Lasers & Optical Semiconductor Laboratory

한국어

Publication

International Journal

해외 저널


 2017 


[148] J.Lee, B.Yu, Y.I.Jhon, J. Koo, S. Kim, Y.M.Jhon, J. H. Lee, "Filled Skutterudites for Broadband Saturable Absorbers," Advanced Optical Materials, April. 2017. 

[147] J. Koo, J. Lee, J. H. Lee, "An Integrated Fiber-optic Device Based on a Combination of a Piezoelectric Transducer and a Bulk-structured Bi2Te3 Topological Insulator for Q-switched Mode-locking of a Fiber Laser," Journal of Lightwave Technology, Vol.PP, No.99, Feb. 2017. 



 2016 


[146] J. Lee, J. Koo, J. Lee and J. H. Lee, “End-to-End Self-Assembly of Gold Nanorods in Water Solution for Absorption Enhancement at a 1-to-2 μm Band for a Broadband Saturable Absorber ,” Journal of Lightwave Technology, Vol. 34, No. 22, 5250, Nov. 2016.

[145] J. Koo, Y. I. Jhon, J. Park, J. Lee, and Y. M. Jhon, “Near-Infrared Saturable Absorption of Defective Bulk-Structured WTe2 for Femtosecond Laser Mode-Locking ,” Advanced Functional Materials, Vol. 26, No. 41, 7454, Sep. 2016.

[144] J. Koo, J. Park, J. Lee, Y. M. Jhon, and J. H. Lee, “Femtosecond harmonic mode-locking of a fiber laser at 3.27 GHz using a bulk-like, MoSe2-based saturable absorber ,” Opt. Express, Vol. 24, No. 10, 10575, 2016.

[143] M. Jung, J. Lee, W. Song, Y. L. Lee1, J. H. Lee and W. Shin, “A passively mode locked thulium doped fiber laser using bismuth telluride deposited multimode interference ,” Laser Physics Letters, Vol. 13, No. 5, 055103, April. 2016.

[142] J. Lee, J. Lee, J. Koo, Y. Chung and J. H. Lee, “Linearly polarized, Q-switched, erbium-doped fiber laser incorporating a bulk-structured bismuth telluride/polyvinyl alcohol saturable absorber,” Optical Engineering, Vol. 55, No. 7, 076109, Jul. 2016.

[141] S. Ko, J. Lee, J. Koo, B. Joo, M. Gu and J. H. Lee, “Chemical wet etching of an optical fiber using a hydrogen fluoride-free solution for a saturable absorber based on the evanescent field interaction,” Journal of Lightwave Technology, Vol. PP, No. 99, 2583061, Jun. 2016.

[140] J. Lee, J. Park, J. Koo, Y. M. Jhon and J. H. Lee, “Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber,” Journal of Optics, Vol. 18, No. 3, 035502, Feb. 2016.

[139] J. Lee, J. Koo and J. H. Lee, “A pulse-width-tunable, mode-locked fiber laser based on dissipative soliton resonance using a bulk-structured Bi2Te3 topological insulator,” Optical Engineering, Vol. 55, No. 8, 081309, Feb. 2016.

[138] J. Lee, J. Lee, J. Koo and J. H. Lee, "Graphite saturable absorber based on the pencil-sketching method for Q-switching of an erbium fiber laser,” Applied Optics, Vol. 55, No. 2, 303-309, Jan. 2016.


 2015 


[137] K. Park, J. Lee, Y. T. Lee, W.-K. Choi, J. H. Lee and Y.-W. Song, “Black phosphorus saturable absorber for ultrafast mode-locked pulse laser via evanescent field interaction,” Annalen der Physik, Vol. 527, No. 11-12, 770–776, Dec. 2015.

[136] P. C. Debnath, J. Park, A. M. Scott, J. Lee, J. H. Lee and Y.-W. Song, “In situ synthesis of graphene with telecommunication lasers for nonlinear optical devices,” Adv. Opt. Materials, Vol. 3, No. 9, 1264–1272, Sep. 2015.

[135] J. koo, J. Park, Y.-W. Song, S. Lee, K. Lee and J. H. Lee, “Fiber optic polarization beam splitter using a reduced graphene oxide-based interlayer,” Opt. Materials, Vol. 49, 324-328, Aug. 2015.

[134] J. Koo, J. Lee, W. Shin and J. H. Lee, “Large energy, all-fiberized Q-switched pulse laser using a GNRs/PVA saturable absorber,” Opt. Mat. Express, Vol. 5, No. 8, 1859, Aug. 2015.

[133] M. Jung, J. Lee, J. Park, J. Koo, Y. M. Jhon and J. H. Lee, “Mode-locked, 1.94-um, all-fiberized laser using WS2-based evanescent field interaction,” Opt. Express, Vol. 23, No. 15, 19996, Jul. 2015.

[132] J. Lee, J. Koo, Y. Jhon and J. H. Lee, “Femtosecond harmonic mode-locking of a fiber laser based on a Bulk-structured Bi2Te3 Topological Insulator”, Opt. Express, Vol. 23, No. 5, 6359-6369, Mar. 2015.

[131] J. Lee, M. Jung, J. Koo, C. Chi and J. H. Lee, “Passively Q-switched 1.89-um Fiber Laser using a Bulk-structured Bi2Te3 Topological Insulator,” J. Sel. Quantum Electron, Vol. 21, No. 1, 0900206, Feb. 2015.

[130] J. Jeon, J. Lee and J. H. Lee, “Numerical study on the Minimum Modulation Depth of a Saturable Absorber for Stable Fiber Laser Mode Locking,” J. Opt. Soc. Am. B, Vol. 32, No. 1, 31-37, Jan. 2015.


