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무제 문서     Conferences    < International >

2017

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

A Monolithically Integrated 25-Gb/s Optical Receiver Based on Photonic BiCMOS Technology

    The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), The 22nd OptoElectronics and Communications Conference (OECC), and the 5th Photonics Global Conference (PGC), Singapore, 31st Jul - 4th Aug., 2017 (P)

2017

Woo-Young Choi, Myungjin Shin, Byung-Min Yu, and Lars Zimmnermann

Self-heating in Depletion-Type Si Ring Modulators (Invited Paper)

    The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), The 22nd OptoElectronics and Communications Conference (OECC), and the 5th Photonics Global Conference (PGC), Singapore, 31st Jul - 4th Aug., 2017 (O)

2017

Dae-Hyun Kwon, Hyun-Yong Jung, Jeong-Min Lee and Woo-Young Choi

An Asymmetrically-Sampling 10-Gb/s CDR Circuit for Optical Receiver Performance Enhancement

    International Conference on Electronics, Information, and Communication (ICEIC), Phuket, Thailand, 11-14 January, 2017 (O)

2016

Ki-Hyun Pyun, Dae-Hyun Kwon, and Woo-Young Choi

A 3.5/7.0/14-Gb/s Multi-Rate Clock and Data Recovery Circuit with a Multi- Mode Rotational Binary Phase Detector

    IEEE Asia Pacific Conference on Circuits and Systems, Jeju, Korea, 25 -28, October, 2016 (O)

2016

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

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

    IEEE International Conference on Group IV Photonics, Shanghai, China, 24-26, August, 2016 (O)

2016

S. Lischke, D. Knoll, C. Mai, M. Kroh, D. Schmidt, A. Peczek, J. KreiBl, Jeong-Min Lee, Minkyu Kim, Woo-Young Choi, and Lars Zimmermann

Design Effects on the Performance of High-Speed Ge Photo Detectors

    IEEE International Conference on Group IV Photonics, Shanghai, China, 24-26, August, 2016 (O)

2016

Ki-Hyun Pyun, Dae-Hyun Kwon, and Woo-Young Choi

Multi-Rate Clock and Data Recovery Circuit For Display Interface

    International SoC Design Conference - Chip Design Contest, Jeju, Korea, 23 - 26 October 2016 (P)

2016

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

A 5-8 Gb/s Low-Power Transmitter with 2-Tap Pre-Emphasis Based on Toggling Serialization

    IEEE Asian Solid-State Circuits Conference, Toyama, Japan, 7-9 Nov., 2016 (O)

2016

Jeong-Min Lee, Minkyu Kim, Stefan Lischke, Lars Zimmernman, Seong-Ho Cho, and Woo-Young Choi

Photodetection Frequency Response Characterization for High-Speed Ge-PD on Si With an Equivalent Circuit

    21st Optoelectronics and Communications Conference/International Conference on Photonics in Switching 2016, Niigata, Japan, 3-7 July, 2016 (P)

2016

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

Modulation Performance Optimization for Depletion-Type Silicon Micro-Ring Modulators

    IEEE Optical Interconnects Conference 2016, San Diego, California USA, 9 - 11 May 2016 (P)

2016

Woo-Young Choi, Myungjin Shin, Jeong-Min Lee, Lars Zimmermann

Equivalent Circuit Models for Silicon Photonics Devices (Invited Paper)

    Asia Communications and Photonics Conference (ACP), Wuhan, China, 2-5 November, 2016 (O)

2016

Min-Hyeong Kim, Hyun-Yong Jung, and Woo-Young Choi

An integrated Mach-Zehnder modulator bias controller based on eye-amplitude monitoring

    Photonics West, San Francisco, USA, 13-18 Feb, 2016 (O)

2015

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

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

    IEEE Photonics Conference, Reston, USA, 4-8 October, 2015 (O)

2015

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

Modeling of self-heating effect for depletion-type Si micro-ring modulator

    Optical Interconnects Conference, San Diego, USA, 20-22 April, 2015 (O)

2015

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

A Low-Voltage PLL with a Current Mismatch Compensated Charge Pump

    International SoC Design Conference, Gyeongju, Korea, 2-5 November, 2015 (O)

2014

Kang-Yeob Park, Hyun-Yong Jung, and Woo-Young Choi

A bandwidth-tunable optical receiver

    International SoC Design Conference - Chip Design Contest, Jeju, Korea, 3-6 November, 2014 (P)

2014

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

12.5-Gb/s Monolithic Optical Receiver with CMOS Avalanche Photodetector

    International SoC Design Conference - Chip Design Contest, Jeju, Korea, 3-6 November, 2014 (P)

2014

Hyun-Yong Jung, Jeong-Min Lee, Jin-Sung Youn, Woo-Young Choi, and Myung-Jae Lee

12.5-Gb/s Monolithically Integrated Optical Receiver with CMOS Avalanche Photodetector

    International SoC Design Conference, Jeju, Korea, 3-6 November, 2014 (O)

2014

Joung-Wook Moon, Sung-Geun Kim, Dae-Hyun Kwon, and Woo-Young Choi

A 0.4-V, 500-MHz, Ultra-Low-Power Phase-Locked Loop for Near-Threshold Voltage Operation

