Παρακολούθηση
Geunhwan Ryu, Geun Hwan Ryu, Guen Hwan Ryu, Geun-Hwan Ryu,
Geunhwan Ryu, Geun Hwan Ryu, Guen Hwan Ryu, Geun-Hwan Ryu,
Digital Imaging Technology
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Deterministic integration of quantum dots into on-chip multimode interference beamsplitters using in situ electron beam lithography
P Schnauber, J Schall, S Bounouar, T Hohne, SI Park, GH Ryu, T Heindel, ...
Nano Letters 18 (4), 2336-2342, 2018
1252018
InAs/GaAs quantum dot infrared photodetector on a Si substrate by means of metal wafer bonding and epitaxial lift-off
HS Kim, SY Ahn, SH Kim, GH Ryu, JH Kyhm, KW Lee, JH Park, WJ Choi
Optics express 25 (15), 17562-17570, 2017
342017
Ultra-lightweight, flexible InGaP/GaAs tandem solar cells with a dual-function encapsulation layer
TS Kim, HJ Kim, DM Geum, JH Han, IS Kim, N Hong, GH Ryu, JH Kang, ...
ACS Applied Materials & Interfaces 13 (11), 13248-13253, 2021
332021
Temperature dependence of the Auger recombination coefficient in InGaN/GaN multiple-quantum-well light-emitting diodes
HY Ryu, GH Ryu, C Onwukaeme, B Ma
Optics Express 28 (19), 27459-27472, 2020
272020
High Efficiency InGaN Blue Light-Emitting Diode With Output Power at 3 A
T Jeong, HJ Park, JW Ju, HS Oh, JH Baek, JS Ha, GH Ryu, HY Ryu
IEEE Photonics Technology Letters 26 (7), 649-652, 2014
262014
Analysis of the temperature dependence of phosphor conversion efficiency in white light-emitting diodes
GH Ryu, HY Ryu
Journal of the Optical Society of Korea 19 (3), 311-316, 2015
222015
Flexible GaAs photodetector arrays hetero-epitaxially grown on GaP/Si for a low-cost III-V wearable photonics platform
N Hong, RJ Chu, SS Kang, G Ryu, JH Han, KJ Yu, D Jung, WJ Choi
Optics Express 28 (24), 36559-36567, 2020
212020
Modeling and simulation of efficiency droop in GaN-based blue light-emitting diodes incorporating the effect of reduced active volume of InGaN quantum wells
HY Ryu, GH Ryu, YH Choi, B Ma
Current Applied Physics 17 (10), 1298-1302, 2017
202017
High-Performance Flexible InAs Thin-Film Photodetector Arrays with Heteroepitaxial Growth Using an Abruptly Graded InxAl1–xAs Buffer
S Woo, G Ryu, SS Kang, TS Kim, N Hong, JH Han, RJ Chu, IH Lee, ...
ACS Applied Materials & Interfaces 13 (46), 55648-55655, 2021
192021
Growth and fabrication of GaAs thin-film solar cells on a Si substrate via hetero epitaxial lift-off
S Woo, G Ryu, T Kim, N Hong, JH Han, RJ Chu, J Bae, J Kim, IH Lee, ...
Applied Sciences 12 (2), 820, 2022
162022
Fabrication and characterization of single junction GaAs solar cell epitaxially grown on Si substrate
SH Kim, MS Park, DM Geum, H Kim, GH Ryu, HD Yang, JD Song, CZ Kim, ...
Current Applied Physics 15, S40-S43, 2015
162015
Ideality factor of GaN-based light-emitting diodes determined by the measurement of photovoltaic characteristics
HJ Kim, GH Ryu, WB Yang, HY Ryu
Journal of the Korean Physical Society 65, 1639-1643, 2014
142014
Evaluation of the internal quantum efficiency in blue and green light-emitting diodes using the rate equation model
HY Ryu, GH Ryu, SH Lee, HJ Kim
Journal of the Korean Physical Society 63, 180-184, 2013
122013
Optimized InAlAs graded buffer and tensile-strained dislocation filter layer for high quality InAs photodetector grown on Si
G Ryu, S Woo, SS Kang, RJ Chu, JH Han, IH Lee, D Jung, WJ Choi
Applied Physics Letters 117 (26), 2020
112020
Evaluation of the temperature-dependent internal quantum efficiency and the light-extraction efficiency in a GaN-based blue light-emitting diode by using a rate equation model
YH Choi, GH Ryu, HY Ryu
Journal of the Korean Physical Society 69, 1286-1289, 2016
112016
Enhanced photoluminescence of 1.3 μm InAs quantum dots grown on ultrathin GaAs Buffer/Si templates by suppressing interfacial defect emission
Y Kim, RJ Chu, G Ryu, S Woo, QND Lung, DH Ahn, JH Han, WJ Choi, ...
ACS Applied Materials & Interfaces 14 (39), 45051-45058, 2022
92022
Efficiency droop and effective active volume in GaN-based light-emitting diodes grown on sapphire and silicon substrates
HY Ryu, GH Ryu, C Onwukaeme
Applied Sciences 9 (19), 4160, 2019
82019
Small signal analysis of the modulation bandwidth of light-emitting diodes for visible light communication
HY Ryu, GH Ryu
Optics & Laser Technology 152, 108170, 2022
72022
Optical properties of coherent InAs/InGaAs quantum dash-in-a-well for strong 2 μm emission enabled by ripening process
RJ Chu, DH Ahn, G Ryu, WJ Choi, D Jung
Journal of Alloys and Compounds 859, 157783, 2021
72021
Numerical investigation of Purcell enhancement of the internal quantum efficiency of GaN-based green LED structures
YH Choi, GH Ryu, HY Ryu
Current Optics and Photonics 1 (6), 626-630, 2017
62017
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