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무제 문서     Journal    < International >

2023

Hyun-Kyu Kim, Kihun Kim, Min-Hyeok Seong, Yongjin Ji, and Woo-Young Choi

A Bias Controller for Si Mach-Zehnder Modulator

    IEEE Photonics Technology Letters, Vol. 35, No. 19, pp. 1027-1030, Oct. 2023

2023

Daehwan Ahn, Sunghan Jeon, Hoyoung Suh, Seungwan Woo, Rafael Jumar Chu, Daehwan Jung, Won Jun Choi, Donghee Park, Jin-Dong Song, Woo-Young Choi, and Jae-Hoon Han

High-responsivity InAs quantum well photo-FET integrated on Si substrates for extended-range short-wave infrared photodetector applications

    Photonics Research, Vol. 11, No. 8, pp.1465-1473, August. 2023

2023

Youngkwan Jo, Yongjin Ji, Minkyu Kim, Stefan Lischke, Christian Mai, Lars Zimmermann and Woo-Young Choi

Monte Carlo characterization of Si ring modulator PAM-4 eye diagram performance

    Japanese Journal of Applied Physics, Vol. 62, No. 6, pp.066502-1 - 8, June. 2023

2023

Hyun-Kyu Kim, Yongjin Ji, Kihun Kim and Woo-Young Choi

A Controller for Si MZI-based Spanke-Benes Optical Switch Fabric with Automatic Calibration Capability

    IEEE Photonics Journal, Vol. 15, Issue 3, Art. No. 6601606, Jun. 2023

2023

Won-Yong Ha, Eunsung Park, Doyoon Eom, Hyo-Sung Park, Daniel Chong, Shyue Seng Tan, Michelle Tng, Elgin Quek, Claudio Bruschini, Edoardo Charbon, Woo-Young Choi and Myung-Jae Lee

Single-Photon Avalanche Diode Fabricated in Standard 55 nm Bipolar-CMOS-DMOS Technology With Sub-20 V Breakdown Voltage

    Optics Express, Vol. 31, No. 9, pp.13798-13805, Apr. 2023

2023

Eunsung Park, Won-Yong Ha, Hyo-Sung Park, Doyoon Eom, Hyun-Seung Choi, Dae-Hwan Ahn, Woo-Young Choi, Myung-Jae Lee,

A Back-Illuminated SPAD Fabricated With 40 nm CMOS Image Sensor Technology Achieving Near 40% PDP at 940 nm

    IEEE Journal of Selected Topics in Quantum Electronics, Accepted

2022

Minuk Seung, Wooyoung Choi, Seop Hur, Inyong Kwon

Cold Junction Compensation Technique of Thermocouple Thermometer Using Radiation-Hardened-by-Design Voltage Reference for Harsh Radiation Environment

    IEEE Transactions on Instrumentation and Measurement, Vol. 71, pp. 2005807, Sep. 2022

2022

Jung-Tack Yang, Jung-Geun Kwak, An-Sik Choi, Tae-Kyung Kim, and Woo-Young Choi

Lateral Far-field Characteristics of Narrow-width 850 nm High Power GaAs/AlGaAs Laser Diodes

    Current Optics and Photonics, Vol. 6, No. 2, pp. 191–195, Apr. 2022

2022

Won-Yong Ha, Eunsung Park, Byungchoul Park, Youngcheol Chae, Woo-Young Choi and Myung-Jae Lee

Noise optimization of single-photon avalanche diodes fabricated in 110 nm CMOS image sensor technology

    Optics Express, Vol. 30, No. 9, pp.14958-14965, Apr. 2022

2021

Youngkwan Jo, Stefan Lischke, Christian Mai, Lars Zimmermann, and Woo-Young Choi

Modulation Linearity Characterization of Si Ring Modulators

    IEEE/OSA Journal of Lightwave Technology, Vol. 39, No. 24, pp.7842-7849, Dec. 2021

2021

Minkyu Kim, Youngkwan Jo, Stefan Lischke, Christian Mai, Lars Zimmermann, and Woo-Young Choi

A Temperature-Aware Large-signal SPICE Model for Depletion-type Silicon Ring Modulators

    IEEE Photonics Technology Letters, Vol. 33, No. 17, pp. 947-950, Sep. 2021

2021

Minkyu Kim, Min-Hyeong Kim, Youngkwan Jo, Hyun-Kyu Kim, Stefan Lischke, Christian Mai, Lars Zimmermann, and Woo-Young Choi

A Silicon Electronic-Photonic Integrated 25-Gb/s Ring Modulator Transmitter with a Built-in Temperature Controller

    Photonics Research, Vol. 9, No. 4, pp.507-513, Apr. 2021

2021

Hyun-Kyu Kim, Minkyu Kim, Min-Hyeong Kim, Youngkwan Jo, Stefan Lischke, Christian Mai, Lars Zimmermann and Woo-Young Choi

Si photonic-electronic monolithically integrated optical receiver with a built-in temperature-controlled wavelength filter

    Optics Express, Vol. 29, No. 6, pp.9565-9573, Mar. 2021

2021

Minkyu Kim, Dae-Hyun Kwon, Dae-Won Rho, and Woo-Young Choi

A Low-Power 28-Gb/s PAM-4 MZM Driver with Level Pre-distortion

    IEEE Transactions on Circuits and Systems II, Vol.68, No.3, pp.908-912, Mar. 2021

2020

Dae-Hyun Kwon, Minkyu Kim, Sung-Geun Kim, and Woo-Young Choi

A Low-Power 40-Gb/s Pre-Emphasis PAM-4 Transmitter with Toggling Serializers

    IEEE Transactions on Circuits and Systems II, Vol.67, No.3, pp.430-434, Mar. 2020

2019

Jung-Tack Yang, Younghyun Kim, Marzieh Pournoury, Jae-Bong Lee, Dong-Soo Bang, Tae-Kyung Kim, and Woo-Young Choi

Influence of Emitter Width on the Performance of 975-nm (In,Ga)(As,P)/(Al,Ga)As High-power Laser Diodes