 2014 


[129] M. Jung, J. Lee, M. Melkumov, V. F. Khopin, E. M. Dianov and J. H. Lee, "Burst-mode pulse generation from a bismuth-doped germanosilicate fiber laser through self Q-switched mode-locking," Laser Phys. Lett., Vol. 11, No. 12, 125102, Oct. 2014.

[128] J. Koo, J. Lee, C. Chi and J. H. Lee, " Passively Q-switched 1.56 um all-fiberized laser based on evanescent field interaction with bulk-structured bismuth tellurude topological insulator," J. Opt. Soc. Am. B, Vol. 31, No. 9, 2157-2162, Sep. 2014.

[127] C. Chi, J. Lee, J. Koo and J. H. Lee, "All-normal-dispersion dissipative-soliton fiber laser at 1.06 um using a bulk-structured Bi2Te3 topological insulator-deposited side-polished fiber," Laser Phys., Vol. 24, No. 10, 105106, Aug. 2014.

[126] J. Lee, J. Koo, C. Chi and J. H. Lee, "All-fiberized, passively Q-switched 1.06 um laser using a bulk-structured Bi2Tetopological insulator," Journal of Optics, Vol. 16, No. 8, Jul. 2014.

[125] M. Jung, J. Lee, J. Koo, J. Park, Y.-W. Song, K. Lee, S. Lee and J. H. Lee, "A femtosecond pulse fiber laser at 1935 nm using a bulk-structured Bi2Te3 topological insulator," Opt. Express, Vol. 22, No. 7, 7865-7874, Apr. 2014.

[124] J. Koo, Y.-W. Song and J. H. Lee, "A carbon nanotube-embedded fiber-optic tunable coupler for flexible repetition rate control of a passively Q-switched fiber laser," Laser Phys., Vol. 24, No. 4, 045105, Mar. 2014.

[123] J. Lee, J. Koo, Y.-M. Jhon and J. H. Lee, "A femtosecond pulse erbium fiber laser incorporating a saturable absorber based on bulk-structured Bi2Te3 topological insulator," Opt. Express, Vol. 22, No. 5, 6165-6173, Mar. 2014.

[122] M. Jung and J. H. Lee, "Mode-locked thulium-bismuth codoped fiber laser using graphene saturable absorber in ring cavity: comment," Appl. Opt., Vol. 53, No. 4, 553-554, Feb. 2014.


 2013 


[121] M. Jung, M. Melkumov, V. F. Khopin, E. M. Dianov, J. Y. Kim and J. H. Lee, “Self-Q-switching of a bismuth-doped germanosilicate fiber laser operating at 1.46 um,"   Laser Phys. Lett. 10 (2013) 125104 (4pp).

[120] W. J. Kim, P. Debnath, J. Lee, J. H. Lee, D. S. Lim and Y.-W. Song, “Transfer-free synthesis of multilayer graphene using a single-step process in an evaporator and formation confirmation by laser mode-locking,"   Nanotechnology 24 (2013) 365603 (7pp)

[119] M. Jung, J. Koo, J. Park, Y-W. Song, Y. M. Jhon, K. Lee, S. Lee, J. H. Lee, “Mode-locked pulse generation from an allfiberized, Tm-Ho-codoped fiber laser incorporating a graphene oxide-deposited sidepolished fiber,"   Opt. Express, vol.21, no.17, Aug. 2013.

[118] J. Koo, J. H. Lee, “Passive Q-switching of a fiber laser using a side-polished birefringent fiber with index matching gel spread on the flat side,"   Appl. Phys. B (2013) 112:pp.61-65

[117] J. Lee, J. H. Lee, “Experimental investigation of the cavity modulation frequency detuning effect in an active harmonically mode-locked fiber laser,"  Vol. 30, No. 6 / June 2013 / J. Opt. Soc. Am. B

[116] J. Lee, J. Koo, P. Debnath, Y-W. Song, J. H. Lee, “A Q-switched, mode-locked fiber laser using a graphene oxide-based polarization sensitive saturable absorber,"  Laser Phys. Lett. 10 (2013) 035103

[115] M. Jung, J. H. Lee, “Actively  Q-switched, thulium-holmium-codoped fiber laser incorporating a silicon-based, fiber laser incorporating a silicon based, variable-optical-attenuator-based Q switch,"  Appl. Optics Vol. 52, No. 12, April 2013


 2012 


[114] M. Jung, J. Koo, P. Debnath, Y.-W. Song, J. H. Lee, “A Mode-Locked 1.91um Fiber Laser Based on Interaction between Graphene Oxide and Evanescent Field,"  Appl. Phys. Express 5(2012) 112702

[113] M. Jung, J. Koo, Y. M. Chang, P. Debnath, Y.-W. Song, and J. H. Lee, “An all fiberized, 1.89-mm Q-switched laser employing carbon nanotube evanescent field interaction,” Laser Phys. Lett, Vol. 9, pp.669-673,  2012

[112] Y. M. Chang, J. Lee, Y. M. Jhon, and J. H. Lee, “Q-switched Mode-locking of an Erbium-doped Fiber Laser using Cavity Modulation Frequency Detuning,” Appl. Optics, Vol. 51 Issue 21, pp.5295-5301, 2012

[111] Y. M. Chang, J. Lee, and J. H. Lee, “Active mode-locking of an erbium-doped fiber laser using an ultrafast silicon-based variable optical attenuator,” Japanese Journal of Applied Physics, vol. 51, p.072701, July 2012

[110] W.-J. Kim, Y. M. Chang, J. Lee, D. Kang, J. H. Lee, and Y.-W. Song, “Ultrafast optical nonlinearity of multi-layered graphene synthesized by interface growth process,” Nanotechnology, vol.23, p.225706, June 2012

[109] J. Lee, K. Koo, Y. M. Chang, P. Debnath, Y.-W. Song, and J. H. Lee “Experimental Investigation on a Q-switched, Mode-locked Fiber Laser Based on the Combination of Active Mode-locking and Passive Q-switching,” J. Opt. Soc. Am. B, vol.29, no.6, pp.1479-1485, June 2012..

