Dr. Woon-Kyung Choi Profile

Dr. Woon-Kyung Choi

Student at Univ of California Berkeley

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Author

Publications (12)

Proceedings Article | 12 February 2008 Paper

Analysis of a novel micro surface plasmon resonance sensor with attenuated total reflection mirror

Geum-Yoon Oh, Doo-Gun Kim, Woon-Kyung Choi, Young-Wan Choi

Proceedings Volume 6897, 68970A (2008) https://doi.org/10.1117/12.762071

KEYWORDS: Waveguides, Finite-difference time-domain method, Sensors, Polymers, Polymer multimode waveguides, Gold, Surface plasmons, Mirrors, Sensing systems, Prisms

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Proceedings Article | 12 February 2008 Paper

Wavelength-dependence transmission experiment of feedforward optical transmitter using light injection technique in WDM/SCM radio-over-fiber system

Yon Tae Moon, Jun Woo Jang, Woon-Kyung Choi, Young-Wan Choi

Proceedings Volume 6897, 689710 (2008) https://doi.org/10.1117/12.762024

KEYWORDS: Transmitters, Radio optics, Distortion, Particle filters, Intermodulation, Semiconductor lasers, Wavelength division multiplexing, Radio over Fiber, Light, Phase shifts

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Proceedings Article | 12 February 2008 Paper

Bio-signal processing using a novel lock-in detection technique for the portable bio-optical systems

In-Il Jung, Doo Gun Kim, Woon-Kyung Choi, Do-Gyun Kim, Young-Wan Choi

Proceedings Volume 6897, 689713 (2008) https://doi.org/10.1117/12.762998

KEYWORDS: Signal detection, Interference (communication), Linear filtering, Switches, Infrared radiation, Light emitting diodes, Signal to noise ratio, Electronic filtering, Infrared detectors, Optical amplifiers

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Proceedings Article | 29 January 2008 Paper

Three-guide coupled rectangular ring lasers with total internal reflection mirrors

Doo Gun Kim, Woon Kyung Choi, In-Il Jung, Geum-Yoon Oh, Young Wan Choi, Jong Chang Yi, Nadir Dagli

Proceedings Volume 6909, 69090D (2008) https://doi.org/10.1117/12.762030

KEYWORDS: Waveguides, Mirrors, Resonators, Output couplers, Laser resonators, Continuous wave operation, Semiconductor lasers, Etching, Directional couplers, Microrings

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Proceedings Article | 9 February 2007 Paper

Enhanced bandwidth of traveling-wave photodetector with asymmetric intrinsic region

Yon Tae Moon, Woon-Kyung Choi, Joon-Woo Jang, Young-Wan Choi, Seok Lee, Deok Ha Woo

Proceedings Volume 6471, 64711A (2007) https://doi.org/10.1117/12.699942

KEYWORDS: Microwave radiation, Photodetectors, Cladding, Waveguides, Refractive index, Indium gallium arsenide, Etching, Finite-difference time-domain method, Semiconducting wafers, Telecommunications

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Proceedings Article | 9 February 2007 Paper

Linear trans-impedance amplifier with functional active loads for analog optical communication systems

Do-Gyun Kim, Woon-Kyung Choi, Hyung-Won Kang, In-Il Jung, Young-Wan Choi

Proceedings Volume 6476, 64760G (2007) https://doi.org/10.1117/12.700000

KEYWORDS: Analog electronics, Telecommunications, Optical amplifiers, Optical communications, Transceivers, CMOS technology, Nonlinear optics, Molybdenum, Radio over Fiber, Optical circuits

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Proceedings Article | 9 February 2007 Paper

Micro ring cavity resonator incorporating total internal reflection mirrors

Doo Gun Kim, Woon Kyung Choi, Young Wan Choi, Jong Chang Yi, Youngchul Chung, Nadir Dagli

Proceedings Volume 6475, 64750Y (2007) https://doi.org/10.1117/12.700355

KEYWORDS: Mirrors, Resonators, Brain-machine interfaces, Waveguides, Cavity resonators, Photonic integrated circuits, Etching, Refractive index, Optical filters, Indium gallium arsenide

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Proceedings Article | 9 February 2007 Paper

Novel bio-signal processing technique with hybrid bio-system integrated with optical microcavity ring resonator

In-Il Jung, Doo Gun Kim, Woon-Kyung Choi, Do-Gyun Kim, Young Wan Choi

Proceedings Volume 6476, 64760X (2007) https://doi.org/10.1117/12.701552

KEYWORDS: Resonators, Signal to noise ratio, Refractive index, Waveguides, Optical microcavities, Sensors, Biosensors, Signal detection, Data acquisition, LCDs

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Proceedings Article | 7 February 2007 Paper

Demonstration of all optical logic gates by single/differential typed vertical cavity laser with depleted optical thyristor

Woon-Kyung Choi, Doo-Gun Kim, Yon-Tae Moon, Do-Gyun Kim, Hoseong Kim, Tae Kyung Chung, Young-Wan Choi, Kent Choquette, Seok Lee, Deok-Ha Woo

Proceedings Volume 6484, 64840B (2007) https://doi.org/10.1117/12.699599

KEYWORDS: Switching, Optical switching, Laser optics, Switches, Optical logic, Logic, Integrated optics, Mirrors, Logic devices, Resistors

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Proceedings Article | 20 January 2005 Paper

Vertical-injection depleted optical thyristor laser diode with InGaAs/InGaAsP MQW structure

Woon-Kyung Choi, Doo-Gun Kim, Young-Wan Choi, Seok Lee, Deok Ha Woo, Young Tae Byun, Sun Ho Kim

Proceedings Volume 5628, (2005) https://doi.org/10.1117/12.576767

KEYWORDS: Switching, Semiconductor lasers, Waveguides, Laser optics, Telecommunications, Doping, Optical switching, Fused deposition modeling, Finite difference methods, Signal detection

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Proceedings Article | 25 July 2003 Paper

Reverse-biased characteristics of GaAs/AlGaAs depleted optical thyristor with low depletion voltage

Woon-Kyung Choi, Doo-Gun Kim, Young-Wan Choi, Seok Lee, Deokha Woo, Young Tae Byun, Jae Hun Kim, Sun-Ho Kim

Proceedings Volume 4986, (2003) https://doi.org/10.1117/12.478321

KEYWORDS: Switching, Doping, Fused deposition modeling, Finite difference methods, Electrons, Optoelectronics, Optical switching, Computer simulations, Gallium arsenide, Gallium

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SPIE Journal Paper | 1 April 2003

Optical characteristics of PnpN optical thyristor operating at 1.55 um

Doo-Gun Kim, Hee-Hyun Lee, Woon-Kyung Choi, Jung-Jun Lee, Young-Wan Choi, Sang Bae Lee, Deokha Woo, Young Byun, Jung-Hee Kim, Sun-Ho Kim, N. Futakuchi, Yoshiaki Nakano

OE, Vol. 42, Issue 04, (April 2003) https://doi.org/10.1117/12.10.1117/1.1557160

KEYWORDS: Switching, Waveguides, Doping, Optical switching, Fused deposition modeling, Optoelectronics, Switches, Photonics, Optical communications, Nonlinear optics

Showing 5 of 12 publications

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