Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Park, Yeonsang"'
Publikováno v:
Nanophotonics, Vol 13, Iss 23, Pp 4337-4345 (2024)
Metasurfaces, consisting of arrays of subwavelength structures, are lightweight and compact while being capable of implementing the functions of traditional bulky optical components. Furthermore, they have the potential to significantly improve compl
Externí odkaz:
https://doaj.org/article/e28e74adc9df4170acfd882e887c6150
Autor:
Park, Yeonsang, Kim, Un Jeong, Lee, Suyeon, Kim, Hyochul, Kim, Jineun, Ma, Hyunjun, Son, Hyungbin, Yoon, Young Zoon, Lee, Jae-soong, Park, Minsu, Choo, Hyuck, Park, Q.-Han, Roh, Young-Geun
Publikováno v:
In Sensors and Actuators: B. Chemical 15 April 2023 381
Akademický článek
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Autor:
Lee Jaesoong, Park Yeonsang, Kim Hyochul, Yoon Young-Zoon, Ko Woong, Bae Kideock, Lee Jeong-Yub, Choo Hyuck, Roh Young-Geun
Publikováno v:
Nanophotonics, Vol 11, Iss 11, Pp 2563-2569 (2022)
We have demonstrated a compact and efficient metasurface-based spectral imager for use in the near-infrared range. The spectral imager was created by fabricating dielectric multilayer filters directly on top of the CMOS image sensor. The transmission
Externí odkaz:
https://doaj.org/article/104bc8162b12433899481329c586a1b0
Akademický článek
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Publikováno v:
Nanophotonics, Vol 9, Iss 5, Pp 1023-1030 (2020)
Owing to the recent developments of dielectric metasurfaces, their applications have been expanding from those pertaining to the thickness shrinkage of passive optical elements, such as lenses, polarizers, and quarter-wave plates, to applications per
Externí odkaz:
https://doaj.org/article/841be60a151441929f7e74d1522aa284
Autor:
Kim, Jineun, Roh, Young-Geun, Cheon, Sangmo, Choe, Jong-Ho, Lee, Jongcheon, Lee, Jaesoong, Kim, Un Jeong, Park, Yeonsang, Song, In Yong, Park, Q-Han, Hwang, Sung Woo, Kim, Kinam, Lee, Chang-Won
Plasmonic nanoantennas are key elements in nanophotonics capable of directing radiation or enhancing the transition rate of a quantum emitter. Slot-type magnetic-dipole nanoantennas, which are complementary structures of typical electric-dipole-type
Externí odkaz:
http://arxiv.org/abs/1301.1075
Absorption enhancement in amorphous silicon photonic crystals for thin film photovoltaic solar cells
Autor:
Daif, Ounsi El, Drouard, Emmanuel, Park, Yeonsang, Fave, Alain, Kaminski, Anne, Lemiti, Mustapha, Letartre, Xavier, Viktorovitch, Pierre, Ahn, Sungmo, Jeon, Heonsu, Seassal, Christian
We report on very high enhancement of thin layer's absorption through band-engineering of a photonic crystal structure. We realized amorphous silicon (aSi) photonic crystals, where slow light modes improve absorption efficiency. We show through simul
Externí odkaz:
http://arxiv.org/abs/0905.2204
Akademický článek
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Autor:
Yu, Young-Jun, Noh, Han-Eol, Hong, Mun-Heon, Jeong, I. T., Woo, J. C., Park, Yeonsang, Jeon, Heonsu, Jhe, Wonho
We have performed near-field spectroscopy and microscopy of the InAs/AlGaAs quantum-dot-based nanoclusters. It is observed that the photoluminescence spectra of spatially confined excitons in the nanoclusters is blue-shifted up to 20 meV as the power
Externí odkaz:
http://arxiv.org/abs/physics/0503211