[108]  E. J. Jung, J. H. Lee, B. S. Rho, M. J. Kim, S. H. Hwang, W.-J. Lee, J.-J. Song, M. Y. Jeong, and C.-S. Kim, “Spectrally-sampled OCT imaging based on 1.7 mm continuous-wave supercontinuum source,” J. Sel. Quantum Electron., vol.18, no.3, pp.1200-1208, May/June 2012.

[107] A.-L. Yi, L.-S. Yan, B. Luo, W. Pan, J. Ye, Z.-Y. Chen, and J. H. Lee, “Simultaneous all-optical RZ-to-NRZ format conversion for two tributaries in PDM signal using a single section of highly nonlinear fiber,” Opt. Express, vol.20, no.9, pp.9890-9896, Apr. 2012.

[106]  Y. M. Chang and J. H. Lee, “Bismuth Nonlinear Optical Fiber for Photonic Ultra-wideband  Radio Signal Processing,” J. Sel. Quantum Electron., vol.18, no.2, pp.891-898, Mar. 2012.

[105] M. Jung, Y. M. Chang, and J. H. Lee, “A Band-separated, Bidirectional Amplifier Based on Erbium-doped Bismuth Fiber for Long-reach Hybrid DWDM-TDM Passive Optical Networks,” J. Opt. Com. Netw., vol.4, no.3, Mar. 2012.

[104] J. H. Huh, Y. M. Chang, and J. H. Lee, “Performance Comparison of Raman/EDFA Hybrid Amplification-based Long Distance Fiber Bragg Grating Sensor Systems,” Appl. Opt., vol.51, no.1, pp.329-334, Jan. 2012.


 2011 


[103] Y. M. Chang, J. Lee, and J. H. Lee, “Active Q-switching in an erbium-doped fiber laser using an ultrafast silicon-based variable optical attenuator,” Opt. Express, vol. 19, no.27, Dec. 2011.

[102] Y. M. Chang, J. Lee, and J. H. Lee, “A Q-switched, mode-locked fiber laser employing subharmonic cavity modulation,” Opt. Express, vol.19, no.27, pp.26627-26633, Dec. 2011.

[101] J. Lee, Y. M. Chang, and J. H. Lee, “All-optical pulse shaping for ultrawideband doublet pulses using nonlinear optical loop mirror with optical parametric amplification,” Opt. Lett., vol.36, no.21,pp.4227-4229, Nov. 2011.

[100] M. Jung, Y. M. Chang, Y. M. Jhon, and J. H. Lee, “The Combined Effect of Pump Excited Absorption and Pair-Induced Quenching on the Gain and Noise Figure in Bismuth Oxide-based Er3+-doped Fiber Amplifiers,” J. Opt. Soc. Am. B, vol.28, no.11, pp.2667-2673, Nov. 2011.

[99]   H. D. Lee, J. H. Lee, M. Y. Jeong, and C.-S. Kim, “Characterization of wavelength-swept active mode locking fiber laser based on reflective semiconductor optical amplifier,” Opt. Exp. vol. 19, no. 15, pp.14586~14593, Jul. 2011.

[98]   Y. M. Chang, J. Lee, H.-S. Lee, L. Yan, and J. H. Lee, “Generation and Distribution of 1.25 Gbit/s Ultra-wideband Doublet Pulses based on the Combination ofNonlinear Polarization Rotation and Parametric Amplification,” J. Lightwave Technol., vol.29, no.6, pp.931-938, Mar 2011.

[97]   Y. M. Chang, W.-J. Jeong, K. Lee, and J. H. Lee, “Performance Limitation of Chirped-Fiber-Bragg-Grating-Based Photonic Microwave Notch Filter Due to Group Delay and Reflectivity Ripples,” Opt. Comm., vo.284, pp.952-956, Feb. 2011.

[96]   Y. M. Chang, J. Lee, and J. H. Lee, “Bipolar Tap Photonic Microwave Notch Filter Using Electroabsorption Modulator-Integrated Distributed Feedback Laser Diodes in a Parallel Configuration,” Appl. Opt., vol.50, no.3, pp.329-334, Jan 2011.


 2010 


[95]   M. Jung, J. H. Shin, and J. H. Lee, “A Theoretical and Experimental Investigation into Pair-Induced Quenching in Bismuth Oxide-Based Erbium-Doped Fiber Amplifiers,” J. Opt. Soc. Korea, vol.14, no.4, pp.298-304, Dec. 2010.

[94]   J.-H. Park, W.-K. Kim, W.-J. Jeong, M.-G. Song, H.-H. Kim, K.-H. Koo, Y.-L. Lee, Y. Kim, J. H. Lee, W.-S. Yang, and H.-Y. Lee “Continuous control of spatial mode rotation using second harmonic generation,” Appl. Phy. Lett., vol. 97, 191113, Nov. 2010.

[93]   Y. M. Chang, H. Kim, J. H. Lee, and Y.-W. Song, “Multilayered Graphene Efficiently Formed by Mechanical Exfoliation for Ultrafast Photonics,” Appl. Phy. Lett., 97, Sep. 2010.

[92]   Y. M. Chang, J. Lee, and J. H. Lee “Ultra-wideband Doublet Pulse Generation Based on Nonlinear Polarization Rotation of an Elliptically Polarized Beam and Its Distribution over a Fiber/Wireless Link,” Opt. Exp., vol.18, no.,19, pp.20072-20085, Sep. 2010.