    Current Optics and Photonics, Vol. 3, No. 5, pp. 445-450, Oct. 2019

2019

Minkyu Kim, Myungjin Shin, Min-Hyeong Kim, Byung-Min Yu, Younghyun Kim, Yoojin Ban, Stefan Lischke, Christian Mai, Lars Zimmermann, and Woo-Young Choi

A Large-signal SPICE Model for Depletion-type Silicon Ring Modulators

    Photonics Research, Vol. 7, No. 9, pp.948-954, Sep. 2019

2019

Younghyun Kim, Youngkwan Jo, Minkyu Kim, Byung-Min Yu, Christian Mai, Stefan Lischke, Lars Zimmermann, and Woo-Young Choi

Parametric Optimization of Depletion-type Si Micro-ring Modulator Performances

    Japanese Journal of Applied Physics, Vol. 58, No. 6, pp.062006-1 - 6, Jun. 2019

2019

Younghyun Kim, Jung-Tack Yang, Woo-Young Choi

High-power broad-area laser diode performance improvement with a double pedestal structure

    Japanese Journal of Applied Physics, Vol. 58, pp.042004-1 - 042004-6, March. 2019

2019

Dae-Hyun Kwon, Minkyu Kim, Sung-Geun Kim, and Woo-Young Choi

A 32-Gb/s PAM-4 Quarter-Rate Clock and Data Recovery Circuit with an Input Slew-rate Tolerant Selective Transition Detector

    IEEE Transactions on Circuits and Systems II, Vol. 66, No. 3, pp.362 - 366, Mar. 2019

2019

Min-Hyeong Kim, Lars Zimmermann, Woo-Young Choi

A Temperature Controller IC for Maximizing Si Micro-Ring Modulator Optical-Modulation-Amplitude

    IEEE/OSA Journal of Lightwave Technology, Vol. 37, No. 4, pp.1200-1206, Feb. 2019

2018

Myung-Jae Lee and Woo-Young Choi

Performance Optimization and Improvement of Silicon Avalanche Photodetectors in Standard CMOS Technology (Invited Paper)

    IEEE Journal of Selected Topics in Quantum Electronics, Vol. 24, No. 2, 3801013, Mar./Apr. 2018

2018

Byung-Min Yu, Jeong-Min Lee, Christian Mai, Stefan Lischke, Lars Zimmermann, and Woo-Young Choi

A Single-Chip Si Optical Single-Sideband Modulator

    Photonics Research, Vol. 6, No. 1, pp. 6-11, Jan. 2018

2017

Min-Hyeong Kim, Byung-Min Yu, and Woo-Young Choi

A Mach-Zehnder Modulator Bias Controller Based On OMA and Average Power Monitoring

    IEEE Photonics Technology Letters, Vol. 29, No. 23, pp. 2043-2046, Dec. 2017

2017

Jeong-Min Lee, Minkyu Kim, and Woo-Young Choi

Series Resistance Influence on Performance of Waveguide-Type Germanium Photodetectors on Silicon

    Chinese Optics Letters, Vol. 15, No. 10, 100401, Oct. 2017

2017

Hyun-Yong Jung, Jeong-Min Lee, Stefan Lischke, Dieter Knoll, Lars Zimmermann, and Woo-Young Choi

A 25-Gb/s Monolithic Optical Receiver with Improved Sensitivity and Energy Efficiency

    IEEE Photonics Technology Letters, Vol. 29, No. 17, pp. 1483-1485, Sep. 2017

2017

Byung-Min Yu, Myungjin Shin, Min-Hyeong Kim, Lars Zimmermann, and Woo-Young Choi

Influence of dynamic power dissipation on Si MRM modulation characteristics

    Chinese Optics Letters, vol.15, no.7, 071301, Jul. 2017

2017

Myungjin Shin, Yoojin Ban, Byung-Min Yu, Min-Hyeong Kim, Jinsoo Rhim, Lars Zimmermann, and Woo-Young Choi

A Linear Equivalent Circuit Model for Depletion-Type Silicon Microring Modulators

    IEEE Transactions on Electron Devices, Vol. 64, No. 3, pp.1140-1145, Mar. 2017

2016

Jeong-Min Lee, Seong-Ho Cho, and Woo-Young Choi

An Equivalent Circuit Model for a Ge Waveguide Photodetector on Si

    IEEE Photonics Technology Letters, Vol. 28, No. 21, pp.2435-2438, Nov. 2016

2016

MyungJin Shin, Yoojin Ban, Byung-Min Yu, Jinsoo Rhim, Lars Zimmermann, and Woo-Young Choi

Parametric Characterization of Self-Heating in Depletion-Type Si Micro-Ring Modulators

    IEEE Journal of Selected Topics in Quantum Electronics, Vol. 22, No. 6, pp. 3400207, Nov./Dec. 2016

2016

Dae-hyun Kwon, Jinsoo Rhim, and Woo-Young Choi

A 10-Gb/s Multiphase Clock and Data Recovery Circuit with a Rotational Bang-Bang Phase Detector

    Journal of Semiconductor Technology and Science, Vol. 16, No. 3, pp. 287-292, June 2016

2016

Sung-Geun Kim, Jinsoo Rhim, Dae-Hyun Kwon, Min-Hyeong Kim, and Woo-Young Choi

A Low-Voltage PLL with a Supply-Noise Compensated Feedforward Ring VCO

    Transactions on Circuits and Systems II, Vol. 63, No. 6, pp. 548-552, June. 2016

2016

Myung-Jae Lee, and Woo-Young Choi

Effects of Parasitic Resistance on the Performance of Silicon Avalanche Photodetectors in Standard CMOS Technology

    IEEE Electron Device Letters, Vol. 37, No. 1, pp. 60-63, Jan. 2016

2015

Duho Kim, Minsu Ko, David Ng, Woo-Young Choi

A Single-Bit Sampling Demodulator for Biomedical Implants

    Microelectronics Journal, Vol. 46, No. 8, pp. 669-673, Aug. 2015

2015

Myung-Jae Lee, Jeong-Min Lee, Holger Rücker, and Woo-Young Choi

Bandwidth Improvement of CMOS-APD With Carrier-Acceleration Technique

    IEEE Photonics Technology Letters, Vol. 27, No. 13, pp.1387-1390, July. 2015

2015

Hyun-Yong Jung, Jeong-Min Lee, Woo-Young Choi

A High-Speed CMOS Integrated Optical Receiver with an Under-Damped TIA

    IEEE Photonics Technology Letters, Vol. 27, No. 13, pp.1367-1370, July. 2015

2015

Dae-Hyun Kwon, Young-Seok Park, and Woo-Young Choi

A Clock and Data Recovery Circuit with Programmable Multi-Level Phase Detector Characteristics and a Built-in Jitter Monitor

