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Geunchang Choi
Geunchang Choi
Verified email at cau.ac.kr
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Year
Enhanced terahertz shielding of MXenes with nano‐metamaterials
G Choi, F Shahzad, YM Bahk, YM Jhon, H Park, M Alhabeb, B Anasori, ...
Advanced Optical Materials 6 (5), 1701076, 2018
1742018
Plasmon enhanced terahertz emission from single layer graphene
YM Bahk, G Ramakrishnan, J Choi, H Song, G Choi, YH Kim, KJ Ahn, ...
ACS nano 8 (9), 9089-9096, 2014
1012014
Terahertz nanoprobing of semiconductor surface dynamics
G Choi, YM Bahk, T Kang, Y Lee, BH Son, YH Ahn, M Seo, DS Kim
Nano letters 17 (10), 6397-6401, 2017
442017
Giant field enhancements in ultrathin nanoslots above 1 terahertz
D Kim, J Jeong, G Choi, YM Bahk, T Kang, D Lee, B Thusa, DS Kim
ACS Photonics 5 (5), 1885-1890, 2018
302018
Terahertz rectification in ring-shaped quantum barriers
T Kang, RHJY Kim, G Choi, J Lee, H Park, H Jeon, CH Park, DS Kim
Nature Communications 9 (1), 4914, 2018
252018
Quantum dots-nanogap metamaterials fabrication by self-assembly lithography and photoluminescence studies
LN Tripathi, T Kang, YM Bahk, S Han, G Choi, J Rhie, J Jeong, DS Kim
Optics Express 23 (11), 14937-14945, 2015
202015
Graphene-assisted biosensing based on terahertz nanoslot antennas
G Choi, SJ Hong, YM Bahk
Scientific Reports 9 (1), 9749, 2019
182019
Control of optical nanometer gap shapes made via standard lithography using atomic layer deposition
J Rhie, D Lee, YM Bahk, J Jeong, G Choi, Y Lee, S Kim, S Hong, DS Kim
Journal of Micro/Nanolithography, MEMS, and MOEMS 17 (2), 023504-023504, 2018
162018
Operation of a wet near-field scanning optical microscope in stable zones by minimizing the resonance change of tuning forks
KD Park, DJ Park, SG Lee, G Choi, DS Kim, CC Byeon, SB Choi, ...
Nanotechnology 25 (7), 075704, 2014
132014
Enhanced surface carrier response by field overlapping in metal nanopatterned semiconductor
G Choi, T Kang, M Seo, DS Kim, YM Bahk
ACS Photonics 5 (12), 4739-4744, 2018
102018
Augmented All‐Optical Active Terahertz Device Using Graphene‐Based Metasurface
G Choi, TK Chau, SJ Hong, D Kim, SH Kim, DS Kim, D Suh, YM Bahk, ...
Advanced Optical Materials 9 (16), 2100462, 2021
92021
Terahertz transmission through rings of quantum dots-nanogap
LN Tripathi, YM Bahk, G Choi, S Han, N Park, DS Kim
Applied Physics Express 9 (3), 032001, 2016
92016
Terahertz photonic applications of two-dimensional materials
G Choi, YM Bahk, M Seo
2D Materials for Nanophotonics, 235-244, 2021
52021
Simple and reliable light launch from a conventional single-mode fiber into a helical-core fiber through an adiabatically tapered splice
H Kim, J Kim, Y Jung, LA Vazquez-Zuniga, SJ Lee, G Choi, K Oh, P Wang, ...
Optics Express 20 (23), 25562-25571, 2012
52012
A resonance tracking method for stable operation of a near-field scanning optical microscope in liquid environment
DJ Park, KD Park, GC Choi, SG Lee, CC Byeon, MS Jeong, SB Choi
Current Applied Physics 14, S12-S16, 2014
42014
Colloidal MoS2 van der Waals Template for Growing Highly Uniform Nanomaterials
KN Lee, DY Park, G Choi, DA Nguyen, YC Choi, MS Jeong
ACS applied materials & interfaces 12 (31), 35716-35724, 2020
32020
Cancer cell imaging by stable wet near-field scanning optical microscope with resonance tracking method
KD Park, DJ Park, MS Jeong, GC Choi, SG Lee, CC Byeon, SB Choi
Journal of the Korean Physical Society 64, 1500-1503, 2014
32014
Enhanced terahertz nonlinear response of GaAs by the tight field confinement in a nanogap
D Kim, DS Kim, G Choi
APL Photonics, 2023
22023
Evaluation of moisturizing cream using terahertz time-domain spectroscopy
G Choi, DH Lee, I Park, D Kang, HK Lee, J Rhie, YM Bahk
Current Applied Physics 39, 84-89, 2022
22022
Terahertz conductivity of high-quality indium films deposited using a substrate cooling method
G Choi, DH Choi, J Ryeom, DY Park, WS Kim, JJ Kim, YM Bahk, ...
Current Applied Physics 52, 80-84, 2023
12023
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