Search Results - "Choi, ChulSoo"

Deflection angle switching with a metasurface based on phase-change nanorods [Invited] by Chulsoo Choi, Chulsoo Choi, Sun-Je Kim, Sun-Je Kim, Jeong-Geun Yun, Jeong-Geun Yun, Jangwoon Sung, Jangwoon Sung, Seung-Yeol Lee, Seung-Yeol Lee, Byoungho Lee, Byoungho Lee

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Two‐Dimensional Angular Bandwidth Broadening of Metasurface Grating by Choi, Chulsoo, Choi, Taewon, Yun, Jeong-Geun, Yoo, Chanhyung, Lee, Byoungho

“…Waveguide‐type near‐eye displays (NED) have attracted increasing attention in the market of augmented reality (AR) and virtual reality (VR) devices, thanks to…”
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Broadband wavelength demultiplexer using Fano-resonant metasurface by Mun, Sang-Eun, Choi, Chulsoo, Hong, Jongwoo, Lee, Byoungho

“…Fano resonance, one of the interesting resonance phenomena in physics, provides versatile applications when combined with a concept of metasurface in…”
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Dynamic phase-change metafilm absorber for strong designer modulation of visible light by Kim, Sun-Je, Yun, Hansik, Choi, Sungwook, Yun, Jeong-Geun, Park, Kyungsoo, Jeong, Sun Jae, Lee, Seung-Yeol, Lee, Yohan, Sung, Jangwoon, Choi, Chulsoo, Hong, Jongwoo, Lee, Yong Wook, Lee, Byoungho

“…Effective dynamic modulation of visible light properties has been significantly desired for advanced imaging and sensing technologies. In particular,…”
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Noninvasive identification of viable cell populations in docetaxel-treated breast tumors using ferritin-based magnetic resonance imaging by Choi, YoonSeok, Kim, Hoe Suk, Cho, Kyoung-Won, Lee, Kyung-Min, Yi, Yoon Jung, Eun, Sung-Jong, Kim, Hyun Jin, Woo, Jisu, Choi, Seung Hong, Whangbo, Taeg-Keun, Choi, ChulSoo, Noh, Dong-Young, Moon, Woo Kyung

“…Cancer stem cells (CSCs) are highly tumorigenic and are responsible for tumor progression and chemoresistance. Noninvasive imaging methods for the…”
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Two-dimensional array of plasmonic V-shaped grooves for sensing applications by Hyeonsoo Park, Kyookeun Lee, Jeong-Geun Yun, Chulsoo Choi, Hwi Kim, Byoungho Lee

“…We numerically analyzed the refractive index sensing performance of the two-dimensional array of plasmonic V-shaped grooves. The structural parameters are…”
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Multiwavelength Achromatic Deflector in the Visible Using a Single-Layer Freeform Metasurface by Choi, Taewon, Choi, Chulsoo, Bang, Junseo, Kim, Youngjin, Son, Hyunwoo, Kim, Changhyun, Jang, Junhyeok, Jeong, Yoonchan, Lee, Byoungho

“…Deflectors are essential for modulating beam direction in optical systems but often face form factor issues or chromatic aberration with conventional optical…”
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Hybrid State Engineering of Phase‐Change Metasurface for All‐Optical Cryptography by Choi, Chulsoo, Mun, Sang‐Eun, Sung, Jangwoon, Choi, Kyunghee, Lee, Seung‐Yeol, Lee, Byoungho

“…Chalcogenide material Ge2Sb2Te5 (GST) has bistable phases, the so‐called amorphous and crystalline phases that exhibit large refractive index contrast. It can…”
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Single‐Layer Bifacial Metasurface: Full‐Space Visible Light Control by Sung, Jangwoon, Lee, Gun‐Yeal, Choi, Chulsoo, Hong, Jongwoo, Lee, Byoungho

“…Optical metasurfaces have attracted considerable attention thanks to their unprecedented ability to control the electromagnetic properties of light in…”
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Huygens' optical vector wave field synthesis via in-plane electric dipole metasurface by Park, Hyeonsoo, Yun, Hansik, Choi, Chulsoo, Hong, Jongwoo, Kim, Hwi, Lee, Byoungho

