• 1761 Citations
  • 22 h-Index
1991 …2019
If you made any changes in Pure these will be visible here soon.

Research Output 1991 2019

2019

A 4×25-Gbps Monolithically Integrated Si Photonic WDM Transmitter with Ring Modulators

Kim, M., Park, K., Oh, W. S., Mai, C., Lischke, S., Zimmermann, L. & Choi, W-Y., 2019 May 14, 2019 8th Annual IEEE Photonics Society Optical Interconnects Conference, OI 2019. Institute of Electrical and Electronics Engineers Inc., 8714557. (2019 8th Annual IEEE Photonics Society Optical Interconnects Conference, OI 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wavelength division multiplexing
Photonics
transmitters
Modulators
modulators

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

Kim, M. H., Zimmermann, L. & Choi, W-Y., 2019 Feb 15, In : Journal of Lightwave Technology. 37, 4, p. 1200-1206 7 p., 8598657.

Research output: Contribution to journalArticle

light modulation
integrated circuits
modulators
controllers
rings

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

Kim, Y., Yang, J. T. & Choi, W-Y., 2019 Jan 1, In : Japanese Journal of Applied Physics. 58, 4, 042004.

Research output: Contribution to journalArticle

Semiconductor lasers
semiconductor lasers
heat
sinking
High power lasers

Parametric optimization of depletion-type Si micro-ring modulator performances

Kim, Y., Jo, Y., Kim, M., Yu, B. M., Mai, C., Lischke, S., Zimmermann, L. & Choi, W-Y., 2019 Jan 1, In : Japanese Journal of Applied Physics. 58, 6, 062006.

Research output: Contribution to journalArticle

Open Access
Modulators
modulators
depletion
optimization
rings
2018
Clock and data recovery circuits (CDR circuits)
Pulse amplitude modulation
Clocks
Detectors
Recovery
4 Citations (Scopus)

A large-signal equivalent circuit for depletion-type silicon ring modulators

Kim, M., Shin, M., Kim, M. H., Yu, B. M., Mai, C., Lischke, S., Zimmermann, L. & Choi, W-Y., 2018 Jun 13, 2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1-3 3 p. (2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon
equivalent circuits
Equivalent circuits
Modulators
modulators

A large-signal equivalent circuit for depletion-type silicon ring modulators

Kim, M., Shin, M., Kim, M. H., Yu, B. M., Mai, C., Lischke, S., Zimmermann, L. & Choi, W. Y., 2018 Jan 1, Optical Fiber Communication Conference, OFC 2018. OSA - The Optical Society, Vol. Part F84-OFC 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon
Equivalent circuits
Modulators
SPICE
Photonics

A Wavelength Stabilization Integrated Circuit for 25-Gb/s Si Micro-Ring Modulator

Kim, M. H., Zimmermann, L. & Choi, W-Y., 2018 Jul 1, 23rd Opto-Electronics and Communications Conference, OECC 2018. Institute of Electrical and Electronics Engineers Inc., 8729989. (23rd Opto-Electronics and Communications Conference, OECC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulators
integrated circuits
Integrated circuits
modulators
Stabilization

Modeling-Depletion-Type Si Ring Modulators

Choi, W-Y., Kim, M., Shin, M., Yu, B. M., Mai, C., Lischke, S. & Zimmermann, L., 2018 Jul 1, 23rd Opto-Electronics and Communications Conference, OECC 2018. Institute of Electrical and Electronics Engineers Inc., 8730071. (23rd Opto-Electronics and Communications Conference, OECC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulators
modulators
depletion
photonics
Photonic devices
4 Citations (Scopus)
Photodetectors
avalanches
photometers
CMOS
Silicon
7 Citations (Scopus)

Single-chip si optical single-sideband modulator

Yu, B. M., Lee, J. M., Mai, C., Lischke, S., Zimmermann, L. & Choi, W. Y., 2018 Jan 1, In : Photonics Research. 6, 1, p. 6-11 6 p.