    IEEE Transactions on Circuits and Systems - I, Vol. 62, No. 6, pp. 1472-1480, Jun. 2015

2015

Jin-Sung Youn, Myung-Jae Lee, Kang-Yeob Park, Wang-Soo Kim, Woo-Young Choi

Low-power 850 nm optoelectronic integrated circuit receiver fabricated in 65 nm complementary metal-oxide semiconductor technology

    IET Circuits, Devices & Systems, Vol 9, No. 3, pp.221-226, May. 2015

2015

Jinsoo Rhim, Yoojin Ban, Byung-Min Yu, Jeong-Min Lee, and Woo-Young Choi

Verilog-A behavioral model for resonance-modulated silicon micro-ring modulator

    Optics Express, Vol. 23, No. 7, pp. 8762-8772, Apr. 2015

2014

Jinsoo Rhim, Jeong-Min Lee, Byung-Min Yu, Yoojin Ban, Seong-Ho Cho, and Woo-Young Choi

25-Gb/s Optical Transmitter with Si Ring Modulator and CMOS Driver

    Journal of the Optical Society of Korea, Vol. 18, No. 5, pp. 564-568, Oct, 2014

2014

Hyun-Yong Jung, Jin-Sung Youn, and Woo-Young Choi

Design Optimization of Hybrid-Integrated 20-Gb/s Optical Receivers

    Journal of Semiconductor Technology and Science, Vol. 14, No. 4, pp. 443-450, Aug. 2014

2014

Myung-Jae Lee, Holger Rücker, and Woo-Young Choi

Optical-Power Dependence of Gain, Noise, and Bandwidth Characteristics for 850-nm CMOS Silicon Avalanche Photodetectors

    IEEE Journal of Selected Topics in Quantum Electronics, Vol. 20, No. 6, p. 3802807, Nov./Dec. 2014

2014

Young-Seok Park, Dae-hyun Kwon, K.-C. Choi and Woo-Young Choi

Multi-band VCO PLL with continuously maintained optimum VCO control voltage

    Electronics Letters, Vol. 50, Issue 12, pp. 857-859, June 2014

2014

Joung-Wook Moon, Kwang-Chun Choi, and Woo-Young Choi

A 0.4-V 90~350-MHz PLL with an active loop-filter charge pump

    IEEE Transactions on Circuits and Systems - II, VOL. 61, NO. 5, pp.319-323, MAY 2014

2014

Myung-Jae Lee, Jin-Sung Youn, Kang-Yeob Park, and Woo-Young Choi

A fully-integrated 12.5-Gb/s 850-nm CMOS optical receiver based on a spatially-modulated avalanche photodetector

    Optics Express, Vol. 22, No. 3, pp. 2511-2518, Feb. 2014

2014

Jin-Sung Youn, Myung-Jae Lee, Kang-Yeob Park, Holger Rücker, and Woo-Young Choi

SNR characteristics of 850-nm OEIC receiver with a silicon avalanche photodetector

    Optics Express, Vol. 22, No. 1, pp. 900-907, Jan. 2014

2013

Minsu Ko, Myung-Jae Lee, Holger Rücker, and Woo-Young Choi

Silicon photonics-wireless interface ICs for micro-/millimeter-wave fiber-wireless networks

    Optics Express, Vol. 21, No. 19, pp. 22962-22973, Sep. 2013

2013

Kwang-Chun Choi, Sung-Geun Kim, Seung-Woo Lee, Bhum-Cheol Lee, and Woo-Young Choi

A 990uW 1.6-GHz PLL Based on a Novel Supply-Regulated Active Loop Filter VCO

    IEEE Transactions on Circuits and Systems - II, Vol. 60, No. 6, pp.311-315, June. 2013

2013

Myung-Jae Lee and Woo-Young Choi

Area-Dependent Photodetection Frequency Response Characterization of Silicon Avalanche Photodetectors Fabricated With Standard CMOS Technology

    IEEE Transactions on Electron Devices, Vol. 60, No. 3, pp. 998-1004, Mar. 2013

2013

Wang-Soo Kim and Woo-Young Choi

A 10-Gb/s low-power adaptive continuous-time linear equalizer using asynchronous under-sampling histogram

    IEICE Electronics Express, Vol. 10, No. 4, pp.1-8, Feb. 2013

2012

Joung-Wook Moon and Woo-Young Choi

An 8-Gb/s Inductorless Adaptive Passive Equalizer in 0.18-um CMOS Technology

    Journal of Semiconductor Technology and Science, Vol.12, No.4, pp.405-410, Dec. 2012

2012

Jin-Sung Youn, Myung-Jae Lee, Kang-Yeob Park, Holger Rucker, and Woo-Young Choi

An integrated 12.5-Gb/s optoelectronic receiver with a silicon avalanche photodetector in standard SiGe BiCMOS technology

    Optics Express, Vol. 20, No. 27, pp.28153-28162, Dec. 2012

2012

Kang-Yeob Park, Won-Seok Oh, Yun-Sik Lee, Woo-Young Choi

Fully-Integrated Serial-Link Receiver with Optical Interface for Long-Haul Display Interconnects

    IET Circuits, Devices & Systems, Vol.6, No.6, pp.375-385, Oct. 2012

2012

Wang-Soo Kim, Chang-Kyung Seong, and Woo-Young Choi

A 5.4-Gb/s Adaptive Continuous-Time Linear Equalizer Using Asynchronous Under-Sampling Histograms

    IEEE Transactions on Circuits and Systems II, Vol. 59, No. 9, pp. 553-556, SEPTEMBER 2012

2012

Minsu Ko, Jin-Sung Youn, Myung-Jae Lee, Kwang-Chun Choi, Holger Rücker, and Woo-Young Choi

