J. Koo, J. Park, Y. W. Song, K. Lee, S. B. Lee, and J. H. Lee, "A femtosecond thulium holmium co-doped fiber laser based on graphene oxide evanescent filed interaction," in CLEO: 2014, OSA Technical Digest (online) (Optical Society of America, 2014), paper JW2A.20.

▼▼▼▼▼▼▼▼▼▼ 2013 ▼▼▼▼▼▼▼▼▼▼

1. J. Lee, J. Koo, P. Debnath, Y.-W. Song, and J. H. Lee, “Q-switched Mode-locking of an Erbium-Doped Fiber Laser Incorporating a Graphene Oxide-Deposited D-shaped Fiber,” CLEO-PR & OECC/PS 2013, paper WA4-2, Kyoto Japan, 30th June ~ 4th July 2013.

2. J. Koo and J. H. Lee, "Passively Q-switched Erbium-Doped Fiber Laser Using a Side-polished Birefringent Fiber," CLEO-PR & OECC/PS 2013, paper TuPS-6, Kyoto Japan, 30th June ~ 4th July 2013.

3. M. Jung, J. Koo, P. Debnath, Y.-W. Song, and J. H. Lee “Carbon Nanotube-based Passive Qswitching of a 1.89 um Thulium Doped Fiber Laser”, paper PD106, ICNP/AOM2013, 19 May - 23 May 2013 at The Hong Kong Polytechnic University, Hong Kong, China.

▼▼▼▼▼▼▼▼▼▼ 2012 ▼▼▼▼▼▼▼▼▼▼

1. J. Lee, Y. M. Chang, and J. H. Lee, “UWB Doublet Pulse Generation Using the Combination of Parametric Amplification and Cross Phase Modulation,” Annual Meeting of IEEE Photonics Society (IPC2012), paper WS5, San Francisco USA. Sep 2012.

2. J. Lee, Y. M. Chang, and J. H. Lee, “Q-switched Mode-Locking of an Erbium-doped Fiber Laser through Subharmonic Cavity Modulation,” Annual Meeting of IEEE Photonics Society (IPC2012), paper WDD2, San Francisco USA. Sep 2012.

3. J. H. Huh, Y. M. Chang, L. Yan, and J. H. Lee, “Performance Analysis of Hybrid-amplification-based Long-distance FBG Sensor Systems,” 17th Opto-Electronics and Communications Conference (OECC), 4C1-3, Busan Korea, July 2012.

4. M. Jung, Y. M. Chang, and J. H. Lee, “Band-separated, Bidirectional Amplifier Based on Erbium-doped Bismuth Fiber for WDM-TDM PONs,” 17th Opto-Electronics and Communications Conference (OECC), 5C2-4, Busan Korea, July 2012.

5. J. Lee, Y. M. Chang, and J. H. Lee “A Q-switched Erbium-doped Fiber Laser Using an Ultrafast Silicon-based Variable Optical Attenuator,” 17th Opto-Electronics and Communications Conference (OECC), 5C3-5, Busan Korea, July 2012.

6. J. H. Lee, J. Lee, and Y. M. Chang, “Optical Fiber-based Nonlinear Signal Processing for Ultra-wideband Radio Signals,” 10th International Conference on Optical Internet (COIN2012), paper TuC.2, Yokohama Japan, May 2012 ( Invited).

7. M. Jung, Y. M. Chang, and J. H. Lee, “Performance Comparison between 980 and 1480 nm pumping for Er3+-doped Bismuth fiber amplifiers,” Optical Fiber Communications Conference (OFC’2012), paper JW2A.23, Los Angeles USA Mar 2012.

▼▼▼▼▼▼▼▼▼▼ 2011 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, “Ultra-wideband radio signal processing based on highly nonlinear optical fiber,” Asia Communication and Photonics Conference (ACP), paper 8307-48, Shanghai China, Nov. 2011. (Invited).

2. Y. M. Chang, J. Lee, and J. H. Lee, “Photonic Generation of UWB Doublet Pulses Using a Modified Kerr Switch with Parametric Amplification,” Annual Meeting of IEEE Photonics Society (IPC), paper TuB3, Arlington USA. Oct 2011.

3. J. Lee, Y. M. Chang, and J. H. Lee, “Monocycle Pulse Generation Based on Cross-Phase Modulation in Bismuth Oxide Nonlinear Fiber,” Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), paper 5250-CT-3, Sydney Aug 2011. 

4. M. Jung, Y. M. Chang, and J. H. Lee, “Paired-Induced Quenching in Bismuth Oxide-based Erbium-doped Fiber Amplifier,” Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), paper 4210-CT-4, Sydney Aug 2011. 

5. Y. M. Chang, J. Lee, and J. H. Lee, “Generation of Ultra-Wideband Doublet Pulses Based on Kerr Shutter Using an Elliptically Polarized Beam in Bismuth Oxide-Based Nonlinear Optical Fiber,” Optical Fiber Communications Conference (OFC’2011), paper JWA43, Los Angeles USA Mar 2011.

6. Y. M. Chang, H. Kim, J. H. Lee, and Y.-W. Song, “Passive Mode-Locker Incorporating Physically Exfoliated Graphene for Fiber Ring Lasers,” Optical Fiber Communications Conference (OFC’2011), paper OTHL3, Los Angeles USA Mar 2011.