[91]   Y. M. Chang, J. Lee, D. Koh, H. Chung, and J. H. Lee “Ultra-wideband Doublet Pulse Generation Based on Semiconductor Electroabsorption Modulator and Its Distribution over a Fiber/Wireless Link,” J. Opt. Comm. Netw., vo.2, no.8, pp.600-608, Aug. 2010.

[90]   J. H. Shin and J. H. Lee, “Investigation of signal excited-state absorption in bismuth-based erbium-doped fiber amplifier,” J. Opt. Soc. Amer. B., vol.27, no.7, pp.1452-1457, Jul. 2010.

[89]   J. H. Lee, E. J. Jung, C. S. Kim, “Optical Coherence Tomography Based on a Continuous-wave Supercontinuum Seeded by Erbium-doped Fiber’s Amplified Spontaneous Emission,” J. Opt. Soc. Korea, Vo.14, no.1, pp.49 ~ 54, Mar 2010.

[88]   K. Lee, C. H. Kim, J. H. Lee, Y.-G. Han, and S. B. Lee, “Noise Reduction in Multiwavelength SOA-based Ring Laser by Coupled Dual Cavities for WDM Applications,” J. Lightwave Technol., vol.28, no.5, pp.739~745, March 2010.

[87]    Y. M. Chang and J. H. Lee, “Microwave frequency measurement using a finite impulse response system that incorporates Lorentzian profile-weighted optical taps,” Measurement Sci. & Technol., vol.21, no.1, pp. 015303-1 ~ -6, Jan. 2010.


 2009 


[86]   J. H. Lee, K. Y. Song, H. J. Yoon, J. S. Kim, T. Hasegawa, T. Nagashima, S. Ohara, and N. Sugimoto, "Brillouin gain-coefficient measurement for bismuth-oxide-based photonic crystal fiber under significant beam reflection at splicing points," Opt. Lett. vol.34, no.17, pp.2670-2672, Sep 2009.

[85]   K. Lee, J. H. Lee, and S. B. Lee, “Tunable photonic microwave notch filter using SOA-based single-longitudinal mode, dual wavelength laser,” Opt. Exp., vol.17, no.15, pp.13216-13221, Jul. 2009.

[84]   S. Kim, K. Lee, J. H. Lee, J.-M. Jeong, and S. B. Lee, “Temperature-Insensitive Fiber Bragg Grating-Based Bending Sensor Using Radio-Frequency-Modulated Reflective Semiconductor Optical Amplifier,” Japanese Journal of Applied Physics, vol.48, no.6 p.062402-1~062402-3, June 2009

[83]   J. H. Lee, K. Lee, S. B. Lee, and C. H. Kim, "Extended-Reach WDM-PON Based on CW Supercontinuum Light Source for Colorless FP-LD based OLT and RSOA-based ONUs," Optical Fiber Technology, vol.15, no.3, pp.310-319, June 2009.

[82]   Y. M. Chang and J. H. Lee, “Frequency Tunable, Single Passband, Photonic Microwave Transversal Filter Incorporating Differential Group Delay Device-Based Comb Filter,” Japanese Journal of Applied Physics, vol.48, no.1 p.012501-1~012501-4, Jan 2009


 2008 


[81]   Y. M. Chang, and J. H. Lee, “High-Q, tunable, photonic microwave single passband filter based on stimulated Brillouin scattering and fiber Bragg grating filtering,” Opt. Comm., Vol.281, no.20, pp.5146-5150, Oct. 2008.

[80]   U.-C. Ryu, Y. M. Chang, and J. H. Lee, “Single Passband, Discretely Tunable, Photonic Microwave Bandpass Filter Based on Highly Birefringent Fiber-Based Comb Filter,” Jpn. J. Appl. Phys., Vol.47, no.10, pp. 7915-7919, Oct. 2008.

[79]   J. H. Lee and Y. M. Chang, “Detailed Theoretical and Experimental Study on Single Passband, Photonic Microwave FIR Filter Using Digital Micromirror Device and Continuous-Wave Supercontinuum,” J. Lightwave Technol., vol.26, no.15, pp. 2619-2628, Aug. 2008.


 2007 


[78]   Y.-M. Chang, H. Chung, and J. H. Lee, “High Q microwave filter using incoherent, continuous wave supercontinuum and dispersion profiled fiber,” IEEE Photon. Technol. Lett., vol.19, no.24, pp.2042-2044, 2007.

[77]   C. H. Kim, J. H. Lee, and K. Lee, “Analysis of maximum reach in WDM PON architecture based on distributed Raman amplification and pump recycling technique,” Opt. Exp., vol.15, no.22, pp.14942-14947, Oct. 2007

[76]   K. Lee, C. H. Kim, J. H. Lee, Y.-G. Han, S.-G. Mun, C.-H. Lee, and S. B. Lee, “Adjacent crosstalk suppression in a colorless WDM passive optical network,” Opt. Exp., vol.15, no.22, pp.14306-14312, Oct. 2007.

[75]   J. H. Lee, K. Lee, Y.-G. Han, S. B. Lee, and C. H. Kim, “Single, Depolarized, CW Supercontinuum-Based Wavelength Division Multiplexed Passive Optical Network Architecture with C-band OLT, L-band ONU, and U-band Monitoring,” J. Lightwave Technol., vol.26, no.10, pp.2891-2897, Oct. 2007.

[74]   J. H. Lee and Y.-G. Han, “Novel dispersion properties of photonic crystal fiber,” Jpn. Jnl. Appl. Phys., vol.46, no.8B, pp.5408-5413, August 2007 (Invited Paper).