Research output: Contribution to journalArticle

sidebands
Modulators
modulators
chips
quadratures
2017
1 Citation (Scopus)

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

Jung, H. Y., Lee, J. M., Lischke, S., Knoll, D., Zimmermann, L. & Choi, W. Y., 2017 Sep 1, In : IEEE Photonics Technology Letters. 29, 17, p. 1483-1485 3 p., 7990195.

Research output: Contribution to journalArticle

Optical receivers
Photodetectors
Bit error rate
Energy efficiency
receivers

A 3.5/7.0/14-Gb/s multi-rate clock and data recovery circuit with a multi-mode rotational binary phase detector

Pyun, K. H., Kwon, D. H. & Choi, W. Y., 2017 Jan 3, 2016 IEEE Asia Pacific Conference on Circuits and Systems, APCCAS 2016. Institute of Electrical and Electronics Engineers Inc., p. 327-329 3 p. 7803966

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Clock and data recovery circuits (CDR circuits)
Detectors
Variable frequency oscillators
Energy efficiency
Clocks
2 Citations (Scopus)

A 5-8 Gb/s low-power transmitter with 2-tap pre-emphasis based on toggling serialization

Kim, S. G., Kim, T., Kwon, D. H. & Choi, W-Y., 2017 Feb 6, 2016 IEEE Asian Solid-State Circuits Conference, A-SSCC 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 249-252 4 p. 7844182. (2016 IEEE Asian Solid-State Circuits Conference, A-SSCC 2016 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transmitters
Energy efficiency
Electric power utilization
Networks (circuits)
Electric potential
8 Citations (Scopus)

A linear equivalent circuit model for depletion-type silicon microring modulators

Shin, M., Ban, Y., Yu, B. M., Kim, M. H., Rhim, J., Zimmermann, L. & Choi, W-Y., 2017 Mar 1, In : IEEE Transactions on Electron Devices. 64, 3, p. 1140-1145 6 p., 7835671.

Research output: Contribution to journalArticle

Silicon
Equivalent circuits
Modulators
Modulation
Light modulation
4 Citations (Scopus)

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

Kim, M. H., Yu, B. M. & Choi, W-Y., 2017 Dec 1, In : IEEE Photonics Technology Letters. 29, 23, p. 2043-2046 4 p., 8066353.

Research output: Contribution to journalArticle

Modulators
Mach number
integrated circuits
Integrated circuits
modulators
1 Citation (Scopus)

A monolithically integrated 25-gb/s optical receiver based on photonic bicmos technology

Jung, H. Y., Lee, J. M., Kim, M., Choi, W-Y., Lischke, S., Knoll, D. & Zimmermann, L., 2017 Nov 22, 2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-3 3 p. (2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical receivers
BiCMOS technology
Equivalent circuits
Photonics
Electronic equipment

A monolithically integrated 25-Gb/s optical receiver based on photonic BiCMOS technology

Jung, H. Y., Lee, J. M., Kim, M., Choi, W-Y., Lischke, S., Knoll, D. & Zimmermann, L., 2017 Jan 1, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2017. OSA - The Optical Society, s1182. (Optics InfoBase Conference Papers; vol. Part F122-CLEOPR 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical receivers
BiCMOS technology
Equivalent circuits
Photonics
Electronic equipment
2 Citations (Scopus)

A monolithically integrated Si optical single-sideband modulator

Yu, B. M., Lee, J. M., Mai, C., Lischke, S., Zimmermann, L. & Choi, W-Y., 2017 Oct 24, 14th International Conference on Group IV Photonics, GFP 2017. Institute of Electrical and Electronics Engineers Inc., p. 165-166 2 p. 8082248. (14th International Conference on Group IV Photonics, GFP 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

sidebands
Modulators
modulators
couplers
quadratures
1 Citation (Scopus)

Influence of dynamic power dissipation on Si MRM modulation characteristics

Yu, B. M., Shin, M., Kim, M. H., Zimmermann, L. & Choi, W-Y., 2017 Jul 10, In : Chinese Optics Letters. 15, 7, 071301.