Silicon Photonics-Wireless Interface IC for 60-GHz Wireless Link

    IEEE Photonics Technology Letters, Vol. 24, No. 13, pp. 1112-1114, July 1, 2012

2012

Kang-Yeob Park, Won-Seok Oh, Jong-Chan Choi, and Woo-Young Choi

A 5.28-Gb/s Serializer ASIC for Uncompressed Long-Haul Multimedia Interconnects

    Springer Analog Integrated Circuits and Signal Processing, vol. 3, no. 1, pp. 385-395, Oct. 2012

2012

Chang-kyung Seong, Jinsoo Rhim and Woo-Young Choi

A 10-Gb/s Adaptive Look-Ahead Decision Feedback Equalizer with an Eye-Opening Monitor

    IEEE Transactions on Circuits and Systems - II, Vol. 59, No. 4, pp.209-213, Apr. 2012

2012

Jae-Young Kim, Jun-Hyung Jo, Woo-Young Choi, and Hyuk-Kee Sung

Dual-Loop Dual-Modulation Optoelectronic Oscillators With Highly Suppressed Spurious Tones

    IEEE Photonics Technology Letters, Vol. 24, No. 8, pp. 706-708, April. 2012

2012

Kwang-Chun Choi, Seung-Woo Lee, Bhum-Cheol Lee, and Woo-Young Choi

A Time-To-Digital Converter based on a Multi-Phase Reference Clock and a Binary Counter with a Novel Sampling Error Corrector

    IEEE Transactions on Circuits and Systems - II, Vol. 59, No. 3, pp.143-147, Mar. 2012

2012

Kang-Yeob Park, Won-Seok Oh, Kyung-Sun Ham, and Woo-Young Choi

A 150-Mb/s CMOS Monolithic Optical Receiver for Plastic Optical Fiber Link

    Journal of the Optical Society of Korea, Vol. 16, No. 1, pp. 1-5, March, 2012

2012

Young-Seok Park, and Woo-Young Choi

On-chip Compensation of Ring VCO Oscillation Frequency Changes due to Supply Noise and Process Variation

    IEEE Transactions on Circuits and Systems II, Vol. 59, issue 2, pp.73-77, Feb. 2012.

2012

Jin-Sung Youn, Myung-Jae Lee, Kang-Yeob Park, and Woo-Young Choi

10-Gb/s 850-nm CMOS OEIC Receiver with a Silicon Avalanche Photodetector

    IEEE Journal of Quantum Electronics, Vol. 48, No. 2, pp. 229-236, Feb. 2012

2012

Myung-Jae Lee, Holger Rücker, and Woo-Young Choi

Effects of Guard-Ring Structures on the Performance of Silicon Avalanche Photodetectors Fabricated With Standard CMOS Technology

    IEEE Electron Device Letters, Vol. 33, No. 1, pp. 80-82, Jan. 2012

2011

Minsu Ko, Duho Kim, Holger Rücker, and Woo-Young Choi

3-Gb/s 60-GHz Link With SiGe BiCMOS Receiver Front-End and CMOS Mixed-Mode QPSK Demodulator

    Journal of Semiconductor Technology and Science, Vol. 11, No. 4, pp. 256-261, Dec. 2011

2011

Minsu Ko, Jae-Young Kim, Myung-Jae Lee, Holger Rücker, and Woo-Young Choi

A Silicon Balanced Subharmonic Optoelectronic Mixer for 60-GHz Fiber-Wireless Downlink Application

    IEEE Photonics Technology Letters, Vol. 23, No. 23, pp.1805-1807, Dec. 2011

2011

Kang-Yeob Park, Won-Seok Oh, Jong-Chan Choi, and Woo-Young Choi

Design of 250-Mb/s Low-Power Fiber Optic Transmitter and Receiver ICs for POF Applications

    Journal of Semiconductor Technology and Science, vol. 11, No. 3, pp. 221-228, Sept. 2011

2011

Jin-Sung Youn, Myung-Jae Lee, Kang-Yeob Park, Holger Rucker, and Woo-Young Choi

A bandwidth adjustable integrated optical receiver with an on-chip silicon avalanche photodetector

    IEICE Electronics Express, Vol. 8, No. 7, pp.404-409, April 2011

2011

Myung-Jae Lee and Woo-Young Choi

Performance Comparison of Two Types of Silicon Avalanche Photodetectors Based on N-well/P-substrate and P+/N-well junctions Fabricated With Standard CMOS Technology

    Journal of the Optical Society of Korea, Vol. 15, No. 1, pp. 1-3, Mar. 2011

2011

Jae-Young Kim, Woo-Young Choi, and Hyuk-Kee Sung

A Study on Modulation Configuration of Optoelectronic Oscillators Using Direct Modulation of Semiconductor Lasers

    Japanese Journal of Applied Physics, Vol. 50, No. 032504, pp. 1-4, March, 2011

2011

Duho Kim, Minsu Ko, Kwang-Chun Choi, and Woo-Young Choi

Mixed-mode QPSK demodulator for home networking applications

    IET Electronics Letters, Vol. 47, Issue 2, pp. 92-94, Jan. 20, 2011

2010

Kwang-Chun CHOI, Minsu KO, Duho KIM, and Woo-Young CHOI

Demonstration of 60-GHz Link Using a 1.6-Gb/s Mixed-mode BPSK Demodulator

    IEICE Trans.Electron, Vol.E93-C, pp.1704-1707, Dec. 2010

2010

Myung-Jae Lee and Woo-Young Choi

A silicon avalanche photodetector fabricated with standard CMOS technology with over 1 THz gain-bandwidth product

    Optics Express, Vol. 18, No. 23, pp.24189-24194, Nov. 2010

2010

Young-Seok Park, Pyung-Su Han, and Woo-Young Choi

Linear Analysis of Feedforward Ring Oscillators

    IEICE Trans. Electron., Vol. E93-C, pp.1467-1470, Sep. 2010

2010

Kang-Yeob Park, Won-Seok Oh, and Woo-Young Choi

A 10-Gb/s trans-impedance amplifier with LC-ladder input configuration

    IEICE Electronics Express, Vol. 7, No. 16, pp.1201-1206, Aug. 2010

2010

Chang-Kyung Seong, Seung-Woo Lee, and Woo-Young Choi

A New Network Synchronizer Using Phase Adjustment and Feed-Forward Filtering based on Low-Cost Crystal Oscillators

