Prof. Kyoungsik Yu Profile

Prof. Kyoungsik Yu

Professor at KAIST

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 13 March 2024 Presentation

Reconfigurable memristive active light modulation and detection based on MoTe2

Sangwoo Kim, Junghoon Park, Kyoungsik Yu

Proceedings Volume PC12888, PC128880J (2024) https://doi.org/10.1117/12.2692883

KEYWORDS: Photodetectors, Modulation, Light absorption, Lawrencium, Transition metals, Resistance, Reflectivity, Phase shift keying, Optoelectronics, Optoelectronic devices

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Proceedings Article | 13 March 2024 Presentation

Reliability assessment of a fully packaged 1x12 silicon photonic MEMS multicast switch

Jae Hyeon Kim, Dong Uk Kim, Mingi Lim, Young J. Park, Dong Ju Choi, Myung Seok Hong, Kyoungsik Yu, Sangyoon Han

Proceedings Volume PC12899, PC1289901 (2024) https://doi.org/10.1117/12.3001263

KEYWORDS: Optical switching, Microelectromechanical systems, Silicon photonics, Reliability, Optical networks, Optical communications, Phase shifts, Packaging, Industrial applications, Eye

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Proceedings Article | 9 March 2024 Presentation

Quantitative analysis of external quantum efficiencies in bilayer-based Schottky barrier photodetectors

Jongeun Seok, Yeonghoon Jin, Kyoungsik Yu

Proceedings Volume PC12882, PC128820C (2024) https://doi.org/10.1117/12.3002832

KEYWORDS: External quantum efficiency, Photodetectors, Quantitative analysis, Silicon, Near infrared, Quantum optics experiments, Quantum imaging, Quantum fields, Platinum, Metals

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SPIE Journal Paper | 24 March 2021 Open Access

32 × 32 silicon photonic MEMS switch with gap-adjustable directional couplers fabricated in commercial CMOS foundry

Sangyoon Han, Jeremy Beguelin, Lane Ochikubo, John Jacobs, Tae Joon Seok, Kyoungsik Yu, Niels Quack, Chang-Kyu Kim, Richard Muller, Ming Wu

JOM, Vol. 1, Issue 02, 024003, (March 2021) https://doi.org/10.1117/12.10.1117/1.JOM.1.2.024003

KEYWORDS: Switches, Directional couplers, Silicon photonics, Waveguides, Microelectromechanical systems, Switching, Silicon, Actuators, Semiconducting wafers, Scanning electron microscopy

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Proceedings Article | 14 March 2018 Presentation

Two-dimensional beam-steering using 1x16 silicon optical phased array with thermo-optic tunable grating radiators (Conference Presentation)

Seong-Hwan Kim, Geumbong Kang, Jeongyoon Kim, Dae-Seong Lee, Nam-Hyun Kwon, Jong-Bum You, Dong-Eun Yoo, Dong-Wook Lee, Yun-Gi Ha, Chan-Hyun Youn, Kyungsik Yu, Hyo-Hoon Park

Proceedings Volume 10537, 105370I (2018) https://doi.org/10.1117/12.2291515

KEYWORDS: Thermal optics, LIDAR, Silicon, Phased array optics, Electro optics, Phase shifts, Semiconducting wafers, Light sources, Wavelength tuning, Mid-IR

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Proceedings Article | 23 February 2018 Paper

High-efficiency power transfer for silicon-based photonic devices

Gyeongho Son, Kyoungsik Yu

Proceedings Volume 10526, 1052616 (2018) https://doi.org/10.1117/12.2287570

KEYWORDS: Waveguides, Silicon, Silicon photonics, Finite-difference time-domain method, Photonic devices, Single mode fibers, Etching, Integrated optics, Tapered optical fibers, Quantum optics

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Proceedings Article | 23 April 2017 Paper

Liquid droplet sensing using twisted optical fiber couplers fabricated by hydrofluoric acid flow etching

Gyeongho Son, Youngho Jung, Kyoungsik Yu

Proceedings Volume 10323, 103234J (2017) https://doi.org/10.1117/12.2265626

KEYWORDS: Fiber optics sensors, Liquids, Refractive index, Optical fibers, Etching, Water, Directional couplers, Fabrication, Cladding, Fiber couplers

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Proceedings Article | 9 December 2005 Paper

Characterization of MEMS optical bandpass filters with narrow transition bands

K. Yu, N. Park

Proceedings Volume 6021, 60212R (2005) https://doi.org/10.1117/12.637438

KEYWORDS: Microelectromechanical systems, Free space optics, Optical filters, Reflectors, Bandpass filters, Receivers, Mirrors, Modulation, Collimators, Actuators

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Proceedings Article | 22 January 2005 Paper

High-resolution microelectromechanical scanners for miniaturized dual-axes confocal microscopes

Hyejun Ra, Il-Woong Jung, Daesung Lee, Uma Krishnamoorthy, Kyoungsik Yu, Olav Solgaard

Proceedings Volume 5721, (2005) https://doi.org/10.1117/12.597331

KEYWORDS: Confocal microscopy, Microscopes, Scanners, Semiconducting wafers, Silicon, Photomasks, Deep reactive ion etching, Oxides, Teeth, Micromirrors

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Proceedings Article | 19 April 2002 Paper

Micro-optical phased arrays for spatial and spectral switching

Olav Solgaard, Kyoungsik Yu, Uma Krishnamoorthy, Kebin Li, Jonathan Heritage

Proceedings Volume 4755, (2002) https://doi.org/10.1117/12.462796

KEYWORDS: Micromirrors, Mirrors, Phased arrays, Interferometers, Microelectromechanical systems, Phased array optics, Actuators, Beam splitters, Electrodes, Switching

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Showing 5 of 10 publications

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