“…We investigate Huygens' optical vector wave field synthesis scheme for electric dipole metasurfaces with the capability of modulating in-plane polarization and…”
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Metasurface with Nanostructured Ge2Sb2Te5 as a Platform for Broadband‐Operating Wavefront Switch by Choi, Chulsoo, Lee, Seung‐Yeol, Mun, Sang‐Eun, Lee, Gun‐Yeal, Sung, Jangwoon, Yun, Hansik, Yang, Jong‐Heon, Kim, Hee‐Ok, Hwang, Chi‐Young, Lee, Byoungho

“…Broadband‐operating active devices within a small‐footprint are highly on demand in various nanophotonic fields such as fiber‐optic communication systems and…”
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Broadband efficient modulation of light transmission with high contrast using reconfigurable VO2 diffraction grating by Kim, Sun-Je, Choi, Sungwook, Choi, Chulsoo, Lee, Yohan, Sung, Jangwoon, Yun, Hansik, Jeong, Jinsoo, Mun, Sang-Eun, Lee, Yong Wook, Lee, Byoungho

“…Ultra-compact dynamically reconfigurable modulation of optical transmission has been widely studied by using subwavelength-spaced resonant metasurface…”
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Enhancement and Switching of Fano Resonance in Metamaterial by Mun, Sang‐Eun, Yun, Hansik, Choi, Chulsoo, Kim, Sun‐Je, Lee, Byoungho

“…Excitation and manipulation of Fano resonances in plasmonic nanostructure have attracted considerable attention due to its capability of degrees of freedom in…”
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Ultracompact meta-pixels for high colour depth generation using a bi-layered hybrid metasurface by Yun, Jeong-Geun, Sung, Jangwoon, Kim, Sun-Je, Yun, Hansik, Choi, Chulsoo, Lee, Byoungho

“…Nano-structural colour pixels have attracted much attention as promising solutions for compact display devices. However, it is difficult to miniaturize and…”
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Broadband efficient modulation of light transmission with high contrast using reconfigurable VO 2 diffraction grating by Kim, Sun-Je, Choi, Sungwook, Choi, Chulsoo, Lee, Yohan, Sung, Jangwoon, Yun, Hansik, Jeong, Jinsoo, Mun, Sang-Eun, Lee, Yong Wook, Lee, Byoungho

“…Ultra-compact dynamically reconfigurable modulation of optical transmission has been widely studied by using subwavelength-spaced resonant metasurface…”
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Assessment of ZnO and SiO2 nanoparticle permeability through and toxicity to the blood-brain barrier using Evans blue and TEM by Shim, Kyu Hwan, Jeong, Kyeong-Hoon, Bae, Sun Oh, Kang, Min O, Maeng, Eun Ho, Choi, Cheol Soo, Kim, Yu-Ri, Hulme, John, Lee, Eun Kyu, Kim, Meyoung-Kon, An, Seong Soo A

“…As increasing variants of nanoparticles (NPs) are being used in various products, it has become apparent that size alone can no longer adequately explain the…”
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Metasurface with Nanostructured Ge 2 Sb 2 Te 5 as a Platform for Broadband‐Operating Wavefront Switch by Choi, Chulsoo, Lee, Seung‐Yeol, Mun, Sang‐Eun, Lee, Gun‐Yeal, Sung, Jangwoon, Yun, Hansik, Yang, Jong‐Heon, Kim, Hee‐Ok, Hwang, Chi‐Young, Lee, Byoungho

“…Broadband‐operating active devices within a small‐footprint are highly on demand in various nanophotonic fields such as fiber‐optic communication systems and…”
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Optical design of dispersive metasurface nano-prism structure for high sensitivity CMOS image sensor by Choi, Chulsoo, Park, Jonghoon, Lee, Yunki, Kim, Bumsuk, Kim, Junghoon, Kim, Sunwook, Kim, Junghyun, Roh, Sookyoung, Ahn, Sungmo, Mun, Sangeun, Lee, Beomsuk, Nah, Seungjoo, Park, Howoo, Kim, Hyunchul, Moon, Changrok, Yun, Seokho, Ahn, Jungchak, Yim, Joonseo

“…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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Active deflection angle switching via the phase change of GeiSbiTes nanorod metasurface by Chulsoo Choi, Sun-Je Kim, Byoungho Lee

“…We propose a novel method for active switching of optical deflection angle via the phase change of GeiSbiTes (GST) metasurface. The metasurface is composed of…”
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Color generation using multi-layered metasurfaces by Yun, Jeong-Geun, Choi, Chulsoo, Lee, Byoungho

“…In this paper, meta-pixels which can generate various colors with wide gamut using multi-layered metasurfaces were demonstrated. Also, straightforward…”
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