    IEEE Transactions on Instrumentation and Measurement, Vol. 59, No. 7, pp.1764-1774, July 2010

2010

Jae-Young Kim and Woo-Young Choi

30 GHz CMOS Self-Oscillating Mixer for Self-Heterodyne Receiver Application

    IEEE Microwave and Wireless Components Letters, Vol. 20, No. 6, pp. 334-336, June 2010

2010

Jin-Sung Youn, Myung-Jae Lee, Kang-Yeob Park, Holger Rucker, and Woo-Young Choi

7-Gb/s monolithic photoreceiver fabricated with 0.25-μm SiGe BiCMOS technology

    IEICE Electronics Express, Vol. 7, No. 9, pp.659-665, May 2010

2009

Jin-Sung Youn, Hyo-Soon Kang, Myung-Jae Lee, Kang-Yeob Park, and Woo-Young Choi

High-Speed CMOS Integrated Optical Receiver with an Avalanche Photodetector

    IEEE Photonics Technology Letters, Vol. 21, No. 20, pp. 1553-1555, Oct. 2009

2009

Hyo-Soon Kang, Myung-Jae Lee, and Woo-Young Choi

Low-Cost Multistandard Radio-Over-Fiber Downlinks Based on CMOS-Compatible Si Avalanche Photodetectors

    IEEE Photonics Technology Letters, Vol. 21, No. 7, pp. 462-464, Apr. 2009

2009

Woo-Kyung Kim, Soon-Woo Kwon, Woo-Jin Jeong, Geun-Sik Son, Kwang-Hyun Lee, Woo-Young Choi, Woo-Seok Yang, Hyung-Man Lee, and Han-Young Lee

Integrated optical modulator for signal up-conversion over radio-on-fiber link

    Optics Express, Vol. 17, No. 4, pp. 2638- 2645, Feb. 2009

2009

Pyung-Su Han and Woo-Young Choi

10Gbps injection-locked CDR with a simple bit transition detector in 0.18µm CMOS technology

    IEICE Electronics Express, Vol. 6, No. 1, pp. 35-39, January, 2009

2008

Myung-Jae Lee, Hyo-Soon Kang, Kwang-Hyun Lee, and Woo-Young Choi

Self-Oscillating Harmonic Opto-Electronic Mixer Based on a CMOS-Compatible Avalanche Photodetector for Fiber-Fed 60-GHz Self-Heterodyne Systems

    IEEE Transactions on Microwave Theory and Techniques, Vol. 56, No. 12, pp. 3180-3187, Dec. 2008

2008

Hyo-Soon Kang, Myung-Jae Lee, and Woo-Young Choi

6.25-Gb/s Optical Receiver Using a CMOS-Compatible Si Avalanche Photodetector

    Journal of the Optical Society Korea, vol. 12, no 4, pp. 217-220, December 2008

2008

Duho Kim, Kwang-chun Choi, Young-Kwang Seo, Hyunchin Kim, and Woo-young Choi

A 622-Mb/s Mixed-mode BPSK Demodulator Using a Half-rate Bang-bang Phase Detector

    IEEE Journal of Solid-State Circuits, Vol. 43, issue. 10, pp.2284-2292, Oct. 2008

2008

Kwang-Hyun Lee, Jae-Young Kim, and Woo-Young Choi

Injection-Locked Hybrid Optoelectronic Oscillators for Single-Mode Oscillation

    IEEE Photonics technology letters, Vol. 20, No. 19, pp.1645-1647, Oct. 2008

2008

Myung-Jae Lee, Hyo-Soon Kang, and Woo-Young Choi

Equivalent Circuit Model for Si Avalanche Photodetectors Fabricated in Standard CMOS Process

    IEEE Electron Device Letters, Vol. 29, No. 10, pp. 1115-1117, Oct. 2008

2008

Kwang-Hyun Lee, Jae-Young Kim, Woo-Young Choi, Hideki Kamitsuna, Minoru Ida, and Kenji Kurishima

Low-Cost Optoelectronic Self-Injection-Locked Oscillators

    IEEE Photonics technology letters, Vol. 20, No. 13, pp. 1151-1153, July 2008

2008

Chang-Kyung Seong, Seung-Woo Lee, and Woo-Young Choi

A New 1.25-Gb/s Burst Mode Clock and Data Recovery Circuit Using Two Digital Phase Aligners and a Phase Interpolator

    IEICE Transactions on Communications Vol.E91-B No.5 pp.1397-1402, May 2008

2007

Jae-Young Kim, Woo-Young Choi, Hideki Kamitsuna, Minoru Ida and Kenji Kurishima

Integrated Heterojunction Bipolar Transistor Optically Injection-locked Self-oscillating Optoelectronic Mixers for Bi-directional Fiber-fed Wireless Applications

    IEEE Trans. on Microwave theory and techniques, Vol. 55, No. 12, pp.2734-2739, December 2007

2007

Kwang-Hyun Lee, Jae-Young Kim, and Woo-Young Choi

A 30-GHz Self-Injection-Locked Oscillator Having a Long Optical Delay Line for Phase-Noise Reduction

    IEEE PTL, Vol.19, no. 24, pp.1982-1984, Dec. 15, 2007

2007

Hyo-Soon Kang, and Woo-Young Choi

Fibre-supported 60 GHz self-heterodyne systems based on CMOS-compatible harmonic optoelectronic mixers

    IEE Electronics Letters, Vol. 43, No. 20, pp. 1101-1103, Sep. 27, 2007

2007

Kwang-Hyun Lee and Woo-Young Choi

Harmonic signal generation and frequency up-conversion using selective sideband Brillouin amplification in single-mode fiber

    Optics Letters, Vol. 32, No. 12, pp.1686-1688, June 2007

2007

Kwang-Hyun Lee, Woo-Young Choi, Young Ahn Leem, Kwang-Seong Choi, and Kyung Hyun Park

Harmonic Signal Generation and Frequency Up-Conversion Using a Hybrid Mode-Locked Multisection DFB Laser