    Custom Integrated Circuits Conference, San Jose, USA, 15-17 Sep., 2014 (P)

2014

Jeong-Min Lee and Woo-Young Choi

An Equivalent Circuit Model for Germanium Waveguide Vertical Photodetectors on Si

    International Topical Meeting on Microwave Photonics / The 9th Asia-Pacific Microwave Photonics Conference (MWP / APMP 2014) 2014, Sapporo, Japan, 20-23 Oct., 2014 (P)

2014

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

A Behavior Model for Silicon Micro-Ring Modulators and Transmitter Circuit-Level Simulation Using It

    IEEE International Conference on Group IV Photonics, Paris, France, 27-29 August, 2014 (O)

2014

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

Model Parameter Extraction for Si Micro-Ring Modulators

    Optoelectronics and Communications Conference(OECC), Melbourne, Australia, 6-10 July, 2014 (P)

2014

Woo-Young Choi

Si Photonics for More-than-Moore Si Electronics (Invited)

    Nano Korea 2014, Seoul, Korea, 2-4 July, 2014 (O)

2014

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

Small-Signal Frequency Responses for Si Micro-Ring Modulators

    IEEE Optical Interconnects Conference, Coronado, USA, 4-7 May, 2014 (P)

2013

Joung-Wook Moon, Kwang-Chun Choi, Min-Hyeong Kim, and Woo-Young Choi

A Spur free 0.4-V 88-uW 200-MHz Phase-Locked Loop

    International SoC Design Conference, Jeju, Korea, 17-19 November, 2013 (O)

2013

Jinsoo Rhim and Woo-Young Choi

A 12.5-Gb/s Optical Modulator Driver in 65-nm CMOS Technology

    International SoC Design Conference - Chip Design Contest, Jeju, Korea, 17-19 November, 2013 (P)

2013

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

An 8.7-mW 7-Gb/s CMOS OEIC Receiver

    International SoC Design Conference - Chip Design Contest, Jeju, Korea, 17-19 November, 2013 (P)

2013

Wang-Soo Kim and Woo-Young Choi

A 5-Gb/s Adaptive Equalizer & Duty-Cycle Corrector Using Asynchronous Under-Sampling Histogram

    International SoC Design Conference - Chip Design Contest, Jeju, Korea, 17-19 November, 2013 (P)

2013

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

A 0.4-V 88-uW 200-MHz PLL with reduced reference spurs

    International SoC Design Conference - Chip Design Contest, Jeju, Korea, 17-19 November, 2013 (P)

2013

Yoojin Ban, Jeong-Min Lee, and Woo-Young Choi

A Small-Signal Model for Modulation Response of a Silicon Ring Modulator

    The 10th International Conference on Group IV Photonics(GFP), Seoul, Korea, 28-30 August, 2013 (P)

2013

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

An Equivalent Circuit with a Noise Source for 850-nm Si Avalanche Photodetector and Optimal Design of Si OEIC Receiver

    The 10th Conference on Lasers and Electro-Optics Pacific Rim, and The 18th OptoElectronics and Communications Conference/Photonics in Switching (CLEO-PR & OECC/PS) 2013, Kyoto, Japan, 30 June - 4 July, 2013 (P)

2013

Minsu Ko, Jeong-Min Lee, Myung-Jae Lee, and Woo-Young Choi

A 5-GHz CMOS Integrated Radio-Over-Fiber Receiver

    The 8th Asia-Pacific Microwave Photonics Conference (APMP 2013), Gwangju, Korea, 22-24 Apr. 2013 (P)

2012

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

Bit-Error Rate Analysis of Integrated Optoelectronic Receiver

    Photonics Global Conference (PGC) 2012, Singapore, 13-16, Dec. 2012

2012

Jinsoo Rhim, Kwang-Chun Choi, and Woo-Young Choi

A 10-Gb/s Power and Area Efficient Clock and Data Recovery Circuit in 65-nm CMOS Technology

    International SoC Design Conference, Jeju, 4-7 Nov. 2012

2012

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

60-GHz Voltage-Controlled Oscillator and Frequency Divider in 0.25-μm SiGe BiCMOS Technology

    International SoC Design Conference, Jeju, 4-7 Nov. 2012

2012

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

Investigation of Optimal Silicon Avalanche Photodiode Pairs for 60-GHz Balanced Subharmonic Optoelectronic Mixers

    Asia-Pacific Microwave Photonics Conference (APMP 2012), Kyoto, Japan, 25-27 Apr. 2012

2012

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

A 12.5-Gb/s SiGe BiCMOS Optical Receiver with a Monolithically Integrated 850-nm Avalanche Photodetector

    OFC/NFOEC, Los Angeles, California, USA, 6-8 Mar. 2012

2011

Jinsoo Rhim and Woo-Young Choi

A 5-Gb/s Low-Power Transmitter with Voltage-Mode Output Driver in 90nm CMOS Technology

    International SoC Design Conference, Jeju, 17-18 Nov. 2011

2011

Myung-Jae Lee, Jin-Sung Youn, Holger Ruecker, and Woo-Young Choi

A Monolithically Integrated Optical Receiver With a Silicon Avalanche Photodetector for Fiber-Wireless IEEE 802.11 WLAN Applications