[73]   Y.-G. Han, J. H. Lee, S. B. Lee, L. Poti, and A. Bogoni, “Novel multiwavelength erbium-doped fiber and Raman fiber ring lasers with continuous wavelength spacing tenability at room temperature,” J. Lightwave Technol., vol.25, no.8, pp.2219-2225, Aug. 2007.

[72]   J. H. Lee, Y.-M. Chang, Y.-G. Han, S. B. Lee, and H. Chung, “Fully reconfigurable photonic microwave transversal filter based on digital micromirror device and continuous wave, incoherent supercontinuum source,” Appl. Opt., vol.46, no.22, pp.5158-5167, Aug. 2007.

[71]   Y.-G. Han, S. Song, G. H. Kim, K. Lee, S. B. Lee, J. H. Lee, C. H. Jeong, C. H. Oh, and H. J. Kang, “Simultaneous independent measurement of strain and temperature based on long period fiber gratings inscribed in holey fibers depending on air-hole size,” Opt. Lett., vol.32, no.12, pp.2245-2247, Aug. 2007.

[70]   Y.-G. Han and J. H. Lee, “Multiple element photonic microwave true time delay beamforming incorporating a tunable chirped fiber Bragg grating with symmetrically bending technique,” Opt. Lett., vol.32, no.12, pp.1704-1706, June 2007.

[69]   Y.-G. Han and J. H. Lee, “Switchable dual wavelength erbium-doped fiber laser at room temperature,” Microwave. Opt. Technol. Lett., vol.49, no.6, pp.1433-1435, June 2007.

[68]   C. H. Kim, E. S. Son, H.-S. Cho, Y.-G. Han, J. H. Lee, and S. B. Lee, “Experimental study on the effect of codirectional Raman gain on system’s performance,” Opt. Exp., vol.15, no.10, pp.6146-6151, May 2007.

[67]   Y.-G. Han, F. Fresi, L. Poti, J. H. Lee, and X. Dong, “Continuously spacing-tunable multiwavelength semiconductor-optical-amplifier-based fiber ring laser incorporating a superimposed chirped fiber Bragg grating,” Opt. Lett., vol.32, no.9, pp.1032-1034, May 2007.

[66]   K. Lee, S. B. Lee, J. H. Lee, Y.-G. Han, S.-G. Mun, S.-M. Lee, and C.-H. Lee, “A self-restorable architecture for bidirectional wavelength-division-multiplexed passive optical network with colorless ONUs,” Opt. Exp. vol.15, no.8, pp.4863-4868, April 2007.

[65]   Y.-G. Han, X. Dong, C. S. Kim, M. Y. Jeong, and J. H. Lee, “Flexible all fiber Fabry-Perot filters based on superimposed chirped fiber Bragg gratings with continuous FSR tunability and its application to a multiwavelength fiber laser,” Opt. Exp., vol.15, no.6, pp.2921-2926, March 2007.

[64]   Y.-G. Han, Y. J. Lee, G. H. Kim, H. S. Cho, J. H. Lee, and S. B. Lee, “Cladding mode coupling suppression in hole-assisted fiber Bragg grating,” Microwave. Opt. Technol. Lett., vol.49, no.1, pp.74-76, Jan 2007.


 2006 


[63]   Y.-G. Han, X. Dong, J. H. Lee, and S. B. Lee, “Wavelength spacing tunable multichannel filter incorporating a sampled chirped fiber Bragg grating based on symmetrical chirp tuning technique without center wavelength shift,” Opt. Lett., vol.31, no.24, pp.3571-3573, Dec 2006.

[62]   J. H. Lee, C. H. Kim, Y.-G. Han, and S. B. Lee, “Distributed Raman Amplification Based Bidirectional WDM-PON Using Spectrum Sliced ASE Upstream Source Pumped by Residual Raman Pump,” Opt. Exp., vol.14, no.20, pp.9036-9041, Oct 2006.

[61]   Y.-G. Han, X. Dong, J. H. Lee, and S. B. Lee, “Simultaneous measurement of bending and temperature based on a single sampled chirped fiber Bragg grating embedded on a flexible cantilever beam,” Opt. Lett., vol.31, no.19, pp.2839-2841, Oct 2006.

[60]   J. H. Lee, C. H. Kim, Y.-G. Han, and S. B. Lee, “WDM PON Upstream Transmission at 1.25 Gbit/s Using Fabry-Perot Laser Diodes Injected by Spectrum-Sliced, Depolarized, CW Supercontinuum Source,” IEEE Photon. Technol. Lett., vol.18, no.20, pp.2108-2110, Oct 2006.

[59]   J. H. Lee, K. Katoh, and K. Kikuchi, “Experimental Investigation of Continuous-Wave Supercontinuum Ring Laser Composed of Clad-pumped Er/Yb Codoped Fiber and Highly-Nonlinear Optical Fiber,” Opt. Comm. vol.266, pp.681-685, Oct 2006.

[58]   J. H. Lee, Y. M. Chang, Y.-G. Han, H. Chung, and S. B. Lee, “Flexibly Tunable Microwave Photonic FIR Filter Incorporating Wavelength Spacing Programmable, Arrayed Micro-Mirror Based Optical Filter,” Electron. Lett., vol.41, no.14, pp.812-813, July 2006.

[57]   Y.-G. Han, J. H. Lee, and S. B. Lee, “Continuously tunable photonic microwave true-time delay based on a tunable chirped fiber Bragg grating,” Electron. Lett., vol.41, no.14, pp.811-812, July 2006.

[56]  J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, Y.-G. Han, S. B. Lee, and K. Kikuchi, “Output Performance Investigation of Self-Phase Modulation Based 2R Regenerator Using Bismuth Oxide Nonlinear Fiber,” IEEE Photon. Technol. Lett., vol.18, no.12, pp.1296-1298, June 2006.