▼▼▼▼▼▼▼▼▼▼ 2010 ▼▼▼▼▼▼▼▼▼▼

1. Y. M. Chang, J. Lee, and J. H. Lee, “Bipolar Tap Photonic Microwave Notch Filter Based on a Coupled Structure of Two Electroabsorption Modulators,” IEEE Photonics Society Annual Meeting, paper ThG1, Denver USA, Nov. 2010.

2. Y. M. Chang, J. Lee, and J. H. Lee, “Generation and Distribution of UWB Doublet Pulses Using Semiconductor Electroabsorption,” IEEE Photonics Society Annual Meeting, paper ThG1, Denver USA, Nov. 2010.

3. J. H. Lee and C. Kim, “High spectral power, continuous wave supercontinuum light source for optical coherence tomography imaging and telecommunication applications,” 9th International Conference on Optical Communications and Networks, (ICOCN2010), Nanjing China, 24 ~ 27 Oct. 2010. (Invited)

4. M. Jung. J. H. Shin, and J. H. Lee, “Impacts of signal excited-state absorption on gain and noise figure in Bismuth-based erbium-doped fiber amplifiers,” 9th International Conference on Optical Communications and Networks, (ICOCN2010), pp.359-361, Nanjing China, 24 ~ 27 Oct. 2010.

5. Y.M. Chang and J. H. Lee, “Numerical and experimental study on the photonic microwave filter incorporating a tunable differential group delay device,” 9th International Conference on Optical Communications and Networks, (ICOCN2010), pp.215-217, Nanjing China, 24 ~ 27 Oct. 2010.

6. J. H. Lee, “Nonlinear processing with Bismuth oxide nonlinear fibers,” IEEE Photon. Soc. Summer Topicals 2010, paper TuC2.1, Playa Del Carmen Mexico, July 2010. (Invited)

7. C. Kim and J. H. Lee “Optical coherence tomography imaging based on novel fiber lasers,” 15th Opto-Electronics and Communications Conference (OECC), 9C3-1, Sapporo Japan, July 2010 (Invited paper).

8. H. D. Lee, C. Kim, M. Y. Jeong, J. H. Shin, and J. H. Lee “OCT image based on wavelength-swept active mode locking dispersive fiber laser,” 15th Opto-Electronics and Communications Conference (OECC), 9C3-3, Sapporo Japan, July 2010.

9. J. Lee, Y. M. Chang, D. Koh, H. Chung, and J. H. Lee “Ultra-Wideband Doublet Pulse Generation Based on Electroabsorption Modulator,” 15th Opto-Electronics and Communications Conference (OECC), 7P-14, Sapporo Japan, July 2010.

10. J. H. Shin and J. H. Lee “Signal excited-state absorption cross-section Measurement of erbium-doped Bismuth fiber,” 15th Opto-Electronics and Communications Conference (OECC), 7C3-2, Sapporo Japan, July 2010.

11. Y. M. Chang and J. H. Lee, “Single Passband, Photonic Microwave FIR Filter Based on Gaussian-Shaped Wavelength Channels Taps,” Asia Pacific Microwave Photonics 2010, paper TB2-2, Hong Kong, April 2010.

▼▼▼▼▼▼▼▼▼▼ 2009 ▼▼▼▼▼▼▼▼▼▼

1. Y. M. Chang and J. H. Lee, "Tunable, Single Passband Photonic Microwave Filter Based on Stimulated Brillouin Scattering in Nonlinear Fiber," IEEE Photonics Society Annual Meeting (LEOS2009), paper ThG1, Antalya Turkey, Oct. 2009.

2. J. H. Lee, E. J. Jung, and C. S. Kim, “Incoherent, CW Supercontinuum Source Based on Erbium Fiber ASE for Optical Coherence Tomography Imaging,” 14th Opto-Electronics and Communications Conference (OECC), FD3, Hong Kong, 13 ~ 17 July 2009.

3. Y. M. Chang and J. H. Lee, “Photonic Microwave Frequency Measurement Using Lorentzian-Weighted Spectrum-Sliced Beams,” 14th Opto-Electronics and Communications Conference (OECC), WJ4, Hong Kong, 13 ~ 17 July 2009.

4. J. H. Lee, K. Y. Song, H. J. Yoon, J. S. Kim, T. Hasegawa, T. Nagashima, S. Ohara, N. Sugimoto, “Brillouin gain coefficient measurement of Bismuth oxide-based photonic crystal fiber,” Conference on Lasers and Electro-Optics (CLEO2009), JThE75, Baltimore, May 31 – 5 June 2009

5. J. H. Lee, “Nonlinear processing in Bismuth optical fibers,” 2009 IEEE LEOS Winter Topical Series on Nonlinear Processing in Optical Fibers,” IEEE Winter Topicals: Nano & Nonlinear Photonics, Innsbruck Austria, paper TuC1.3, January 2009 (Invited Paper). 