    IEEE International Topical Meeting on Microwave Photonics, Singapore, 18-21 Oct. 2011

2011

Young-Seok Park and Woo-Young Choi

Supply Noise Insensitive Ring VCO with On-Chip Adaptive Bias-Current and Voltage-Swing Control

    International Symposiums on Circuits And Systems, pp.229-232, May. 2011

2011

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

A 5.4Gb/s Adaptive Equalizer Using Asynchronous-Sampling Histograms

    International Solid-State Circuits Conference, Sanfrancisco, USA, 20-24, February. 2011

2010

Woo-Young Choi

CMOS Optoelectronic Mixers for Fiber-fed Wireless Systems (Invited Paper)

    Photonics Global Conference, Suntec, Singapore, 14-16, Dec. 2010

2010

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

A 4.8-Gb/s Mixed-mode CMOS QPSK Demodulator For 60-GHz Wireless Personal Area Networks

    IEEE Asia Pacific Conference on Circuits and Systems, Kuala Lumpur, Malaysia, 6-9 December, 2010

2010

Duho Kim, Kwang-chun Choi, Young-seok Park, Wang-soo Kim, Jinsoo Rhim and Woo-Young Choi

4-Channel 3.2/6.4-Gbps Dual-rate Transmitter

    International SoC Design Conference, Chip Design Contest, November 2010

2010

Jin-Sung Youn and Woo-Young Choi

6.25-Gb/s Optical Receiver Analog Front-End in a 0.13um CMOS Technology

    International SoC Design Conference, Chip Design Contest, November 2010

2010

Jinsoo Rhim, Chang-kyung Seong, Wang-soo Kim, and Woo-Young Choi

1.62 and 2.7 Gb/s Dual-rate Adaptive Equalizer

    International SoC Design Conference, Chip Design Contest, November 2010

2010

Jae-Young Kim, Myung-Jae Lee and Woo-Young Choi

60GHz CMOS-APD Optoelectronic Mixers with Optimized Conversion Efficiency

    IEEE International Topical Meeting on Microwave Photonics, Montreal, Quebec, Canada, 5-9 Oct. 2010

2010

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

Si Integrated Photoreceivers (Invited Paper)

    Bipolar/BiCMOS Circuits and Technology Meeting (BCTM), Austin, Texas, USA, 4-6 October, 2010

2010

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

CMOS-Compatible Si Avalanche Photodetectors (Invited Paper)

    Asia-Pacific Radio Science Conference (AP-RASC), Toyama, Japan, 22-26 September, 2010

2010

Woo-Young Choi, Jae-Young Kim and Myung-Jae Lee

Invited Paper "Optoelectronic Mixers for Fiber-fed 60-GHz Wireless Systems"

    Asia-Pacific Microwave Photonics Conference (APMP), HongKong, China, 26-28 April 2010

2010

Minsu Ko, Holger Ruecker, and Woo-Young Choi

A 53-64-GHz SiGe Up-Conversion Mixer with 4-GHz IF Bandwidth

    10th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF), New Orleans, USA, 11-13 Jan. 2010

2009

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

Linear Analysis and Speed Optimization of Feedforward Ring Oscillators

    12th International Symposium on Integrated Circuits(ISIC), Singapore, Singapore, 14-16 Dec. 2009

2009

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

622-Mb/s Downlink Transmission in a Fiber-Fed 60-GHz Wireless System Using a CMOS Integrated Optical Receiver

    IEEE International Topical Meeting on Microwave Photonics, Valencia, Spain, 14-16 Oct. 2009

2009

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

CMOS Integrated Optical Receivers for Radio-over-Fiber Transmission of IEEE 802.11g WLAN Signals

    Asia-Pacific Microwave Photonics Conference (APMP), Beijing, China, 22-24 April 2009

2008

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

1-Gb/s Mixed-mode BPSK Demodulator Using a Half-rate Linear Phase Detector for 60-GHz Wireless PAN Applications

    IEEE Asian Solid-State Circuits Conference, pp. 357-360, 12-6 Nov. 2008

2008

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

Multi-Standard Radio-over-Fiber Systems Using CMOS-Compatible Si Avalanche Photodetectors

    IEEE Topical Meeting on Microwave Photonics, pp. 302-305, Gold Coast, Australia, Sep. 30 - Oct. 3, 2008

2008

Woo-Young Choi and Hyo-Soon Kang

CMOS-Compatible Si Avalanche Photodetectors for Microwave Photonics Applications (Invited Paper)

    Joint Conference of Opto-Electronics and Communications Conference and the Australian Conference on Optical Fiber Technology (OECC/ACOFT), WeP-01, Sydney, Australia, 7-10 July, 2008

2008

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

Precise Network Synchronization Technique Using Phase Adjustment and External Filtering

    International Conference on Electonics, Information, and Communication

2008

Minsu Ko, Hyo-Soon Kang, and Woo-Young Choi

A CMOS-Compatible Schottky-Barrier Diode Detector for 60-GHz Amplitude-Shift Keying (ASK) Systems

    IEEE MTT-S International Microwave Symposium, pp.1557-1560, Atlanta, USA., 15-20 June, 2008

2008

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

Fiber-Fed 60-GHz Self-Heterodyne System Using a Self-Oscillating Harmonic Optoelectronic Mixer Based on a CMOS-Compatible APD