    IEEE Photonics Technology Letters, Vol. 19, No. 12, pp.901-903, Jun. 2007

2007

Hyo-Soon Kang, Myung-Jae Lee and Woo-Young Choi

Si avalanche photodetectors fabricated in standard complementary metal-oxide-semiconductor process

    Applied Physics Letters, Vol. 90, 151118, April, 2007

2007

Kwang-Hyun Lee, Woo-Young Choi, Young Ahn Leem, Kyung Hyun Park

Harmonic Millimeter-Wave Generation and Frequency Up-Conversion using a Passively Mode-Locked Multi-Section DFB Laser under External Optical Injection

    IEEE Photonics Technology Letters, Vol.19, No. 3, pp. 161-163, Feb. 2007

2007

Jae-Young Kim, Chang-Soon Choi, Woo-Young Choi, Hideki Kamitsuna, Minoru Ida and Kenji Kurishima

Characteristics of InP/InGaAs HPT-based Optically Injection-Locked Self-oscillating Optoelectronic Mixers and Their Influence on RoF System Performance

    IEEE Photonics Technology Letters, Vol.19, No. 3, pp. 155-157, Feb. 2007

2007

Pyung-Su Han and Woo-Young Choi

1.25/2.5-Gb/s Dual Bit-Rate Burst-Mode Clock Recovery Circuits in 0.18-um CMOS Technology

    IEEE Transactions on circuits and systems - 2: Express briefs, Vol. 54, No. 1, pp. 38-42, January 2007

2007

Chang-Kyung Seong, Seung-Woo Lee, and Woo-Young Choi

A 1.25-Gb/s Digitally-Controlled Dual-Loop Clock and Data Recovery Circuit with Enhanced Phase Resolution

    IEICE Trans., Electron, Vol.E90-C, No.1, pp.165-170, Jan. 2007

2006

Ki-Hyuk Lee, Jae-Wook Lee, and Woo-Young Choi

A 0.18um CMOS 3.125-Gb/s Digitally Controlled Adaptive Line Equalizer with Feed-Forward Swing Control for Backplane Serial Link

    IEICE Trans, Electron, Vol.E89-C, No.10, pp. 1454-1459, Oct. 2006

2006

Jun-Hyuk Seo, Young-Kwang Seo, and Woo-Young Choi

1.244-Gb/s Data Distribution in 60-GHz Remote Optical Frequency Up-Conversion Systems

    IEEE Photonics Technology Letters, Vol. 18, No. 12, pp. 1389-1391, Jun. 2006

2006

Jun-Hyuk Seo, Chang-Soon Choi, Young-Shik Kang, Yond-Duck Chung, Jeha Kim, and Woo-Young Choi

SOA-EAM Frequency Up/Down-Converters for 60-GHz Bi-Directional Radio-on-Fiber Systems

    IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 2, pp. 959-966, Feb. 2006

2005

Chang-Soon Choi, Jun-Hyuk Seo, Woo-Young Choi, Hideki Kamitsuna, Minoru Ida and Kenji Kurishima

60Ghz Bidirectional Radio-on-Fiber Links Based on InP-InGaAs HPT Optoelectronic Mixers

    IEEE Photonics Technology Letters, Vol. 17, No. 12, pp. 2721-2723, Dec. 2005

2005

Chang-Soon Choi, Jae-Young Kim, Woo-Young Choi, Hideki Kamitsuna, Minoru Ida and Kenji Kurishima

Optically Injection-Locked Self-Oscillating Optoelectronic Mixers Based on InP–InGaAs HPTs for Radio-on-Fiber Applications

    IEEE Photonics Technology Letters, vol. 17, no. 11, pp.2415-2417, Nov. 2005

2005

Jun-Hyuk Seo, Chang-Soon Choi, Woo-Young Choi, Young-Shik Kang, Yong-Duck Chung, and Jeha Kim

Remote Optoelectronic Frequency Down-Conversion Using 60-GHz Optical Heterodyne Signals and an Electroabsorption Modulator

    IEEE Photonics Technology Letters Vol. 17, No. 5, pp.1073-1075, May 2005

2005

Kwang-Hyun Lee, Young Min Jhon, Woo-Young Choi

Photonic phase shifters based on a vector-sum technique with polarization-maintaining fibers

    Optics Letters, Vol. 30, No. 7, pp.702-704, April. 2005

2005

Chang-Soon Choi, Hyo-Soon Kang, Woo-Young Choi, Dae-Hyun Kim and Kwang-Seok Seo, Seoul National University

Phototransistors based on InP HEMTs and their applications to millimeter-wave radio-on-fiber systems

    IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 1, pp.256-263, Jan. 2005

2004

Ki-Hyuk Lee, Kyung-Hyun Park, and Woo-Young Choi

Measurement of the carrier lifetime and linewidth enhancement factor of semiconductor optical amplifiers using their optical modulation responses

    Optical Engineering, Vol. 43, No. 11, pp. 2715-2718, Nov. 2004

2004

Hye-Seung Ryu, Young-Kwang Seo, and Woo-Young Choi

Dispersion-Tolerant Transmission of 155-Mb/s Data at 17GHz Using a 2.5Gb/s-Grade DFB Laser With Wavelength-Selective Gain From an FP Laser Diode

    PHOTONICS TECHNOLOGY LETTERS, VOL. 16, NO. 8, pp. 1942-1944, AUGUST 2004

2004

Hyo-Soon Kang, Chang-Soon Choi, Woo-Young Choi, Dae-Hyun Kim, Kwang-Seok Seo, Seoul National University

Characterization of phototransistor internal gain in metamorphic high-electron-mobility transistors

    Applied Physics Letters, Vol. 84, No. 19, pp.3780-3782, May. 2004

2003

Jun-Hyuk Seo, Young-Kwang Seo, and Woo-Young Choi

Spurious-Free Dynamic Range Characteristics of the Photonic Up-Converter Based on a Semiconductor Optical Amplifier

    IEEE Photonics Technology Letters, Vol. 15, No. 11, pp.1591-1593, Nov. 2003

2003

Yu-Gun KIM, Chun-Oh LEE, Seung-Woo LEE, Hyun-Su CHAI, Hyun-Suk RYU, and Woo-Young CHOI