[55]   J. H. Lee, C. H. Kim, Y.-G. Han, and S. B. Lee, “Broadband, high power, erbium fibre ASE-based CW supercontinuum source for spectrum-sliced WDM PON applications,” Electron. Lett., vol.42, no.9, pp.67-68, April 2006.

[54]   J. H. Lee, Y.-G. Han, S. B. Lee, “Experimental Study on Seed Light Source Coherence Dependence of Continuous-Wave Supercontinuum Performance,” Opt. Express, vol.14, no.8, pp.3443-3452, April 2006.

[53]   J. H. Lee, C. H. Kim, Y.-G. Han, S. B. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Bismuth Nonlinear Fibre Based Optical Phase Conjugator without SBS-Induced Efficiency Limitation and Its Application to Dispersion Compensation in a Transmission Link,” Electron. Lett., vol.42, no.5, pp.298-299, March 2006.

[52]   T. Tanemura, J. H. Lee, D. Wang, K. Katoh, and K. Kikuchi, “Polarization-insensitive 160-Gb/s wavelength converter with all-optical repolarizing function using circular-birefringence highly nonlinear fiber,” Opt. Express, vol.14, no.4, pp.1408-1412, February 2006.

[51]   J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Wideband Tunable Wavelength Conversion of 10-Gbit/s Non-Return-to-Zero Signal Using Cross Phase Modulation-induced Polarization Rotation in 1-m Bismuth Oxide-based Nonlinear Optical Fiber,” IEEE Photon. Technol. Lett., vol.18, no.1, pp.298-300, January 2006.

[50]   J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Bismuth oxide-based nonlinear fiber with a high SBS threshold and its application to four-wave mixing wavelength conversion of 40-Gbit/s NRZ signal using pure continuous-wave pump,” J. Lightwave Technol., vol.24, no.1, pp.22-28, January 2006.


 2005 


[49]   J. H. Lee, S. Ohara, T. Nagashima, T. Hasegawa, N. Sugimoto, K. Igarashi, K. Katoh, and K. Kikuchi, “Clock Recovery and Demultiplexing of High-Speed OTDM Signal through Combined Use of Bismuth Oxide Nonlinear Fiber and Erbium-Doped Bismuth Oxide Fiber,” IEEE Photonics Technology Letters, vol.17, no.12, pp.2658-2660, December 2005.

[48]   J. H. Lee, Y. G. Han, Y. M. Chang, H. Chung, S. H. Kim, and S. B. Lee, “A Detailed Experimental Study on Single Pump, Raman/EDFA Hybrid Amplifiers: Static, Dynamic, and System Performance Comparison,” J. Lightwave Technol., vol.23, no.11, pp.3484-3493, November 2005.

[47]   Y. G. Han, G. Kim, J. H. Lee, and S. B. Lee, “Wavelength spacing tunable multiwavelength laser with lasing wavelength selectivity,” Optics Communications, vol.256, pp.98-102, December 2005.

[46]   J. H. Lee, Y. Takushima, and K. Kikuchi, “Continuous-Wave Supercontinuum Generation from a Ring-Cavity Laser Composed of Erbium-Doped Fiber and Highly-Nonlinear Optical Fiber,” Opt. Letters, vol.30, no.19, pp.2599-2602, October 2005.

[45]   J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Bismuth Oxide Nonlinear Fibre Based 80-Gbit/s Wavelength Conversion and Demultiplexing Using the Cross Phase Modulation and Filtering Scheme”, Electronics Letters., vo.41, no.22, pp.1237-1238, October 2005.

[44]   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,” Opt. Express, vol.13, no.18, pp.6864-6869, September 2005.

[43]   J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Wavelength Conversion of 160 Gbit/s OTDM Signal Using 1-m-long Bismuth Oxide-based Highly-Nonlinear Fiber in the Kerr Shutter Configuration,” Electronics Lett., vol.41, no.16, pp.918-919, September 2005.

[42]   J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “40-Gbit/s XOR and AND Gates Using Polarisation Switching within 1-m-long Bismuth Oxide-based Nonlinear Fibre,” Electronics Lett., vol. 41, no.19, pp.1074-1075, August 2005.

[41]   J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Four-Wave Mixing Based Wavelength Conversion of 40-Gbit/s Non-Return-to-Zero Signal Using 40-cm Bismuth Nonlinear Optical Fiber,” IEEE Photon. Technol. Lett, vol.17, no.7, pp.1474-1476, July 2005.

[40]   J. H. Lee, T. Tanemura, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Experimental Comparison of Kerr Nonlinearity Figure-of-Merit Including Stimulated Brillouin Scattering Threshold for State-of-the-Art Nonlinear Optical Fibers,” Opt. Letters, vol.30, no.13, pp.1698-1700, July 2005.

[39]   J. H. Lee, T. Tanemura, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Use of 1-m Bi2O3 Nonlinear Fiber for 160-Gbit/s Optical-Time Division Demultiplexing Based on Polarization Rotation and Wavelength Shift Induced by Cross-Phase Modulation,” Opt. Letters, vol.30, no.11, pp.1267-1269, June 2005.

[38]   J. H. Lee and K. Kikuchi, “Experimental performance comparison for various continuous-wave supercontinuum schemes: ring cavity and single pass structures,” Opt. Express, vol.13, no.13, pp.4848-4853, June 2005.

[37]   Y.-G. Han, G. Kim, J. H. Lee, S. H. Kim, and S. B. Lee, “Lasing wavelength and spacing tunable multiwavelength fiber laser from 1510 to 1620nm,” IEEE Photon. Technol. Lett, vol.17, no.5, pp.989-991, May 2005.