    IEEE MTT-S International Microwave Symposium, pp.587-590, Atlanta, USA., 15-20 June, 2008

2008

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

Radio-Over-Fiber Systems for WLAN Based on CMOS-Compatible Si Avalanche Photodetectors

    IEEE MTT-S International Microwave Symposium, pp.503-506, Atlanta, USA., 15-20 June, 2008

2008

Jae-Young Kim and Woo-Young Choi

Fiber-fed wireless systems based on remote up-conversion techniques

    IEEE Radio and Wireless Symposium, Workshop on Radio over Fiber Technologies, 21 January 2008, Orando, FL, USA

2007

Duho Kim, Young-kwang Seo, Hyunchin Kim and Woo-young Choi

A 622Mb/s BPSK Demodulator with Mixed-mode Demodulation Scheme

    IEEE Asian Solid-State Circuits Conference, pp. 288-291, 12-14 Nov. 2007

2007

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

Mixed-mode BPSK Demodulator

    Chip Design Contest (2007 International SoC Design Conference), COEX Conference Center, Seoul, Korea, 15-16 Oct., 2007

2007

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

Hybrid Dual-Loop Optoelectronic Oscillators

    MWP2007, pp. 74-77, The Empress, Victoria, Canada, Oct. 03-05, 2007

2007

K. Park, W. S. Oh, S. C. Lee and Woo-Young Choi

A 12-Ch 60-Gb/s Advanced Common-Gate Trans-Impedance Amplifier Array

    The 22nd International Technical Conference on Circuits/Systems, Computers and Communications, pp. 105-106, July 8-11, 2007

2007

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

Characterization of Silicon Avalanche Photodetectors Fabricated in Standard CMOS process

    Pacific Rim Conference on Lasers and Electro-Optics (CLEO/PR), pp. 614-615, COEX, Seoul, Korea, Aug. 26-31, 2007

2007

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

Optically Injection-locked Self-oscillating HBT MMIC Optoelectronic Mixer for Bi-directional Fiber-fed Wireless Links

    IEEE MTT-S International Microwave Symposium, pp. 237-240, 3-8 June, 2007

2007

Hyo-Soon Kang, and Woo-Young Choi

CMOS-compatible 60 GHz Harmonic Optoelectronic Mixer

    IEEE MTT-S International Microwave Symposium, pp. 233-236, Honolulu, USA, 3-8 June, 2007

2007

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

Harmonic Frequency Up-Converters Based on Actively Mode-Locked Multi-Section DFB Lasers for 60 GHz Radio-on-Fiber Systems

    AP-MWP2007, pp 151-153, The Suite Hotel, JeJu Island, Korea, April 25-27, 2007

2007

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

30GHz-band Radio-on-fiber downlink data transmission using InP HPT-based MMIC OIL-SOM

    AP-MWP2007, pp 85-88, The Suite Hotel, JeJu Island, Korea, April 25-27, 2007

2007

Kwang-Hyun Lee and Woo-Young Choi

Millimeter-wave Harmonic Frequency Up-Conversion Using Selective Sideband Brillouin Amplification

    OFC/NFOEC, OWN6, Anaheim, California, USA, March 25-29, 2007

2007

Woo-Young Choi and Jae-Young Kim

Invited paper, "Technologies for Fiber-fed 60GHz Wireless Systems"

    OFC/NFOEC, OWN1, Anaheim, California, USA, March 25-29, 2007

2006

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

Invited paper, "60GHz RoF Systems Using Remote Up-conversion Technique based on HBT Optoelectronic Mixers"

    Australian workshop on microwave photonics, Melbourne, Australia, Dec. 8, 2006

2006

Pyung-Su Han and Woo-Young Choi

A 5-Gb/s Half-Rate Clock Recovery Circuit

    Chip Design Contest (2006 International SoC Design Conference), COEX Conference Center, Seoul, Korea, 26-27 Oct., 2006

2006

Pyung-Su Han and Woo-Young Choi

A 5-Gb/s Half-rate clock recovery circuit in 0.25-um CMOS technology

    2006 International SoC Design Conference, COEX Conference Center, Seoul, Korea, 26-27 Oct, 2006

2006

Kwang-Chun Choi, Pyung-Su Han, and Woo-Young Choi

1-Gb/s CMOS Low-Voltage Differential Signaling Receiver and Fail-Safe Circuit for Display Applications

    ISOCC 2006, COEX Conference Center, Seoul, Korea, 26~27 Oct., 2006

2006

Duho Kim, Woo-young Choi, Young-kwang Seo and Hyunchin Kim

A Novel BPSK Demodulating Scheme Using a Half-rate Bang-bang Phase Detector

    ISOCC 2006, COEX Conference Center, Seoul, Korea, 26~27 Oct., 2006

2006

Hyo-Soon Kang, and Woo-Young Choi

Millimeter-wave Optoelectronic Mixers Based on CMOS-Compatible Si Photodetectors

    International Topical Meeting on Microwave Photonics, T1-5, Genoble, France Oct. 4-6, 2006

2006

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

Clock and Data Recovery Circuit Using Digital Phase Aligner and Phase Interpolator

    49th IEEE International Midwest Symposium on Circuits and Systems, San Juan, PR, Aug. 6-9, 2006