Novel 622 Mb/s Burst-Mode Clock and Data Recovery Circuits with Muxed Oscillators

    IEICE Transactions on Communications, Vol.E86-B, No.11, pp.3288-3292, Nov. 2003

2003

Young-Kwang Seo, Jun-Hyuk Seo, and Woo-Young Choi

60-GHz RADIO-ON-FIBER DISTRIBUTION OF 2 x 622 Mb/s WDM CHANNELS USING REMOTE PHOTONIC-FREQUENCY UPCONVERSION

    Microwave and Optical Technology Letter, Vol. 39, No. 3, pp.pp.201-203, Nov. 2003

2003

Hye-Seung Ryu, Young-Kwang Seo, Woo-Young Choi

Generation of Optical Single Sideband Using a Semiconductor Laser under Modulated Light Injection

    Japanese Journal of Applied Physics, Vol.42, No.9A/B, pp.L1064-L1065, Sep. 2003

2003

JaeWook Lee, Cheon-O Lee, W.-Y.Choi

"A Giga-b/s CMOS Clock and Data Recovery Circuit with a Novel Adaptive Phase Detector "

    IEICE Transaction on Communications , Vol.E86-B, No.7, pp.2186-2189, Jul. 2003

2003

K.-H. Lee, W.-Y. Choi, S. Choi, K. Oh

"A Novel Tunable Fiber-Optic Microwave Filter using Multimode DCF "

    IEEE Photonics Technology Letters, Vol. 15, No. 7, pp.969-971, Jul. 2003

2003

Chang-Soon Choi,Hyo-Soon Kang, Dae-Hyun Kim, Kwang-Seok Seo and Woo-Young Choi, School of Electrical Engineering, Seoul National University

60GHz Harmonic Optoelectronic Up-Conversion Using an InAlAs/InGaAs Metamorphic High-Electron-Mobility Transistor on a GaAs Substrate

    Jpn.J.Appl.Phys., Vol.42, pp.L658-L659, Jun. 2003

2003

C.-S. Choi, H.-S. Kang, W.-Y. Choi, H.-J. Kim, W.-j. Choi, D.-H. Kim, K.-C. Jang and KIST, Seoul National University, K.-S. Seo

High Optical Responsivity of InAlAs/InGaAs Metamorphic High-Electron Mobility Transistor on GaAs substrate with Composite Channels

    IEEE Photonics Technology Letters, Vol. 15, No. 6, pp.846-848, Jun. 2003

2003

Y.-K. Seo, J.-H. Seo and W.-Y. Choi

" Photonic Frequency-Upconversion Efficiencies in Semiconductor Optical Amplifiers "

    IEEE Photonics Technology Letters, Vol.15. no.5, pp.751-753, May. 2003

2003

Ki-Hyuk Lee, Hyun-Yong Choi, Woo-Young Choi

"Analysis of Chromatic Dispersion-Induced Second-Harmonic Distortions Including Laser Dynamics to the Second Order "

    IEEE Journal of Quantum Electronics, Vol. 39, No. 5, pp.640-646, May. 2003

2003

Kwang-Hyun Lee, Yong-Sang Cho, Sangin Kim and Woo-Young Choi

"A Tunable-Output Wavelength Converter Based on a Self-Seeded Fabry-Perot Laser Diode with a Chirped Fiber Grating"

    Microwave and Optical Technology Letters, Vol.37, No 1, pp.35-36, Apr. 2003

2002

Young-Kwang Seo, Chang-Soon Choi, Woo-Young Choi

All Optical Signal Up-Conversion for Radio-on-fiber Applications Using Cross-Gain Modulation in Semiconductor Optical Amplifiers

    IEEE Photonics Technology Letters, Vol.14, No.10, pp.1448-1450, Oct. 2002

2002

Hyuk-Kee Sung, Young-Kwang Seo, Woo-Young Choi

" Reduction of Fiber Dispersion-Induced Third-Order Intermodulation Distortion with Injection-Locked Distributed Feedback Lasers "

    Jpn. J. Appl. Phys, Vol.41, No.7B, pp.L825-L826, Jul. 2002

2002

C.-S. Choi, W.-Y. Choi, M.-H. Joo, J.-H. Song, and S. Im

" Optimum B+ Implantation Conditions for the edge Termination of the Au/n-Si Schottky Diodes "

    J. Vac. Sci. Technol B, Mar. 2002

2002

Jun-Hyuk Seo,Young-Kwang Seo,Woo-Young Choi

" Nonlinear Distortion Suppression in Directly Modulated Distributed Feedback Lasers by Sidemode Optical Injection Locking "

    Jpn. J. Appl. Phys., Vol.41, No.2A, pp.L136-L138, Feb. 2002

2001

Chang-Soon Choi, Kyung-Whan Kim and Woo-Young Choi

" Design and Analysis of Self-Aligned Asymmetric Structure for Deep Sub-micrometer MOSFET "

    Solid-State Electronics, Vol. 45, No. 9, pp.1673-1678, Sep. 2001

2001

Young-Gwang Seo, A-Jung Kim, Jung-Tae Kim, and Woo-Young Choi

" Optical Generation of Microwave Signals Using a Directly Modulated Semiconductor Laser Under Modulated Light Injection "

    Microwave and Optical Technology Letter, Vol. 30, No. 6, pp.369-370, Sep. 2001

2001

Yu-Gun Kim, Myoung-Su Lee and Woo-Young Choi

"A New Charge Pump PLL with Reduced Jitter"

    IEICE Trans. Commun, Vol. E84-B, No. 6, pp.1680-1682, Jun. 2001

2001

Hyun-Do Jung, Gyu-Woong Lee, Sang-Kook Han, Woo-Young Choi

"Nonlinearity suppression of electroabsorption modulator through dual-parallel modulation"

    Microwave and Optical Technology Letters, Vol. 9, No. 1, pp.2-5, Apr. 2001

2001

T.-S.Cheung, B.-C. Lee, E.-C. Choi and W.-Y. Choi

" A 1.8~3.2 GHz fully differential GaAs MESFET PLL "