[36]   J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “All-fiber based 80-Gbit/s wavelength converter using 1-m long Bismuth nonlinear optical fiber with a nonlinearity g of 1100 W-1.km-1,” Opt. Express, vol.13, no.8, pp.3144-3149, April 2005.

[35]  J. H. Lee, T. Tanemura, Y. Takushima and K. Kikuchi, “All-Optical 80 Gbit/s Add-Drop Multiplexer Using Fiber-based Nonlinear Optical Loop Mirror,”IEEE Photon. Technol. Lett, vol.17, no.4, pp.840-842, April 2005.

[34]   J. H. Lee, Y. M. Chang, Y. G. Han, S. H. Kim, H. Chung, and S. B. Lee, “Performance Comparison of Various Configurations of Single Pump, Dispersion Compensating Raman/EDFA Amplifiers,” IEEE Photon. Technol. Lett., vol.17, no.4, pp.765-767, April 2005.

[33]   V. Tran, Y. G. Han, J. H. Lee, S. H. Kim, and S. B. Lee, “Effects of Fiber Cladding Diameter on Cladding Mode Coupling in Fiber Bragg Gratings,” Japanese J. Appl. Phys., vol.44, no.3, pp.1278-1281, March 2005.

[32]   R. Llorente, J. H. Lee, R. Clavero, M. Ibsen, and J. Marti, “Orthogonal Wavelength-Division-Multiplexing Technique Feasibility Evaluation,” J. Lightwave Technol., vol.23, no.3, pp.1145-1151, March 2005.

[31]   J. H. Lee, “All-optical signal processing devices based on holey fibers,” IEICE transactions on Electronics, vol.E88-C, no.3, pp.327-334, March 2005 (Invited paper).

[30]   K. Furusawa, T. Kogure, J. K. Sahu, J. H. Lee, T. M. Monro, and D. J. Richardson, “Efficient Low-Threshold Lasers Based on an Erbium-Doped Holey Fiber,” IEEE Photon. Technol. Lett., vol.17, no.1 pp.25-27, January 2005.

[29]   J. H. Lee, Y. G. Han, Y. M. Chang, S. H. Kim, and S. B. Lee, “Dispersion-compensating Raman/EDFA Hybrid Amplifier Recycling Residual Raman Pump for Efficiency Enhancement,” IEEE Photon. Technol. Lett., vol.17, no.1, pp.43-45, January 2005.

[28]   J. H. Lee, Y. M. Chang, Y. G. Han, S. H. Kim, H. Chung, and S. B. Lee, “Wavelength and Repetition Rate Tunable Optical Pulse Source using a Chirped Fiber Bragg Grating and a Nonlinear Optical Loop Mirror,” IEEE Photon. Technol. Lett., vol.17, no.1, pp.34-36, January 2005.


 2004 


[27]   J. H. Lee, Y. G. Han, Y. M. Chang, H. Chung, S. H. Kim, and S. B. Lee, “Dynamic properties of all-optical gain-clamped Raman/EDFA hybrid amplifier recycling residual Raman pump,” Opt. Express, vol.12, no.26, pp.6594-6599, December 2004.

[26]   Y. G. Han, J. H. Lee, S. H. Kim, and S. B. Lee, “Tunable multi-wavelength Raman Fibre Laser based on fibre Bragg grating cavity with PMF Lyot-Sagnac filter,” Electronics Lett., vol. 40, no. 23, pp. 1475 ? 1476, November 2004.

[25]   J. H. Lee, Y. G. Han, Y. M. Chang, and S. B. Lee, “Raman amplifier based long-distance, remote FBG strain sensor with a EDF broadband source recycling residual Raman pump,” Electronics Lett., vol.40, no.18, pp.1106-1107, Septemeber 2004.

[24]   J. H. Lee, Y. M. Chang, Y. G. Han, S. H. Kim, and S. B. Lee, “2~5 times tunable repetition rate multiplication of a 10 GHz pulse source using a linearly tunable, chirped fiber Bragg grating,” Opt. Express, vol.12, no.17, pp.3900-3905, August 2004.

[23]   J. H. Lee, Y. M. Chang, Y. G. Han, H. Chung, S. H. Kim, and S. B. Lee, “Raman amplifier based long-distance remote, strain and temperature sensing system using an erbium-doped fiber and a fiber grating,” Opt. Express, vol.12, no.15, pp.3515-3520, July 2004.

[22]   Y. G. Han, J. H. Lee, S. B. Lee, and Y. Chung, “Discrimination of bending and temperature sensitivities with phase-shifted long-period fiber gratings depending on initial coupling strength,” Opt. Express, vol.12, no.14, pp.3204-3209, July 2004.

[21]   J. H. Lee, Y. G. Han, S. B. Lee, T. Kogure, and D. J. Richardson, “40 GHz adiabatic compression of a modulator based dual frequency beat signal using Raman amplification in dispersion decreasing fiber,” Opt. Express, vol.12, no.10, pp.2187-2192. May 2004.

[20]   J. H. Lee, J. Kim, Y. G. Han, S. H. Kim, and S. B. Lee, “Investigation of Raman fiber laser temperature probe incorporating fiber Bragg gratings for long-distance remote sensing Applications,” Opt. Express, vol.12, no.8, pp.1747-1752, April 2004.