Research output: Contribution to journalArticle

Modulators
modulators
Energy dissipation
dissipation
Modulation
4 Citations (Scopus)

Series resistance influence on performance of waveguidetype germanium photodetectors on silicon

Lee, J. M., Kim, M. & Choi, W-Y., 2017 Oct 10, In : Chinese Optics Letters. 15, 10, 100401.

Research output: Contribution to journalArticle

Germanium
Silicon
Photodetectors
photometers
germanium
2016

A 10-Gb/s multiphase clock and data recovery circuit with a rotational bang-bang phase detector

Kwon, D. H., Rhim, J. & Choi, W-Y., 2016 Jun 1, In : Journal of Semiconductor Technology and Science. 16, 3, p. 287-292 6 p.

Research output: Contribution to journalArticle

Clock and data recovery circuits (CDR circuits)
Clocks
Detectors
Recovery
Jitter

A low-voltage PLL with a current mismatch compensated charge pump

Kim, S. G., Rhim, J., Kwon, D. H., Kim, M. H. & Choi, W. Y., 2016 Feb 8, ISOCC 2015 - International SoC Design Conference: SoC for Internet of Everything (IoE). Institute of Electrical and Electronics Engineers Inc., p. 15-16 2 p. 7401629

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase locked loops
Pumps
Electric potential
Networks (circuits)
Feedback
12 Citations (Scopus)

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

Kim, S. G., Rhim, J., Kwon, D. H., Kim, M. H. & Choi, W-Y., 2016 Jun 1, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 63, 6, p. 548-552 5 p., 7410038.

Research output: Contribution to journalArticle

Variable frequency oscillators
Phase locked loops
Electric potential
Networks (circuits)
10 Citations (Scopus)

An equivalent circuit model for a Ge Waveguide Photodetector on Si

Lee, J. M., Cho, S. H. & Choi, W-Y., 2016 Nov 1, In : IEEE Photonics Technology Letters. 28, 21, p. 2435-2438 4 p., 7572036.

Research output: Contribution to journalArticle

Photodetectors
equivalent circuits
Equivalent circuits
photometers
Waveguides
3 Citations (Scopus)

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

Kim, M. H., Jung, H. Y., Zimmermann, L. & Choi, W. Y., 2016 Jan 1, Smart Photonic and Optoelectronic Integrated Circuits XVIII. SPIE, Vol. 9751. 97510X

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulator
Modulators
Mach number
modulators
controllers
2 Citations (Scopus)

Design effects on the performance of high-speed Ge photo detectors

Lischke, S., Knoll, D., Mai, C., Kroh, M., Schmidt, D., Peczek, A., Kreisl, J., Lee, J. M., Kim, M., Choi, W. Y. & Zimmermann, L., 2016 Nov 8, 2016 IEEE 13th International Conference on Group IV Photonics, GFP 2016. IEEE Computer Society, Vol. 2016-November. p. 22-23 2 p. 7739076

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photodiodes
Frequency response
Diodes
Waveguides
Detectors
6 Citations (Scopus)

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

Lee, M. J. & Choi, W-Y., 2016 Jan 1, In : IEEE Electron Device Letters. 37, 1, p. 60-63 4 p., 7312931.

Research output: Contribution to journalArticle

Silicon
Photodetectors
Metals
Bandwidth
Current voltage characteristics

Modulation performance optimization for depletion-type silicon micro-ring modulators

Rhim, J., Yu, B. M., Lee, J. M., Cho, S. H. & Choi, W-Y., 2016 Jun 1, 5th IEEE Photonics Society Optical Interconnects Conference, OI 2016. Institute of Electrical and Electronics Engineers Inc., p. 46-47 2 p. 7482998

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon
Modulators
modulators
depletion
Modulation
7 Citations (Scopus)

Parametric characterization of self-heating in depletion-type Si micro-ring modulators

Shin, M. J., Ban, Y., Yu, B. M., Rhim, J., Zimmermann, L. & Choi, W-Y., 2016 Nov 1, In : IEEE Journal on Selected Topics in Quantum Electronics. 22, 6, 7462176.