▼▼▼▼▼▼▼▼▼▼ 2008 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, W. J. Jeong, S. B. Lee, and Y.-M. Chang, “Single Passband, Tunable, Photonic Microwave Filter Based on Supercontinuum and Hi-Bi Fiber Interferometric Filter,” 13th Opto-Electronics and Communications Conference (OECC), ThD-1, Sydney Australia, July 2008 (Invited Paper).

2. W. J. Jeong, J. K. Bae, K. Lee, S. B. Lee, and Ju Han Lee, “Tunable Photonic Microwave Notch Filter Incorporating an S-Bending-based, Linearly Tunable, Chirped Fiber Bragg Grating,” 13th Opto-Electronics and Communications Conference (OECC), ThD-5, Sydney Australia, July 2008.

3. Y.-G. Han, X. Dong, J. H. Lee, K. Lee, and S. B. Lee, “All Multiwavelength Raman Fiber Ring Lasers with Continuous Wavelength Spacing Tunability,” Optical Fiber Communications Conference (OFC’2008), San Diego USA, March 2008, OThF5

4. K. Lee, S. B. Lee, J. H. Lee, C. H. Kim, and Y. Han, “Side-Mode Suppressed Multiwavelength Fiber Laser and Broadcast Transmission,” Optical Fiber Communications Conference (OFC’2008), San Diego USA, March 2008, OThF1

5. J. H. Lee, “All optical signal processing using Specialty fibers,” Optical Fiber Communications Conference (OFC’2008), San Diego USA, March 2008 (Invited Paper), OTuD7

6. J. H. Lee, Y.-M. Chang, and S. B. Lee "Spectrum Slicing-Based, High-Q, Photonic Microwave Filter Using the Combination of Incoherent Continuous-Wave Supercontinuum and Dispersion-Profiled Fiber," Optical Fiber Communications Conference (OFC'2008), San Diego USA, March 2008, OThH4.

▼▼▼▼▼▼▼▼▼▼ 2007 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, K. Lee, and C. H. Kim, “Continuous-Wave Supercontinuum-Based Bidirectional Long Reach WDM-POM Incorporating FP-LD-based OLT and RSOA-based ONUs,” to be presented in 33rd European Conference on Optical Communication (ECOC’2007), 6.4.5, Berlin Germany, September 2007.

2. C. H. Kim, J. H. Lee, D. K. Jung, Y.-G. Han, and S. B. Lee, “Performance Comparison of Directly-Modulated, Wavelength-Locked Fabry-Pérot Laser Diode and EAM-Modulated, Spectrum-Sliced ASE Source for 1.25 Gb/s WDM-PON,” Optical Fiber Communications Conference (OFC’2007), paper JWA82, Anaheim USA, March 2007.

3. Y.-G. Han, F. Presi, L. Poti, A. Bogoni, J. H. Lee, and S. B. Lee, “Continuously FSR Tunable All Fiber Fabry-Perot Filter and Its Application to Tunable Multiwavelength SOA Ring Laser,” Optical Fiber Communications Conference (OFC’2007), paper OWJ5, Anaheim USA, March 2007.

4. K. Lee, J. H. Lee, Y.-G. Han, S.B. Lee, S. G. Moom, S. M. Lee, and C. H. Lee, “A Self-Restorable Colorless Bidirectional WDM-PON Based on ASE-Injected FP-LDs,” Optical Fiber Communications Conference (OFC’2007), paper OTuG7, Anaheim USA, March 2007.

5. J. H. Lee, Y.-G. Han, S. B. Lee, and C. H. Kim “WDM-PON Architecture with C-Band OLT, L-Band ONU, and U-Band Monitoring Based on FP-LDs Wavelength-Locked by a Single, Depolarized, CW Supercontinuum,” Optical Fiber Communications Conference (OFC’2007), paper OTuG3, Anaheim USA, March 2007.

6. Y.-G. Han, X. Dong, J. H. Lee, and S. B. Lee, “Temperature Insensitive Bending Sensor Based on a Sampled Fiber Bragg Grating,” Optical Fiber Communications Conference (OFC’2007), paper OMQ4, Anaheim USA, March 2007.

▼▼▼▼▼▼▼▼▼▼ 2006 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, Y. M. Chang, Y.-G. Han, H. Chung, and S. B. Lee, “Tuneable Microwave Photonic Filter Incorporating Wavelength Spacing Programmable, Arrayed Micro-Mirror Based Optical Filter,” 32nd European Conference on Optical Communication (ECOC’2006), Mo4.4.1, Cannes France, September 2006.

2. J. H. Lee, C. H. Kim, Y.-G. Han, and S. B. Lee, “1.25 Gbit/s WDM PON Upstream Transmission Using Fabry-Pérot Laser Diodes Injected by Depolarised CW Supercontinuum Source,” 32nd European Conference on Optical Communication (ECOC’2006), Tu3.5.5, Cannes France, September 2006.

3. J. H. Lee, C. H. Kim, Y.-G. Han, and S. B. Lee, “Raman Amplification Based Bidirectional WDM-PON Using Spectrum Sliced ASE Upstream Source Recycling Residual Raman Pump,” 32nd European Conference on Optical Communication (ECOC’2006), Tu3.5.6, Cannes France, September 2006.

