All-optical signal up-conversion for radio-on-fiber applications using cross-gain modulation in semiconductor optical amplifiers YK Seo, CS Choi, WY Choi
IEEE Photonics Technology Letters 14 (10), 1448-1450, 2002
152 2002 Characterization of phototransistor internal gain in metamorphic high-electron-mobility transistors HS Kang, CS Choi, WY Choi, DH Kim, KS Seo
Applied physics letters 84 (19), 3780-3782, 2004
121 2004 IEEE Photonics Technol. Lett HK Choi, HS Kang, WY Choi, HJ Kim, WJ Choi, DH Kim, KC Jang, KS Seo
IEEE Photonics Technol. Lett 15, 1330-1332, 2003
112 2003 SOA-EAM frequency up/down-converters for 60-GHz bi-directional radio-on-fiber systems JH Seo, CS Choi, YS Kang, YD Chung, J Kim, WY Choi
IEEE Transactions on Microwave Theory and Techniques 54 (2), 959-966, 2006
107 2006 Si avalanche photodetectors fabricated in standard complementary metal-oxide-semiconductor process HS Kang, MJ Lee, WY Choi
Applied physics letters 90 (15), 2007
103 2007 A silicon avalanche photodetector fabricated with standard CMOS technology with over 1 THz gain-bandwidth product MJ Lee, WY Choi
Optics Express 18 (23), 24189-24194, 2010
90 2010 10-Gb/s 850-nm CMOS OEIC receiver with a silicon avalanche photodetector JS Youn, MJ Lee, KY Park, WY Choi
IEEE journal of quantum electronics 48 (2), 229-236, 2011
88 2011 Evolving affinity between Coulombic reversibility and hysteretic phase transformations in nano-structured silicon-based lithium-ion batteries K Ogata, S Jeon, DS Ko, IS Jung, JH Kim, K Ito, Y Kubo, K Takei, S Saito, ...
Nature communications 9 (1), 479, 2018
83 2018 Effects of guard-ring structures on the performance of silicon avalanche photodetectors fabricated with standard CMOS technology MJ Lee, H Rucker, WY Choi
IEEE Electron Device Letters 33 (1), 80-82, 2011
79 2011 A 0.4-V, 90 350-MHz PLL With an Active Loop-Filter Charge Pump JW Moon, KC Choi, WY Choi
IEEE Transactions on Circuits and Systems II: Express Briefs 61 (5), 319-323, 2014
60 2014 Phototransistors based on InP HEMTs and their applications to millimeter-wave radio-on-fiber systems CS Choi, HS Kang, WY Choi, DH Kim, KS Seo
IEEE transactions on microwave theory and techniques 53 (1), 256-263, 2005
59 2005 Area-dependent photodetection frequency response characterization of silicon avalanche photodetectors fabricated with standard CMOS technology MJ Lee, WY Choi
IEEE Transactions on Electron Devices 60 (3), 998-1004, 2013
56 2013 High optical responsivity of InAlAs-InGaAs metamorphic high-electron mobility transistor on GaAs substrate with composite channels CS Choi, HS Kang, WY Choi, HJ Kim, WJ Choi, DH Kim, KC Jang, KS Seo
IEEE Photonics Technology Letters 15 (6), 846-848, 2003
55 2003 Injection-locked hybrid optoelectronic oscillators for single-mode oscillation KH Lee, JY Kim, WY Choi
IEEE Photonics Technology Letters 20 (19), 1645-1647, 2008
53 2008 Equivalent circuit model for Si avalanche photodetectors fabricated in standard CMOS process MJ Lee, HS Kang, WY Choi
IEEE electron device letters 29 (10), 1115-1117, 2008
49 2008 Evaluation of coupling coefficients for laterally-coupled distributed feedback lasers WYCC Chen, CG Fonstad
Japanese journal of applied physics 35 (9R), 4654, 1996
49 1996 High-speed CMOS integrated optical receiver with an avalanche photodetector JS Youn, HS Kang, MJ Lee, KY Park, WY Choi
IEEE Photonics Technology Letters 21 (20), 1553-1555, 2009
48 2009 A 30-GHz self-injection-locked oscillator having a long optical delay line for phase-noise reduction KH Lee, JY Kim, WY Choi
IEEE Photonics Technology Letters 19 (24), 1982-1984, 2007
45 2007 60-GHz bidirectional radio-on-fiber links based on InP-InGaAs HPT optoelectronic mixers CS Choi, JH Seo, WY Choi, H Kamitsuna, M Ida, K Kurishima
ieee photonics technology letters 17 (12), 2721-2723, 2005
43 2005 Verilog-A behavioral model for resonance-modulated silicon micro-ring modulator J Rhim, Y Ban, BM Yu, JM Lee, WY Choi
Optics express 23 (7), 8762-8772, 2015
41 2015