Research output: Contribution to journalArticle

Modulators
modulators
depletion
Heating
heating

Parametric characterization of self-heating in Si micro-ring modulators

Shin, M. J., Yu, B. M., Zimmermann, L. & Choi, W-Y., 2016 Nov 8, 2016 IEEE 13th International Conference on Group IV Photonics, GFP 2016. IEEE Computer Society, Vol. 2016-November. p. 66-67 2 p. 7739112

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulators
Heating
Frequency response
Modulation

Photodetection frequency response characterization for high-speed Ge-PD on Si with an equivalent circuit

Lee, J. M., Kim, M., Lischke, S., Zimmernman, L., Cho, S. H. & Choi, W-Y., 2016 Oct 26, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718501. (2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

equivalent circuits
Equivalent circuits
frequency response
Frequency response
high speed
2015
2 Citations (Scopus)

12.5-Gb/s monolithically integrated optical receiver with CMOS avalanche photodetector

Jung, H. Y., Lee, J. M., Youn, J. S., Choi, W-Y. & Lee, M. J., 2015 Apr 16, ISOCC 2014 - International SoC Design Conference. Institute of Electrical and Electronics Engineers Inc., p. 1-2 2 p. 7087543. (ISOCC 2014 - International SoC Design Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical receivers
Photodetectors
Bit error rate
Electric power utilization
Bandwidth
3 Citations (Scopus)

A clock and data recovery circuit with programmable multi-level phase detector characteristics and a built-in jitter monitor

Kwon, D. H., Park, Y. S. & Choi, W-Y., 2015 Jun 1, In : IEEE Transactions on Circuits and Systems I: Regular Papers. 62, 6, p. 1472-1480 9 p., 7112583.

Research output: Contribution to journalArticle

Clock and data recovery circuits (CDR circuits)
Jitter
Detectors
Clocks
Recovery
4 Citations (Scopus)

A high-speed CMOS integrated optical receiver with an under-damped TIA

Jung, H. Y., Lee, J. M. & Choi, W-Y., 2015 Nov 9, 2015 IEEE Photonics Conference, IPC 2015. Institute of Electrical and Electronics Engineers Inc., p. 347-350 4 p. 7323592

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical receivers
Operational amplifiers
Photodetectors
Electric power utilization
Bandwidth
12 Citations (Scopus)

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

Jung, H. Y., Lee, J. M. & Choi, W. Y., 2015 Jul 1, In : IEEE Photonics Technology Letters. 27, 13, p. 1367-1370 4 p., 7086304.

Research output: Contribution to journalArticle

Optical receivers
Operational amplifiers
Photodetectors
CMOS
Electric power utilization

A single-bit sampling demodulator for biomedical implants

Kim, D., Ko, M., Ng, D. & Choi, W-Y., 2015 Jun 8, In : Microelectronics Journal. 46, 8, p. 669-673 5 p.

Research output: Contribution to journalArticle

demodulators
phase shift keying
Demodulators
Phase shift keying
sampling
4 Citations (Scopus)

Bandwidth improvement of CMOS-APD with carrier-acceleration technique

Lee, M. J., Lee, J. M., Rücker, H. & Choi, W-Y., 2015 Jul 1, In : IEEE Photonics Technology Letters. 27, 13, p. 1387-1390 4 p., 7083731.

Research output: Contribution to journalArticle

Photodetectors
avalanches
photometers
CMOS
Metals
5 Citations (Scopus)

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

Youn, J. S., Lee, M. J., Park, K. Y., Kim, W. S. & Choi, W-Y., 2015 May 1, In : IET Circuits, Devices and Systems. 9, 3, p. 221-226 6 p.

