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무제 문서     Journal    < International >

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, Accepted

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, 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

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, Accepted

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

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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