Search Results - "Roh, Sookyoung"
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Overview of the characteristics of micro- and nano-structured surface plasmon resonance sensors
Published in Sensors (Basel, Switzerland) (01-02-2011)“…The performance of bio-chemical sensing devices has been greatly improved by the development of surface plasmon resonance (SPR) based sensors. Advancements in…”
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Journal Article Book Review -
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Current status of micro- and nano-structured optical fiber sensors
Published in Optical fiber technology (01-06-2009)“…Recently developed micro- and nano-structured optical fiber sensors, with particular reference to surface plasmon resonance (SPR) fiber sensors and photonic…”
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Channel-Spacing- and Wavelength-Tunable Multiwavelength Fiber Ring Laser Using Semiconductor Optical Amplifier
Published in IEEE photonics technology letters (01-11-2006)“…We have demonstrated a channel-spacing- and wavelength-tunable multiwavelength fiber ring laser based on a semiconductor optical amplifier and a tunable comb…”
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Airy Beam Excitation Using a Subwavelength Metallic Slit Array
Published in IEEE photonics technology letters (15-08-2012)“…A novel method for launching an Airy wave packet based on a metallic slit array with stepped-height is proposed. By appropriately adjusting the amplitude and…”
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Experimental demonstration of enhancing pump absorption rate in cladding-pumped ytterbium-doped fiber lasers using pump-coupling long-period fiber gratings
Published in IEEE photonics technology letters (01-03-2006)“…A long-period fiber grating (LPFG) was inscribed in a single-mode fiber and was spliced with a ytterbium (Yb)-doped double-clad fiber in order to couple pump…”
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Simultaneous measurement of strain and temperature incorporating a long-period fiber grating inscribed on a polarization-maintaining fiber
Published in IEEE photonics technology letters (01-09-2004)“…Simultaneous measurement of strain and temperature was demonstrated by using a long-period fiber grating inscribed on a polarization-maintaining fiber…”
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Journal Article -
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Highly-Sensitive and -Linear Cryogenic Temperature Response of Long-Period Fiber Gratings Written on B--Ge-Codoped Photosensitive Fiber
Published in Japanese Journal of Applied Physics (01-09-2012)“…In this paper, we report the highly-sensitive and -linear cryogenic temperature response of long-period fiber gratings (LPFGs) written on B--Ge-codoped…”
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Tunable dispersion slope compensator using a chirped fiber Bragg grating tuned by a fan-shaped thin metallic heat channel
Published in IEEE photonics technology letters (01-01-2006)“…An electrically tunable dispersion slope compensator using a chirped fiber Bragg grating tuned by quadratic temperature distribution is demonstrated. A…”
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Highly Efficient Color Separation and Focusing in the Sub-micron CMOS Image Sensor
Published in 2021 IEEE International Electron Devices Meeting (IEDM) (01-01-2021)“…We report nanoscale metaphotonic color-routing (MPCR) structure that can significantly improve the low-light performance of a sub-micron CMOS image sensor…”
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Conference Proceeding -
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Tunable Polarization-Dependent Chromatic Dispersion Compensator Using an Unapodized Chirped Fiber Bragg Grating Inscribed on a High-Birefringence Fiber
Published in Japanese Journal of Applied Physics (01-07-2005)“…A novel application of an unapodized chirped fiber Bragg grating inscribed on a high-birefringence fiber is reported. We utilized a dispersionless band of the…”
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Liquid-Crystal-Cladding Fiber Bragg Gratings with Electrically Controllable Polarization-Dependent Characteristics
Published in Japanese Journal of Applied Physics (01-05-2006)Get full text
Journal Article -
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Plasmonic nano-rods structure generating rotational fields for polarization sensing
“…We numerically analyze a plasmonic nano-rods structure generating rotational fields. The circularly symmetric nanostructure can induce rotational fields in…”
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Conference Proceeding -
14
A compact light concentrator by the use of plasmonic faced folded nano-rods
Published in Optics express (10-10-2011)“…We propose a compact nano-metallic structure for enhancing and concentrating far-field transmission: a faced folded nano-rod (FFR) unit, composed of two folded…”
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Characteristics of Image Sensors with Metaphotonic Color-Routing Nanostructures and the Rapid Resolution-Restoring Demosaic Algorithm
Published in 2023 Conference on Lasers and Electro-Optics (CLEO) (01-05-2023)“…We simulate characteristics of colour-routing image sensors revealing higher peak-SNR and color fidelity with slightly degraded spatial resolutions compared to…”
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Conference Proceeding -
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Code reusuable optical CDMA system using an array of superstructured fiber Bragg gratings
Published in Optical fiber technology (01-03-2009)“…We have proposed a user extensible optical CDMA system which employs a repeated use of codes in the encoders and the decoders. In this study, we report the…”
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Journal Article -
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Multiwavelength switchable SOA-fiber lasers using comb filters
Published in COIN-NGNCON 2006 - The Joint International Conference on Optical Internet and Next Generation Network (01-07-2006)“…Various schemes for multiwavelength SOA-fiber lasers are reviewed. Comb filters based on polarization-diversity loop configuration are suitable for…”
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Conference Proceeding -
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Metaphotonic Color-Routing Nanostructures for Sub-micron Scale CMOS Image Sensors
Published in 2022 Conference on Lasers and Electro-Optics (CLEO) (01-05-2022)“…We design color-routing nanostructures that can spectrally guide light into a Bayer array. To demonstrate, we fabricated 1.0-0.5 um pixel Bayer arrays composed…”
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Conference Proceeding -
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Optical design of dispersive metasurface nano-prism structure for high sensitivity CMOS image sensor
Published in 2023 International Electron Devices Meeting (IEDM) (09-12-2023)“…In this paper, a meta-photonic structure called nano-prism (NP) is designed by Full EM-wave analysis tool, rigorous coupled wave analysis (RCWA), and…”
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Conference Proceeding