2006

Hyo-Soon Kang, and Woo-Young Choi

Bias Voltage Optimization of Vertical PN-Junction Photodetectors Fabricated in Standard CMOS Technology

    International Conference on Electronics, Information, and Communication (ICEIC) pp. 340-343, Ulaanbaatar, Mongolia, June 27-28, 2006

2006

Woo-Young Choi

High-Speed InP Transistors for Microwave-Photonic Signal Transmission

    IEEE MTT-S International Microwave Symposium, Workshop on

2006

Jun-Hyuk Seo, and Woo-Young Choi

Gigabit Transmission in 60-GHz-Band Using Optical Frequency Up-Conversion by Semiconductor Optical Amplifier and Photodiode Configuration

    IEEE MTT-S International Microwave Symposium, pp. 22-25, June 11-16, 2006

2006

Pyung-Su Han and Woo-Young Choi

1.25/2.5-Gb/s Burst-Mode Clock Recovery Circuit with a Novel Dual Bit-Rate Structure in 0.18-um CMOS

    International Symposium on Circuits and Systems, Kos island, Greece, May 21-24, 2006, pp.3069-3072

2006

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

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

    International Symposium on Circuits and Systems, Kos, Greece, May 21-24, 2006

2006

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

All Optical Harmonic Frequency Up-converters Based on Self-pulsating Multi-section DFB Lasers for 60GHz RoF Down-link Systems

    AP-MWP2006, C-38, Kobe, Japan, April 24-26, 2006

2006

Jae-Young Kim, Jun-Hyuk Seo, Woo-Young Choi, H. Kamitsuna, Minoru Ida and Kenji Kurishima

60GHz Radio-on-Fiber systems using optically injection-locked self oscillating optoelectronic mixers based on InP/InGaAs HPTs

    OFC/NFOEC OWG6, Anaheim, California, USA, March 5-10, 2006.

2005

Pyung-Su Han and Woo-Young Choi

1.25/2.5-Gb/s Dural Bit-Rate Burst-Mode Clock Recovery Circuit Using Gate-Oscillators

    2005 International SoC Design Conference, pp.251-255, COEX Conference Center, Seoul, Korea, 20-21, Oct., 2005

2005

Du-ho Kim, Pyung-su Han, Woo-Young Choi

Interpolating-Gated-Oscillator CDR

    ISOCC2005 Chip Design Contest, pp.235-238, COEX Conference center, Seoul, Korea, Oct. 20-21, 2005

2005

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

Conversion Efficiency of EAM Optoelectronic Frequency Down-Convertors

    General Assembly of International Union of Radio Science, CP2, New Delhi, India, Oct. 23-29, 2005

2005

Du-ho Kim, Pyung-su Han and Woo-Young Choi

A Novel Gated-Oscillator CDR with Robustness to Duty Cycle Distortion

    International SOC desing conference, pp.235-238, COEX Conference center, Seoul, Korea, Oct. 20-21, 2005

2005

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

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

    International SOC desing conference, pp. 247-250, COEX Conference center, Seoul, Korea, Oct. 20-21, 2005

2005

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

Millimeter-wave InP/InGaAs HPT optoelectronic mixers and their application to 60GHz bi-directional radio-on-fiber systems

    International Topical Meeting on Microwave Photonics, pp. 333-336, Seoul, Oct. 12-14, 2005

2005

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

Conversion Efficiency Characteristics of Cascaded SOA-EAM Frequency Up/Down-Converters

    International Topical Meeting on Microwave Photonics, pp.107-110, Seoul, Oct. 12-14, 2005

2005

Chang-Soon Choi, Jun-Hyuk Seo, Woo-Young Choi, *H. Kamitsuna, *Minoru Ida and *Kenji Kurishima *NTT Photonics Laboratories, Japan

Radio-on-fiber downlink transmission systems based on optically controlled InP/InGaAs HPT oscillators

    IEEE MTT-S International Microwave Symposium, pp.11-14, June, Long Beach, USA, 2005

2005

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

Bi-directional 60 GHz Radio-on-Fiber Systems using Cascaded SOA-EAM Frequency Up/Down-converters

    IEEE MTT-S International Microwave Symposium, pp.3-6, June, Long Beach, USA, 2005

2005

Chang-Soon Choi, Jae-Young Kim, Hong-Seung Kim, Eun-Soo Nam and Woo-Young Choi

Gigabit data transmission in fiber-optic/60GHz-band links using InP Heterojunction phototransistors

    The 7th Topical Symposium on Millimeter-wave, pp. 167-170, Seoul, Feb. 2005

2005

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

Fiber-supported millimeter-wave data transmission systems based on InP HEMTs

    The 6th Korea-Japan Joint Workshop on Microwave and Millimeter-wave Photonics, pp. 8-11, January, Gyeongju, Korea, 2005

2005

Jae-Young Kim, Chang-Soon Choi, Hong-Seong Kim, Eun-Soo Nam and Woo-Young Choi

Equivalent circuit models for InP/InGaAs HPT

    The 6th Korea-Japan Joint Workshop on Microwave and Millimeter-wave Photonics, pp. 91-94, January, Gyeongju, Korea, 2005