4. J. H. Lee, S. B. Lee, and Y.-G. Han, “Novel Dispersion Properties of Photonic Crystal Fiber,” 12th Mocrooptics Conference (MOC’2006), paper SS-3, Seoul Republic of Korea, September 2006 (Invited paper).

5. J. H. Lee, “Bismuth oxide nonlinear fiber-based optical devices for telecommunications,” Asia-Pacific Optical Communications (APOC’2006), paper 6351-52, Gwangju Republic of Korea, September 2006 (Invited paper).

6. Y.-G. Han, J. H. Lee, and S. B. Lee, “Tunable multiwavelength erbium-doped fiber laser incorporating dispersion-shifted fiber at room temperature,” The joint International Conferences on Optical Internet and next Generation Network (COIN_NGNCON2006), WeB1-3, Jeju Republic of Korea, July 2006.

7. J. H. Lee, K. Katoh, Y.-G.Han, S. B. Lee, and K. Kikuchi, “Continuous Supercontinuum laser composed of double clad Er/Yb codoped fiber and highly nonlinear optical fiber,” The joint International Conferences on Optical Internet and next Generation Network (COIN_NGNCON2006), WeB1-5, Jeju Republic of Korea, July 2006.

8. Y.-G. Han, J. H. Lee, and S. B. Lee, “Novel tunable dispersion controller for tunable pulse repetition rate multiplication,” 11th Opto-Electronics and Communications Conference (OECC), 5D1-3, Kaosiung Taiwan, July 2006.

9. C. H. Kim, Y.-G. Han, J. H. Lee, and S. B. Lee, “Experimental investigation of gain transients in bi-directionally pumped Raman amplifiers,” 11th Opto-Electronics and Communications Conference (OECC), 6B4-3, Kaosiung Taiwan, July 2006.

10. Y.-G. Han, J. H. Lee, and S. B. Lee, “Fiber Bragg grating based wavelength spacing tunable erbium-doped fiber ring laser using degenerate four wave mixing,” 11th Opto-Electronics and Communications Conference (OECC), 7D1-3, Kaosiung Taiwan, July 2006.

11. Y.-G. Han, D. S. Moon, Y. Chung, J. H. Lee, and S. B. Lee, “Room temperature multiwavelegnth Raman fiber laser using a few-mode fiber Bragg grating,” 11th Opto-Electronics and Communications Conference (OECC), 7D1-4, Kaosiung Taiwan, July 2006.

12. J. H. Lee, C. H. Kim, Y. G. Han, S. B. Lee, Ohara, T. Nagashima, T. Hasegawa, N. Sugimoto, and K. Kikuchi, “Chromatic Dispersion Compensation in a Transmission link Using a Stimulated Brillouin Scattering Free, Bismuth Nonlinear Optical Fiber Based Phase Conjugator,” Conference on Laser and Electro-Optics (CLEO’2006), CMT1, Long Beach USA, May 2006.

13. J. H. Lee, S. Ohara, T. Nagashima, T. Hasegawa, N. Sugimoto, and K. Kikuchi, “A High Speed OTDM Receiver of Clock Recovery and Demultiplexing Using Bismuth Oxide-Based Nonlinear Fiber and Erbium-Doped Bismuth Oxide Fiber,” Conference on Laser and Electro-Optics (CLEO’2006), CMT2, Long Beach USA, May 2006.

14. J. H. Lee, Y.-G. Han, S. B. Lee, and K. Kikuchi, “Continuous-Wave Supercontinuum Generation from a Simple Ring Cavity Laser Composed of Double Clad Er/Yb Codoped Fiber and Highly Nonlinear Optical Fiber,” Conference on Laser and Electro-Optics (CLEO’2006), CMGG4, Long Beach USA, May 2006.

15. Y.-G. Han, G. Kim, H. S. Cho, S. H. Kim, J. H. Lee, S. B. Lee, C. H. Kim, C. H. Jeong, C. H. Oh, and H. J. Kang, “320Gbit/s (32 X 10 Gbit/s) WDM transmission over bending insensitive holey fiber for metro communication,” Conference on Laser and Electro-Optics (CLEO’2006), JWB50, Long Beach USA, May 2006.

16. Y.-G. Han, J. H. Lee, and S. B. Lee, “Uniform fiber Bragg grating based tunable dispersion compensator and its application to tunable pulse repetition rate multiplication,” Conference on Laser and Electro-Optics (CLEO’2006), JWB56, Long Beach USA, May 2006.

17. Y.-G. Han, J. H. Lee, and S. B. Lee, “Long Distance Simultaneous Measurement of Strain and Temperature Based on Multiwavelength Raman Fiber Lasers,” Conference on Laser and Electro-Optics (CLEO’2006), CThL5, Long Beach USA, May 2006.

18. Y.-G. Han, J. H. Lee, and S. B. Lee, “Flexibly tunable multiwavelength Raman fiber laser based on few mode fiber Bragg grating,” Conference on Laser and Electro-Optics (CLEO’2006), CTuY7, Long Beach USA, May 2006.

19. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Cross Phase Modulation-based, Tunable Wavelength Conversion of 10-Gbit/s NRZ Signal Using 1-m Bismuth Oxide-based Nonlinear Optical Fiber,” Optical Fiber Communications Conference (OFC’2006), paper OFH1, Anaheim USA, March 2006.