[19]   T. Kogure, J. H. Lee, and D. J. Richardson, “Wavelength tunable 10 GHz, ~1 ps pulse source using dispersion decreasing fiber based Raman amplification,” IEEE Photon. Technol. Lett., vol.16, pp.1167-1169 April 2004

[18]   J. H. Lee, T. Kogure, and D. J. Richardson, “Wavelength tunable 10 GHz, 3 ps pulse source using a dispersion decreasing fiber,” J. Sel. Topics Quantum Electron. Vol.10, no.1, pp.181-185, January/February 2004


 2003 


[17]   J. H. Lee, L.K. Oxenløwe, M. Ibsen, K.S. Berg, A.T. Clausen, D.J. Richardson, and P. Jeppesen, “All-optical TDM data demultiplexing at 80 Gbit/s with significant timing jitter tolerance using a fiber Bragg grating based rectangular pulse switching technology,” J. Ligthwave Technol., vol.21, no.11, pp.2518 ? 2523, November 2003.

[16]   J. H. Lee, Z. Yusoff, W. Belardi, M. Ibsen, T. M. Monro, and D. J. Richardson, “A Tuneable WDM Wavelength Converter Based on Cross Phase Modulation effects in Holey Fiber,” IEEE Photon. Technol. Lett., vol.15, pp.437-439, March 2003.

[15]   J. H. Lee, W. Belardi, K. Furusawa, P. Petropoulos, Z. Yusoff, T. M. Monro, and D. J. Richardson, “Four-Wave Mixing Based, 10Gbit/s Tuneable Wavelength Conversion Using a Holey Fiber with a High SBS Threshold,” IEEE Photon. Technol. Lett., vol.15, pp.440-442, March 2003.


 2002 


[14]   J. H. Lee, P. C. Teh, Z. Yusoff, M. Ibsen, W. Belardi, T. M. Monro, and D. J. Richardson, “A holey fiber based nonlinear thresholding device for optical CDMA receiver performance enhancement,” IEEE Photon. Technol. Lett., vol.14, no.6, pp.876-878, June 2002.

[13]   J. H. Lee, Z. Yusoff, W. Belardi, M. Ibsen , T. M. Monro, and D. J. Richardson, “Investigation of Brillouin effects in small core holey optical fiber: lasing and scattering,” Optics Lett., vol.27, no.11, pp.927-929, June 2002.

[12]   Z. Yusoff, J.H. Lee, W. Belardi, T.M. Monro, P.C. Teh, and D.J. Richardson, “Raman effects in a highly nonlinear holey fiber: amplification and modulation,” Optics Lett., vol.27, no.6, pp.424-426, March 2002.

[11]   J. H. Lee, P. C. Teh, P. Petropoulos, M. Ibsen and D. J. Richardson, “All-optical modulation and demultiplexing systems with significant timing jitter tolerance through incorporation of pulse-shaping fiber Bragg gratings,” IEEE Photon. Technol. Lett., vol.14, no.2, pp.203-205, February 2002.

[10]   P. C. Teh, M. Ibsen, J. H. Lee, P. Petropoulos, and D. J. Richardson, “Demonstration of a four-channel WDM/OCDMA system using 255-chip 320-Gchip/s quaternary phase coding gratings,” IEEE Photon. Technol. Lett., vol.14, no.2, pp.227-229, February 2002.

[9]   J. H. Lee, P. C. Teh, P. Petropoulos, M. Ibsen and D. J. Richardson, “A grating based OCDMA coding:decoding system incorporating a nonlinear optical loop mirror for improved code recognition and noise reduction,” J. Lightwave Technol., vol.20, no.1, pp.36-46, January 2002.


 2001 


[8]   P. Petropoulos, T. M. Monro, W. Belardi, K. Furusawa, J. H. Lee, and D. J. Richardson, “A 2R-regenerative all-optical switch based on a highly nonlinear fiber”, Optics Lett., vol. 26, no.16, pp.1233-1235, August 2001.

[7]   J. H. Lee, P. C. Teh, P. Petropoulos, M. Ibsen and D. J. Richardson, “Reduction of interchannel interference noise in a two-channel, grating based OCDMA system using a nonlinear optical loop mirror,” IEEE Photon. Technol. Lett, vol.13, no.5, pp.529-531, May 2001.


 2000 



 1999 


[6]   J. Jung, H. Nam, J. H. Lee, N. Park, and B. Lee, “Simultaneous measurement of strain and temperature using a single fiber Bragg grating and an erbium-doped fiber amplifier,” Applied Optics, vol. 38, no. 5, pp.2749-2751, May 1999.

[5]   J. H. Lee, U.-C. Ryu, and N. Park, “Passive EDF - seed photon generator for high power Er3+ doped fiber fluorescent source with 80nm bandwidth,” Optics Lett., vol. 24, no. 5, pp.279-281, March 1999.

[4]   J. H. Lee, U.-C. Ryu, and N. Park, “Enhancement of power conversion efficiency for an L-band EDFA with a secondary pumping effect in the unpumped EDF section,” IEEE Photon. Technol. Lett., vol.11, no.1, pp.42-44, January, 1999.


 1998 


[3]   J. H. Lee, W. J. Lee, and N. Park, “Comparative study on temperature dependent multi-channel gain and noise figure distortion for 1.48mm and 0.98mm pumped EDFAs,” IEEE Photon. Technol. Lett., vol.10, no.12, pp.1721-1723, December 1998.

[2]   J. H. Lee, N. Park, “Reduction of temperature dependent multi-channel gain distortion using a hybrid erbium doped fiber cascade,” IEEE Photon. Technnol. Lett., vol.10, no.8, pp.1168-1170, August 1998. 


 1997 


[1]   J. H. Lee, S. K. Si, Y. B. Moon, E. J. Yoon, and S. J. Kim, “Bandgap tuning of InGaAs/InP multi-quantum well structureby impurity-free vacancy diffusion using InGaAs cap layer and SiO2 dielectric capping,” Electron. Lett., vol.33, no.13, pp.1179-1181, June 1997.