2005

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

Cascaded SOA-EAM Configuration for Millimeter-wave Frequency Up/Down-conversion

    The 6th Korea-Japan Joint Workshop on Microwave and Millimeter-wave Photonics, pp. 35-38, January, Gyeongju, Korea, 2005

2005

Chang-Soon Choi, Jun-Hyuk Seo, Dae-Hyun Kim, Kwang-Seok Seo and Woo-Young Choi

Radio-on-fiber downlink systems based on InP HEMT oscillators

    CPT 2005, pp.72-73, Tokyo, Jan. 2005

2004

Pyung-Su Han and Woo-Young Choi

1Gb/s gated-oscillator based burst mode CDR with half-rate clock recovery

    2004 International SoC Design Conference, pp. 305-308, COEX ASEM Hall, Seoul, Korea, 25-26-Oct., 2004

2004

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

Frequency Conversion with Cascaded SOA-EAM for Bi-directional Radio-on-Fiber Systems

    IEEE International Topical Meeting on Microwave Photonics, pp. 56-59, Ogunquit, USA, Oct. 4-6, 2004

2004

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

A Millimeter-Wave Photonic Vector-Sum Phase Shifter Using Polarization Maintaining Fibers

    IEEE International Topical Meeting on Microwave Photonics, pp. 52-55, Ogunquit, USA, Oct. 4-6, 2004

2004

Jae-Wook Lee, Bhum-Cheol Lee, and Woo-Young Choi

A 2-Gbps CMOS Adaptive Line Equalizer

    The Fourth IEEE Asia-Pacific Conference on Advanced System Integrated Circuits(AP-ASIC 2004), pp. 244-247, Fukuoka International Congress Center, Fukuoka, Japan, August 4-5, Japan

2004

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

Characteristics of InP HEMT Harmonic Optoelectronic Mixers and Their Application to 60GHz Radio-on-Fiber Systems

    International Microwave Symposium, pp.401-404, Jun. 5-11, 2004 Fort Worth, Texas, U.S.A.

2004

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

Generation and transmission of 17-GHz optical sideband signals using a 2.5-Gb/s-grade DFB laser with wavelength selective gain from an FP laser

    Conference on Laser & Electro-Optics (CLEO), pp.CTuN7, May. 16-21, San Francisco, USA 2004

2004

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

Millimeter-wave InP HEMT Optoelectronic Mixers

    The 5th Japan-Korea Joint Workshop on Microwave and Millimeter-Wave Photonics, pp.19-22, Piazza Ohmi, Nionohama 1-1-20, Otsu, Shiga, Japan, Jan. 29-30, 2004

2004

Kwang-Hyun Lee and Woo-Young Choi

A Novel Photonic Vector-Sum Phase Shifter using Polarization Maintaing Fibers

    The 5th Japan-Korea Joint Workshop on Microwave and Millimeter-Wave Photonics, pp.155-158, Piazza Ohmi, Nionohama 1-1-20, Otsu, Shiga, Japan, Jan. 29-30, 2004

2004

Chang-Soon Choi and Woo-Young Choi

Millimeter-wave optoelectronic mixers based on InP HEMTs (Invited paper)

    IEEE LEOS Annual Meeting, Puerto Rico, USA

2003

Ki-Hyuk Lee and Woo-Young Choi

Measurement of SOA Differential Carrier Lifetimes and a-Factors using SOA Optical Modulation Responses

    LEOS 2003, Tucson, USA, pp.890-891, Oct. 29-30, 2003

2003

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

Optical Single Sideband Modulation Using an Injection-Locked Semiconductor Laser as an Optical Filter

    International Topical Meeting on Microwave Photonics, pp.223-226, Sep. 10-12, Budapest, Hungary, 2003

2003

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

High Conversion Gain Millimeter-wave Optoelectronic Mixer based on InAlAs/InGaAs Metamorphic HEMT

    International Topical Meeting on Microwave Photonics, pp.105-108, Sep. 10-12, Budapest, Hungary, 2003

2003

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

Nonlinear Characteristics of an SOA Photonic Frequency Up-converter

    International Topical Meeting on Microwave Photonics, pp.109-112, Sep. 10-12, Budapest, Hungary, 2003

2003

Chang-Soon Choi, Woo-Young Choi, Dae-Hyun Kim and Kwang-Seok Seo

A Millimeter-wave Harmonic Optoelectronic Mixer based on InAlAs/InGaAs Metamorphic HEMT

    The International Microwave Symposium, pp.1383-1386, Philadelphia, USA, Jun. 8-13, 2003

2003

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

Remote Photonic Frequency-Upconversion using a Semiconductor Optical Amplifier for WDM / Broadband Radio-on-Fiber Links

    The 4th Korea-Japan Joint Workshop on Microwave-Photonics, pp.201-205, Daejon, Korea, Jan. 23-24, 2003

2003

Kwang-Hyun Lee, Woo-Young Choi, S. Choi, and K. Oh

A Novel Tunable Fiber-Optic Microwave Filter using Multimode DCF

    The 4th Korea-Japan Joint Workshop on Microwave-Photonics, pp.109-112, Daejon, Korea, Jan. 23-24, 2003