20. J. H. Lee and K. Kikuchi, “Continuous-Wave Supercontinuum Generation from an Erbium-Doped Fiber Ring Laser Incorporating a Highly Nonlinear Optical Fiber,” Optical Fiber Communications Conference (OFC’2006), paper OFH2, Anaheim USA, March 2006.

▼▼▼▼▼▼▼▼▼▼ 2005 ▼▼▼▼▼▼▼▼▼▼

1. T. Tanemura, J.H. Lee, D. Wang, K. Katoh, and K. Kikuchi, “160-Gbit/s polarization insensitive wavelength conversion using cross phase modulation in a circular birefringence highly nonlinear fibre,” 31st European Conference on Optical Communication (ECOC’2005), Mo4.5.4, Glasgow UK, September 2005

2. J. H. Lee, T. Tanemura, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Comparison of Kerr Nonlinearity Figure-of-Merit Including Stimulated Brillouin Scattering for Bismuth Oxide- and Silica-based Nonlinear Fibres,” 31st European Conference on Optical Communication (ECOC’2005), We3.4.3, Glasgow UK, September 2005.

3. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Wavelength-Conversion and Demultiplexing of an 80 Gbit/s Signal Using XPM-induced Wavelength Shift in Bismuth Oxide-based Nonlinear Fibre,” 31st European Conference on Optical Communication (ECOC’2005), Glasgow UK, September 2005.

4. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “All fiber-based 160-Gbit/s add/drop multiplexer incorporating a 1-m-long Bismuth Oxide-based ultra-high nonlinearity fiber,” 10th Opto-Electronics and Communications Conference (OECC), postdeadline paper PDP-6, Seoul South Korea, July 2005.

5. J. H. Lee, Y. M. Chang, Y.-G. Han, S. H. Kim, and S. B. Lee, “Transient Response of Single Pump, Dispersion- Compensating Raman/EDFA Hybrid Amplifier Recycling Residual Raman Pump,” 10th Opto-Electronics and Communications Conference (OECC), 6D2-3, Seoul South Korea, July 2005.

6. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “All-Optical 80-Gbit/s Wavelength Conversion Using 1-m Bismuth Nonlinear Optical Fiber,” 10th Opto-Electronics and Communications Conference (OECC), 6D3-2, Seoul South Korea, July 2005.

7. J. H. Lee, Y. M. Chang, Y. G. Han, H. Chung, S. H. Kim, and S. B. Lee, “Raman amplifier-based, long-distance temperature/strain sensing system incorporating a combined sensing probe of an FBG and an EDF recycling residual Raman pump,” 16th International Conference on Optical Fiber Sensors (OFS), pp.848-851, Bruges Belgium, July 2005.

8. Y.-G. Han, J. H. Lee, S. H. Kim, and S. B. Lee, “Development of long-distance temperature sensor based on Raman fiber laser using fiber Bragg gratings,” 16th International Conference on Optical Fiber Sensors (OFS), pp.523-526, Bruges Belgium, July 2005.

9. J. H. Lee, T. Tanemura, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “80 Gbit/s OTDM Demultiplexer Based on Polarization Rotation and XPM Induced Wavelength Shift in a 1 m Bi2O3 Nonlinear Fiber,” Conference on Laser and Electro-Optics (CLEO’2005), CWK4, Baltimore USA, June 2005.

10. J. H. Lee, T. Tanemura, Y. Takushima, and K. Kikuchi, “All-Optical 80 Gbit/s OTDM Add-Drop Multiplexer Using a Single Fiber-based Nonlinear Optical Loop Mirror,” Conference on Laser and Electro-Optics (CLEO’2005), CTuO2, Baltimore USA, June 2005.

11. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, T. Tanemura, and K. Kikuchi, “Wavelength Conversion of 40-Gbit/s NRZ Signal Using Four-Wave Mixing in 40-cm-long Bismuth Oxide Based Highly-Nonlinear Optical Fiber,” Optical Fiber Communications Conference (OFC’2005), Anaheim USA, March 2005, Postdeadlinepaper PDP23.

12. Y.-G. Han, G. Kim, J. H. Lee, S. H. Kim, and S. B. Lee, “Wavelength spacing tunable multiwavelength fiber laser with lasing wavelength selectivity,” Optical Fiber Communications Conference (OFC’2005), Anaheim USA, March 2005, OME12.

13. J. H. Lee, Y. M. Chang, Y. G. Han, H. Chung, S. H. Kim, and S. B. Lee,” Experimental Performance Comparison for a Variety of Single Pump, Highly Efficient, Dispersion Compensating Raman/EDFA Hybrid Amplifiers,” Optical Fiber Communications Conference (OFC’2005), Anaheim USA, March 2005, OThF6.

▼▼▼▼▼▼▼▼▼▼ 2004 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, Y. G. Han, S. B. Lee, T. Kogure, and D. J. Richardson, “40 GHz adiabatic soliton pulse generation from a dual frequency beat signal using dispersion decreasing fiber based Raman amplification,” in Proc Optical Networks and Technology Conference 2004, Pisa Italy, October 2004.