Research output: Contribution to journalArticle

Integrated optoelectronics
Metals
Operational amplifiers
Equalizers
Photodetectors
2 Citations (Scopus)

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

Ban, Y., Yu, B. M., Rhim, J., Lee, J. M. & Choi, W. Y., 2015 Jan 1, 2015 IEEE Optical Interconnects Conference, OI 2015. Institute of Electrical and Electronics Engineers Inc., p. 134-135 2 p. 7115722

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulators
modulators
depletion
Modulation
modulation
11 Citations (Scopus)

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

Rhim, J., Ban, Y., Yu, B. M., Lee, J. M. & Choi, W. Y., 2015 Jan 1, In : Optics Express. 23, 7, p. 8762-8772 11 p.

Research output: Contribution to journalArticle

modulators
rings
silicon
electronics
equivalent circuits
2014

25-Gb/s optical transmitter with Si ring modulator and CMOS driver

Rhim, J., Lee, J. M., Yu, B. M., Ban, Y., Cho, S. H. & Choi, W-Y., 2014 Jan 1, In : Journal of the Optical Society of Korea. 18, 5, p. 564-568 5 p.

Research output: Contribution to journalArticle

transmitters
modulators
CMOS
rings
wire
5 Citations (Scopus)

A 0.4-V, 500-MHz, ultra-low-power phase-locked loop for near-threshold voltage operation

Moon, J. W., Kim, S. G., Kwon, D. H. & Choi, W. Y., 2014 Jan 1, Proceedings of the IEEE 2014 Custom Integrated Circuits Conference, CICC 2014. Institute of Electrical and Electronics Engineers Inc., 6946100

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase locked loops
Threshold voltage
Charge pump circuits
Variable frequency oscillators
Voltage control
23 Citations (Scopus)

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

Moon, J. W., Choi, K. C. & Choi, W-Y., 2014 Jan 1, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 61, 5, p. 319-323 5 p., 6805603.

Research output: Contribution to journalArticle

Phase locked loops
Pumps
Variable frequency oscillators
Tuning
Calibration
4 Citations (Scopus)

A behavior model for silicon micro-ring modulators and transmitter circuit-level simulation using it

Rhim, J., Ban, Y., Lee, J. M., Cho, S. H. & Choi, W-Y., 2014 Jan 1, IEEE International Conference on Group IV Photonics GFP. IEEE Computer Society, p. 7-8 2 p. 6962001

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon
Modulators
Transmitters
Networks (circuits)
Photonics
12 Citations (Scopus)

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

Lee, M. J., Youn, J. S., Park, K. Y. & Choi, W-Y., 2014 Feb 10, In : Optics Express. 22, 3, p. 2511-2518 8 p.

Research output: Contribution to journalArticle

avalanches
photometers
receivers
metals
amplifiers
3 Citations (Scopus)

An equivalent circuit model for germanium waveguide vertical photodetectors on Si

Lee, J. M. & Choi, W. Y., 2014 Jan 1, 2014 International Topical Meeting on Microwave Photonics / the 9th Asia-Pacific Microwave Photonics Conference, MWP/APMP 2014 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 139-141 3 p. 6994512

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Germanium
Photodetectors
Equivalent circuits
Waveguides
Optical receivers
2 Citations (Scopus)

Design optimization of hybrid-integrated 20-Gb/s optical receivers

Jung, H. Y., Youn, J. S. & Choi, W-Y., 2014 Jan 1, In : Journal of Semiconductor Technology and Science. 14, 4, p. 443-450 8 p.

Research output: Contribution to journalArticle

Optical receivers
Networks (circuits)
Buffers
Operational amplifiers
Photodetectors

Equivalent circuit models for silicon photonics devices

Choi, W. Y., Shin, M., Lee, J. M. & Zimmermann, L., 2014 Jul 21, Asia Communications and Photonics Conference, ACPC 2016. OSA - The Optical Society

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photonic devices
Silicon
Equivalent circuits
Photodetectors
Photonics

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

Park, Y. S., Kwon, D. H., Choi, K. C. & Choi, W-Y., 2014 Jun 5, In : Electronics Letters. 50, 12, p. 857-859 3 p.

Research output: Contribution to journalArticle

Variable frequency oscillators
Phase locked loops
Voltage control
Electric potential