2003

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

WDM/Radio-on-Fiber Distribution Using Remote Photonic Frequency-Upconversion

    Contemporary Photonics Technology, pp.115-116, Tokyo, Japan, Jan. 15-17, 2003

2003

Chang-Soon Choi, Woo-Young Choi, Dae-Hyun Kim, Kwang-Seok Seo

InA1As/InGaAs Metamorphic HEMT as a photodetector and an optoelectronic up-converter for radio-on-fiber applications

    The 4th Korea-Japan Joint Workshop on Microwave-Photonics, pp.37-40, Daejon, Korea, Jan. 23-24, 2003

2002

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

"All-Optical Frequency Up-conversion Using a Semiconductor Optical Amplifier"

    MWP 2002, pp.117-120, Nov. 5-8, 2002

2002

K.H. Lee, H.Y.Choi and W.Y.Choi

"Analysis of Chromatic Dispersion Induced Second Harmonic Distortions Including Semiconductor Laser Dynamics"

    MWP 2002, pp.133-136, Nov. 5-8, 2002

2002

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

A 1Gbps COMS Data Retiming Circuit using Synchronous Digital Phase Aligners

    COIN 2002, pp., Jul. 21-25, 2002

2002

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

"All optical signal up-conversion at K-band using SOA"

    The 3rd Japan-Korea Joint Workshop on Microwave and Millimeter-Wave Photonics, pp.119-122, Jan. 24-25, 2002

2002

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

"Analysis and Suppression of Dynamic Nonlinear Distortions in Semiconductor Laser Diodes (Invited Paper)"

    CPT2002, pp.151-154, Jan. 15-17, 2002

2001

Y.-S. Cho, S.-I. Kim, and W.-Y. Choi

"A New Wavelength Converter With Tunalbe Output Wavelength Based on a Self-Seeded Fabry-Perot Laser"

    OECC/IOOC 2001 Conference Incorporating ACOFT, pp.214-215, Jul. 2-5, 2001

2001

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

"Enhancement of Locking Bandwidth in DFB Lasers by Side-Mode Injection-Locking"

    OECC/IOOC 2001 Conference Incorporating ACOFT, pp.547-548, Jul. 2-5, 2001

2001

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

" Injection-locked Semiconductor Lasers for Radio-on-Fiber Applications "

    2001 URSI International Symposium on Signals, Systems, and Electroics(ISSSE`01), pp.250-253, Jul. 24-27, 2001

2001

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

"Nonlinear Distortion Suppression in Directly Modulated DFB Lasers by Sidemode Optical Injection"

    International Microwave Symposium, pp., Mar. 20-25, 2001

2001

Y.-K.Seo A-J.Kim, J.-T.Kim and W.-Y.Choi

"Optical generation of millimeter-waves using injection-locked four-wave-mixing modes in semiconductor lasers"

    The 2nd Korea-Japan Joint Workshop on Microwave-Photonics, pp.137-140, Feb. 1-2, 2001

2001

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

Nonlinear Distortion Suppression in Directly Modulated DFB-LDs by Sidemode Optical Injection

    The 2nd Korea-Japan Joint Workshop on Microwave-Photonics, pp.59-62, Feb. 1-2, 2001

2001

J.-T. Kim, Y.-K. Seo, and W.-Y. Choi

"Spectral Behaviors of Semiconductor Lasers Locked to External Light Injection from a Current-Modulated Laser"

    Proceedings of SPIE, pp.316-324, Jan. 22-26, 2001

2001

Y.-K. Seo, W.-Y. Choi

"Influence of Unselected Master Laser Sidebands on the Spectral Characteristics of Beat Sideband Injection-Locking"

    International Topical Meeting on Microwave Photonics, pp.109-112, Jan. 7-9, 2001

2000

Y.-K. Seo, A.-J. Kim and W.-Y. Choi

"Optical Millimeter-Wave Generation by Locking of Four-Wave-Mixing Conjugate Modes in DFB Lasers"

    LEOS 2000 Annual Meeting, pp.78-79, Nov. 13-14, 2000

2000

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

"Dependence of semiconductor laser intermodulation distortions on fiber length and its reduction by optical injection locking "

    International topical meeting on Microwave Photonics: MWP 2000, pp.186-189, Sep. 11-13, 2000

2000

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

"Analysis of a Novel Elevated Source Drain MOSFET with Reduced Gate-Induced Drain-Leakage Current"

    2000 IEEE Hong Kong Electron Devices Meeting, pp., Jun. 24, 2000

2000

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

"A New Self-Aligned Asymmetric Structure(SAAS) for 0.1um MOSFET Technology"

    2000 IEEE Hong Kong Electron Devices Meeting, pp., Jun. 28-30, 2000

2000

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

"Analysis of a High Performance Self-Aligned Elevated Source Drain MOSFET with Reduced Gate-Induced Drain-Leakage"

    2000 Asia-Pacific Workshop on Fundamental and Application of Advanced Semiconductor Devices, pp., Jun. 28-30, 2000

2000

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

"A Study on the Characteristics of High Performance Self-Aligned Asymmetric Structure (SAAS) "

    2000 Asia-Pacific Workshop on Fundamental and Application of Advanced Semiconductor Devices, pp., Jun. 28-30, 2000

2000

Yong-Sang Cho and Woo-Young Choi

"Polarization-dependent optical gain characteristics of delta-strained QWs for semiconductor optical amplifiers"