2. J. H. Lee, Y. M. Chang, Y. G. Han, S. H. Kim, and S. B. Lee, “A tunable linearly chirped fiber Bragg grating based 20 ~ 50 GHz pulse repetition rate multiplication of a 10 GHz pulse source,” in Proc Asia-Pacific Optical Communications Conference and Exhibition (APOC 2004), Beijing China October 2004.

3. Y. G. Han, J. H. Lee, S. H. Kim, and S. B. Lee, “Investigation of discrimination method of bending and temperature sensitivities with phase-shifted long-period fiber gratings depending on initial coupling strength,” Asia-Pacific Optical Communications Conference and Exhibition (APOC 2004), Beijing China October 2004.

4. J. H. Lee, Y. G. Han, Y. M. Chang, S. H. Kim, and S. B. Lee, “2~5 times tuneable repetition rate multiplication of a 10 GHz pulse source using a tuneable chirped fibre Bragg grating and a nonlinear optical loop mirror,” 30th European Conference on Optical Communication (ECOC’2004), Stockholm Sweden, September 2004.

5. Y. G. Han, J. H. Lee, S. H. Kim, and S. B. Lee, “Voltage-Controllable Multichannel filter based on Cascaded Long-Period Fiber Gratings,” 9th Opto-Electeonics and Communications Conference (OECC), Tokyo Japan, July 2004.

6. J. H. Lee, J. Kim, Y. G. Han, S. H. Kim, and S. B. Lee, “Raman fiber laser temperature probe incorporating fiber Bragg gratings for long-distance remote sensing Applications,” 9th Opto-Electeonics and Communications Conference (OECC), Tokyo Japan, July 2004.

7. D. J. Richardson, K. Furusawa, H. Ebendorff-Heidepriem, P. Petropoulos, V. Finazzi, J. C. Baggett, W. Belardi, T. Kogure, J. H. Lee, Z. Yusoff, J. Nilsson, Y. Jeong, J. K. Sahu, and T. M. Monro, “Practical applications of holey optical fibers,” Optical Fiber Communications Conference (OFC’2004), ThA1, L.A. USA, March 2004 (Invited paper).

8. T. Kogure, J. H. Lee, and D. J. Richardson, “High quality 1.3 ps 10 GHz soliton pulse source employing dispersion decreasing fiber based Raman amplification,” Optical Fiber Communications Conference (OFC’2004), ThB5, L.A. USA, March 2004.

9. J. H. Lee, T. Kogure, and D. J. Richardson, “Wavelength tunable 10 GHz, 3 ps pulse source using a dispersion decreasing fiber,” Optical Fiber Communications Conference (OFC’2004), L.A. USA, March 2004.

▼▼▼▼▼▼▼▼▼▼ 2003 ▼▼▼▼▼▼▼▼▼▼

1. T. Kogure, K. Furusawa, J. H. Lee, T. M. Monro, and D. J. Richardson, “An erbium doped holey fiber amplifier and ring laser,” 29th European Conference on Optical Communication (ECOC’2003), Th4-1, Rimini Italy, September 2003 (Postdeadline paper).

2. J.H. Lee, M. Ibsen, L.K. Oxenløwe, A.T. Clausen, P. Jeppesen, and D.J. Richardson, “Fibre Bragg grating based rectangular pulse switching technology for timing jitter tolerant OTDM data demultiplexing,” Conference on Photonics in Switching 2003, Versailles (Paris), France, September, 2003.

3. J. H. Lee, W. Belardi, T. M. Monro, and D. J. Richardson, “Holey fiber based nonlinear optical devices for telecommunications,” Conference on Laser and Electro-Optics (CLEO’2003), Baltimore USA, June 2003 (Invited paper).

4. P. J. Almeida, J. H. Lee, M. Ibsen, P. Petropoulos, B. C. Thomsen, P. C. Teh, F. Parmigiani, and D. J. Richardson, “All-optical TDM data demultiplexing based on a highly nonlinear fiber Kerr gate using a linearly chirped rectangular control pulse,” Conference on Laser and Electro-Optics (CLEO’2003), Baltimore USA, June 2003.

5. H. Ebendorff-Heidepriem, K. Furusawa, J. H. Lee, P. Petropoulos, W. Belardi, T. Monro, and D. Richardson, “Fundamentals and applications of silica and non-silica holey fibers,” DGG-Symposium ' Processing and Applications of Optical Components' Leipzig Germany, May 2003 (Invited paper).

6. J.H. Lee, L.K. Oxenløwe, M. Ibsen, K.S. Berg, A.T. Clausen, D.J. Richardson, and P. Jeppesen, “Timing jitter tolerant all-optical TDM data demultiplexing at 80Gbit/s using fiber Bragg grating based rectangular pulse switching technology,” Optical Fiber Communications Conference (OFC’2003), TuH7, Atlanta USA, March 2003.

7. F. Parmigiani, P. Petropoulos, P. J. Almeida, M. Ibsen, J. H. Lee, and D.J.Richardson, “A direct assessment of the performance of pulse shaping superstructured fiber gratings using an optical sampling oscilloscope,” Optical Fiber Communications Conference (OFC’2003), Atlanta USA, March 2003.