    IEEE Journal of Solid-State Circuits, Vol. 36, No. 4, pp.605-610, Apr. 2001

2001

Yong-Sang Cho and Woo-Young Choi

"Analysis and optimization of polarization-insensitive semiconductor optical amplifiers with delta-strained quantum wells"

    IEEE Journal of Quantum Electronics, Vol. 37, No. 4, pp.574-579, Apr. 2001

2000

Seung-Woo Lee, Eun-Chang Choi, Sang-Kook Han, and Woo-Young Choi

"Modeling and analysis of optical interconnect systein using equavalent circuit models"

    Optical Engineering, Vol. 39, No 12, pp.3191-3195, Dec. 2000

2000

Tae-sik Cheung, Bhum-Cheol Lee, Eun-Chang Choi, Woo-Young Choi

"Novel 2GHz Range Fully Differential GaAs MESFET Phase-Locked Loops"

    Journal of Korean Physical Society, Vol. 37, No. 6, pp.816-821, Dec. 2000

2000

K.-W. Kim, C.-S. Choi, and W.-Y. Choi

" analysis of a Novel Self-Aligned Elevated Source Drain Metal-Oxide Semiconductor Field Effect Transistor with Reduced Gate Induced Drain Leakage Current and High Driving Capability "

    Japanese Journal of Applied Physics, Vol. 39, No. 11, pp.6208-6211, Nov. 2000

2000

Young-Kwang Seo and Woo-Young Choi

" Frequency chirp analysis of injection-locked semiconductor lasers "

    Microwave and Optical Technology Letters, Vol. 25, No. 6, pp.374-377, Jun. 2000

2000

M.H. Joo, K.M. Park, W.Y. Choi, J.H. Song, S. Im

"Enhancing the breakdown voltages of Au/n-Si Schottky diodes by boron ion beam-induced edge termination"

    Nuclear Instruments and Methods in Physics Research B, Vol. 168, No. 3, pp.399-403, Jan. 2000

1999

Yongsang Cho, Wooyong Choi, Seok Lee, Sunho Ki

"Analysis of QW with strained thin layers for polarization-Insensitive semiconductor optical amplifiers"

    Journal of Korean Physical Society, Vol. 34-S, pp.96-100, Apr. 1999

1998

Sang-O Jeon, Tae-Sik Cheung, and Woo-Young Choi

"Phase/frequency detectors for high-speed PLL applications"

    Electronics Letters, Vol. 34, No. 22, pp.2120-2121, Oct. 1998

1997

崔 佑榮

"韓國の半導體敎育" (Invited Paper)"

    電子情報通信學會誌 (Japan), Vol. 80, No. 10, pp.1013-1016, Oct. 1997

1996

W.-Y. Choi, J.C. Chen, and C.G. Fonstad

"Evaluation of coupling coefficients for laterally-coupled distributed feedback lasers"

    Jap. J. of Appl. Phys., Vol. 35, Part 1, No. 9A, pp.4654-4659, Sep. 1996

1996

T.-S. Cheung, W.-Y. Choi, S.-D. Lee, J.-S. Yoon, and B.-R. Kim

--"Prediction of TDDB characteristics under constant current stresses"

    Elect Lett., Vol. 32, No. 13, pp.1241-1242, Jun. 1996

1994

W.-Y. Choi and C.G. Fonstad

" Growth optimization of molecular-beam-epitaxy-grown InAlAs on InP "

    J. Vac. Sci. Technol., B 12, No. 2, pp.1013-1015, Mar. 1994

1993

V.V. Wong, W.-Y. Choi, J.M. Carter, C.G. Fonstad, H.I. Smith, Y. Chung, and N. Dagli

"Ridge-waveguide sidewall-grating distributed feedback structures "

    J. Vac. Sci. Technol., B 11, No. 6, pp.2621-2624, Nov. 1993

1993

Y. Hirayama, W.-Y. Choi, L.H. Peng, and C.G. Fonstad

Absorption spectroscopy on room temperature exciton transitions in strained layer InGaAs/InAlAs multiple quantum-well structures

    J. Appl. Phys., Vol. 74, No. 1, pp.570-578, Jul. 1993

1993

Y. Hirayama, W.-Y. Choi, and C.G. Fonstad, Tech

" Optical study on exciton in InGaAs/InGaAlAs quantum well structures "

    Report of IEICE, OQE93-42,, pp.21-26, Jul. 1993

1993

W.-Y. Choi and C.G. Fonstad

" Photoluminescence and x-ray diffraction studies of MBE-grown compressively strained InGaAs and InGaAlAs quantum wells for 1.55um laser diode applications "

    Journal of Crystal Growth, Vol. 127, pp.555-559, Mar. 1993

1993

W.-Y. Choi, T.P.E. Broekaert, and C.G. Fonstad

MBE-GROWN lnGaAIAs 1.5 µm MQW RIDGE WAVEGUlDE LASER DIODES WITH AlAs ETCH STOP LAYERS

    Elect. Lett., Vol. 29, No. 5, pp.483-485, Mar. 1993

1993

W.-Y. Choi and C.G. Fonstad

"Determination of the layer structure of embedded strained InGaAs multiple quantum wells by high resolution x-ray diffraction"

    Appl. Phys. Letts, Vol. 62, No. 22, pp.2815-2817, Mar. 1993

1992

L.H. Peng, T.P.E. Broekaert, W.-Y. Choi, B.R. Bennett, J.H. Smet, V. Diadiuk, S.H. Groves, S.C. Palmateer, N. Pan, and C.G. Fonstad

"Mapping of the localized interface and surface states of InGaAs lattice matched to Fe-doped InP by infrared spectroscopy"

    J. Appl. Phys., Vol. 72, No. 8, pp.3664-3669, Oct. 1992

1992

J.C. Vlcek, W.-Y. Choi and C.G. Fonstad

" Techniques and applications of graded-composition InGaAlAs Alloys "

    J. Vac. Sci. Technol., B 10, No. 2, pp.822-824, Mar. 1992

1991

L.H. Peng, T.P.E. Broekaert, W.-Y. Choi, C.G. Fonstad, and V. Jones

"Defect activated infrared multiphonon excitation in iron-dopped semi-insulating indium phosphide"

    Appl. Phys. Lett., Vol. 59, No. 5, pp.564-566, Jul. 1991


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