    Proceedings of SPIE 2000, pp.3944-20, Feb. , 2000

2000

S.H. Lee, N.M. Kwak, K. Cho and W.-Y. Choi

"All-optical mm-wave photonic carrier generation using Fabry-Perot Etalon"

    Japan-Korea Joint Workshop on Microwave Photonics, pp., Feb. 2-3, 2000

2000

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

"Nonlinear distortion suppression in Fabry-Perot semiconductor lasers by optical injection locking"

    Japan-Korea Joint Workshop on Microwave Photonics, pp., Feb. 2-3, 2000

1999

Young-Kwang Seo and Woo-Young Choi

"Spectral characteristics of semiconductor lasers under strong optical injection"

    International Topical Meeting on Microwave Photonics, pp.185-188, Nov. 17-19, 1999

1999

Myung-Su Lee, Tae-Sik Cheung, and Woo-Young Choi

"A novel charge pump PLL with reduced jitter characteristics"

    ICVC'99 (International Conference on VLSI and CAD), pp.596-598, Oct. 26-27, 1999

1999

Young-Kwang Seo and Woo-Young Choi

"Analysis of transmission performance enhancement with injection-locked semiconductor lasers"

    CLEO PR '99, pp.vol. 3, pp. 916-917, Aug. 8.30~9.3, 1999

1999

Seung-Woo Lee, Eun-Chang Choi and Woo-Young Choi

"Optical interconnection system analysis using SPICE"

    CLEO PR '99, pp.Vol. 2, pp. 391-392, Aug. 8.30~9.3, 1999

1998

Y.-H. Choi and W.-Y. Choi

"Modeling and optimization of GaAs/AlGaAs MQW surface reflection all-optical switches"

    Proceedings of I998 International Photonics Conference, pp.40-42, Dec. 15-18, 1998

1998

S.W. Lee, E.C. Choi and W.-Y. Choi

A new model for optical interconnection systems including LD turn-on delay effects

    LEOS'98 Conference Proceedings, pp.170-171, Dec. 1-4, 1998

1998

T.-S. Cheung, W.-Y. Choi, B.-R. Kim, E.-C. Choi

A Novel 10 GHz-Range Voltage-Controlled Differential Ring Oscillator

    Proc of ITC-CSCC '98, pp.1461-1464, Jul. 13-15, 1998

1998

Y.S. Cho, W.-Y. Choi, Y.H. Park, H.T. Yi, S. Lee, D.H. Woo, M.S. Oh, J.S. Yahng, H. J. Kim, S.H. Kim, J.C. Yi

Numerical analysis of quantum well with strained thin layers for polarization insensitive optical amplifiers

    *Photonics Research Center,KIST **HongIk Univ.

1997

D.-W. Kim and W.-Y. Choi

"Analysis of harmonic distortions in MQW laser diodes using an equivalent circuit model"

    Technical Digest of OECC'97, pp.336-337, Jul. 9, 1997

1997

T.S. Cheung, S.O. Jeon, W.-Y. Choi, B.R. Kim, and E.C. Choi

"Design of Charge - pumped loop filter for GHz-range Phase-Locked Looops with GaAs MESFET"

    Proc of ITC-CSCC '97, pp.785-788, Jul. 14-16, 1997

1997

J.M. Choi, J.I. Han, W.-Y. Choi, and B.R. Kim

"Design of a Viterbi decoder with sequence-processing capability"

    Proc of ITC-CSCC '97, pp.701-704, Jul. 14-16, 1997

1996

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

"Coupling coefficient calculation for laterally-coupled distributed feedback lasers"

    Proc. of OECC '96, pp.78, Jul. , 1996

1996

D.S. Jung, K.W. Kim, J.Y. Kim, B.C. Lee, W.-Y. Choi, and B.R. Kim

"Design of high-speed voltage-controlled ring oscillation with reduced gain"

    Proc. of ITC-CSCC '96, pp.967, Jul. 15-17, 1996

1995

W.-Y. Choi and R. Takahashi, Y. Kawamura, T. Kagawa, and H. Iwamura

"A multiple-output high-speed all-optical demultiplexer based on low-temperature-grown Be-doped strained InGaAs/InGaAlAs multiple quantum wells"

    Proc. of 21st European Conf. on Optical Comm., pp.953, Mar. , 1995

1995

W.-Y. Choi, R. Takahashi, Y. Kawamura, and H. Iwamura,Ext.

"Femtosecond all-optical And grates based on low-temperature-grown Be-doped strained InGaAs/InGaAlAs multiple quantum wells"

    Abst. of 56th Aut. Meet of Japan Soc. of App. Phys., pp.876, Mar. , 1995

1995

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

"1.5um multiple-output high-speed all-optical demultiplexer based on LT-grown Be-doped strained MQWs"

    Abst. of 56th Aut. Meet of Japan Soc. of App. Phys., pp.876, Mar. , 1995

1993

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

Absorption and photoluminescence investigations of exitonic transitions in complessively strained InGaAs and InGaAlAs quantum wells

    Proceed. of 5th Intern. Conf. on InP and Relat. Mater., pp.477, . , 1993

1993

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

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

    Proceed. of N.A MBE Conf., pp., . , 1993 C.A. U.S.A.


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