8. T. M. Monro, K. Furusawa, J. H. Lee, J. H. V. Price, Z. Yusoff, J. C. Baggett, and D. J. Richardson, “Advances in holey fibers,” Photonics West, San Francisco USA, Jan 2003 (Invited paper).

▼▼▼▼▼▼▼▼▼▼ 2002 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, D. J. Richardson, Z. Yusoff, W. Belardi, and T. M. Monro, “System applications of holey fibers,” 15th Annual meeting of the IEEE Lasers & Electro-Optics Society (LEOS’2002), Glasgow Scotland, November 2002 (Invited paper).

2. K. M. Kiang, K. Frampton, T. M. Monro, M. N. Petrovich, R. Moore, J. H. Lee, Z. Yusoff, J. Tucknott, D. W. Hewak, H. N. Rutt, and D. J. Richardson, “Extrusion of high nonlinearity single-mode holey optical fibers,” The American Ceramic Society, Glass & Optical Materials Division Fall Meeting, Pittsburgh USA, October 2002.

3. W. Belardi, J. H. Lee, K. Furusawa, Z.Yusoff, P. Petropoulos, M. Ibsen, T. M. Monro, and D. J. Richardson, “A 10 Gbit/s tuneable wavelength converter based on four-wave mixing in highly nonlinear holey fibre,” 28th European Conference on Optical Communication (ECOC’2002), PD1-2, Copenhagen Denmark, September 2002 (Postdeadline paper).

4. J. H. Lee, Z. Yusoff, W. Belardi, T. M. Monro, B. Thomsen, and D. J. Richardson, “Holey fiber based tuneable WDM wavelength converter using cross-phase modulation and filtering,” 28th European Conference on Optical Communication (ECOC’2002), 3.4.3, Copenhagen Denmark, September 2002.

5. B. C. Thomsen, P. C. Teh, M. Ibsen, J. H. Lee, and D. J. Richardson, “A multi-hop optical packet switching demonstration employing all-optical grating based header generation and recognition,” 28th European Conference on Optical Communication (ECOC’2002), 5.5.3, Copenhagen Denmark, September 2002.

6. T. M. Monro, V. Finazzi, W. Belardi, K. M. Kiang, J. H. Lee, and D. J. Richardson, “Highly nonlinear holey optical fibres: design manufacture and device applications,” 28th European Conference on Optical Communication (ECOC’2002), S 1.5, Copenhagen Denmark, September 2002 (Invited paper).

7. D.J. Richardson, J.H. Lee, Z. Yusoff, W. Belardi, K. Furusawa, J. H.V. Price, M. Kiang, K. Frampton, D.Hewak, J.A. Tucknott, R.C. Moore, H.N. Rutt and T.M. Monro, “Holey fibers for nonlinear fiber devices,” Optical Amplifiers and Their Applications (OAA’2002), OMD1, Vancouver Canada, July 2002 (Invited paper).

8. M. Ibsen, R. Feced, P. C. Teh, J. H. Lee, M. R. Mokhtar, P. Petropoulos, M. N. Zervas, D. J. Richardson, and D. N. Payne, “Advanced fibre Bragg gratings and where they are going,” AIP-ACOFT 2002, Sydney Australia, 8-11 Jul 2002 (Invited paper).

9. J. H. Lee, Z. Yusoff, W. Belardi, T. M. Ibsen, M. Monro, B. Thomsen, amd D. J. Richardson, “Holey fiber based WDM wavelength converter incorporating an apodized fiber Bragg grating filter,” Conference on Laser and Electro-Optics (CLEO’2002), Long beach USA, May 2002 (Postdeadline paper).

10. Z. Yusoff, J.H. Lee, W. Belardi, M. Ibsen, T.M. Monro, and D.J. Richardson, “A holey fiber based Brillouin laser,” Conference on Laser and Electro-Optics (CLEO’2002), CMJ7, Long beach USA, May 2002.

11. T. M. Monro, K. M. Kiang, J. H. Lee, K. Frampton, Z. Yusoff, R. Moore, J. Tucknott, D. W. Hewak, H. N. Rutt, and D. J. Richardson, “High nonlinearity extruded single-mode holey optical fibers,” Optical Fiber Communications Conference (OFC 2002) FA1, Anaheim, 19-21 Mar 2002 (Postdeadline paper).

12. J. Nilsson, R. Selvas, W. Belardi, J. H. Lee, Z. Yusoff, T. M. Monro, D. J. Richardson, “Continuous-wave pumped holey fiber Raman laser,” Optical Fiber Communications Conference (OFC’2002), CR6, Anaheim USA, March 2002.

13. P. C. Teh, M. Ibsen, L.B. Fu, J. H. Lee, Z. Yusoff, and D. J. Richardson, “A 16-channel OCDMA system (4 OCDMA X 4WDM) based on 16-chip, 20 Gchip/s sperstructure fibre Bragg gratings and DFB laser transmitters,” Optical Fiber Communications Conference (OFC’2002), ThEE1, Anaheim USA, March 2002 (Invited paper).

▼▼▼▼▼▼▼▼▼▼ 2001 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, Z. Yusoff, W. Belardi, T. M. Monro, P. C. Teh, and D. J. Richardson, “A holey fibre Raman amplifier and all-optical modulator,” 27th European Conference on Optical Communication (ECOC’2001), PD.A.1.1, Amsterdam the Netherlands, October 2001 (Postdeadline paper).

2. J. H. Lee, P. C. Teh, Z. Yusoff, M. Ibsen, W. Belardi, T. M. Monro, and D. J. Richardson, “An OCDMA receiver incorporating a holey fibre nonlinear thresholder,” 27th European Conference on Optical Communication (ECOC’2001), PD.B.1.2, Amsterdam the Netherlands, October 2001 (Postdeadline paper).

3. W. Belardi, T. M. Monro, J. H. V. Price, J. H. Lee, P. Petropoulos and D. J. Richardson, “Fabrication and applications of highly nonlinear silica holey fibres,” QEP-15, Glasgow UK September 2001.

4. J. H. Lee, P. C. Teh, P. Petropoulos, M. Ibsen and D. J. Richardson, “ The use of nonlinear optical elements for signal recognition signature enhancement in a grating based all-optical CDMA coding:decoding system,” Rank Prize Fund Mini symposium: Tera-bit Optical Networks, Lake district UK, April 2001.

5. J. H. Lee, P. C. Teh, P. Petropoulos, M. Ibsen and D. J. Richardson, “Timing jitter tolerant all-optical modulator and demultiplexing systems incorporating pulse-shaping friber Bragg gratings,” Optical Fiber Communications Conference (OFC’2001), PD30, Anaheim USA, March 2001 (Postdeadline paper).

6. P. C. Teh, M. Ibsen, J. H. Lee, P. Petropoulos, and D. J. Richardson, “A 4-channel WDM/OCDMA system incorporating 255-chip, 320 Gchip/s quaternary phase coding and decoding gratings,” Optical Fiber Communications Conference (OFC’2001), PD37, Anaheim USA, March 2001 (Postdeadline paper).

7. J. H. Lee, P. C. Teh, P. Petropoulos, M. Ibsen and D. J. Richardson, “High performance, 64-chip, 160Gchip/s fiber grating based OCDMA receiver incorporating a nonlinear optical loop mirror,” Optical Fiber Communications Conference (OFC’2001), ThH4, Anaheim USA, March 2001.

8. P. C. Teh, J. H. Lee, M. Ibsen, P. Petropoulos, and D. J. Richardson, “A 10-Gbit/s all-optical code generation and recognition system based on a hybrid approach of a fiber delay line and superstructure fiber Bragg grating technologies,” Optical Fiber Communications Conference (OFC’2001), WDD91, Anaheim USA, March 2001.

9. P. Petropoulos, T. M. Monro, W. Belardi, K. Furusawa, J. H. Lee, and D. J. Richardson, “A highly nonlinear holey fiber and its application in a regenerative optical switch,” Optical Fiber Communications Conference (OFC’2001), TuC3, Anaheim USA, March 2001.

▼▼▼▼▼▼▼▼▼▼ 1999 ▼▼▼▼▼▼▼▼▼▼

1. J. H. Lee, U.-C. Ryu, and N. Park, “Efficiency Improved Er3+ Doped Fiber Fluorescent Sources with 80 nm Bandwidth through Seed Photon Generation in the Unpumped EDF,” 13th International Conference on Optical Fiber Sensors (OFS), P2-14, Kyongju Korea, April 1999.

2. J. H. Lee, U.-C. Ryu, and N. Park, “Improvement of 157∼1.61 ㎛ band amplification efficiency by recycling wasted backward ASE through the unpumped EDF section,” Optical Fiber Communication Conference (OFC’99), WA3, San Diego U.S.A., February 1999.

▼▼▼▼▼▼▼▼▼▼ 1998 ▼▼▼▼▼▼▼▼▼

1. J. Jung, H. Nam, J. H. Lee, N. Park, and B. Lee, “Simultaneous measurement of strain and temperature using a single fiber Bragg grating with erbium doped fiber amplifier,” IEEE LEOS Annual Meeting (LEOS’98), WEE4, Orlando USA, December 1998.

2. J. H. Lee, U.-C. Ryu, and N. Park, “Gain temperature dependence of a 1.57 ~ 1.61m band aluminum-codoped silica based erbium amplifier,” 3rd Opto-Electeonics and Communications Conference (OECC), 14P-44, Tokyo Japan, July 1998.

3. J. H. Lee, and N. Park, “Split-stage equalization filter approach for noise figure reduction in multi-channel gain flattened EDFA,” Conference on Laser and Electro-Optics (CLEO’98), CWK4, San Francisco U.S.A., April 1998.

4. J. H. Lee, and N. Park, “Temperature dependent distortion of multi-channel gain flatness for silica, and ZBLAN based erbium amplifiers,” Optical Fiber Communication Conference (OFC’98), WG1, San Jose U.S.A., February 1998.

5. S. K. Si, S. J. Kim, J. H. Lee, D. H. Yeo and K. H. Yoon, “A large bandgap shift in InGaAs(P)/InP Multi-quantum well structure obtained by impurity-free vacancy diffusion using SiO2 capping and its application to photodetectors,” Photonic West, SPIE, San Jose U.S.A., January 1998, and published in the SPIE proceedings, vol. 3287, pp.88-95.