Han-Youl Ryu
Han-Youl Ryu
Professor, Dept. of Physics, Inha University
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Waveguides, resonators and their coupled elements in photonic crystal slabs
M Notomi, A Shinya, S Mitsugi, E Kuramochi, HY Ryu
Optics express 12 (8), 1551-1561, 2004
Semiconductor optoelectronic device and method of fabricating the same
J Son, HY Ryu, T Sakong, H Paek, S Lee
US Patent 7,724,795, 2010
Rate equation analysis of efficiency droop in InGaN light-emitting diodes
HY Ryu, HS Kim, JI Shim
Applied Physics Letters 95 (8), 2009
Very-low-threshold photonic band-edge lasers from free-standing triangular photonic crystal slabs
HY Ryu, SH Kwon, YJ Lee, YH Lee, JS Kim
Applied physics letters 80 (19), 3476-3478, 2002
Investigation of light extraction efficiency in AlGaN deep-ultraviolet light-emitting diodes
HY Ryu, IG Choi, HS Choi, JI Shim
Applied Physics Express 6 (6), 062101, 2013
High-quality-factor and small-mode-volume hexapole modes in photonic-crystal-slab nanocavities
HY Ryu, M Notomi, YH Lee
Applied physics letters 83 (21), 4294-4296, 2003
Characteristics of modified single-defect two-dimensional photonic crystal lasers
HG Park, JK Hwang, J Huh, HY Ryu, SH Kim, JS Kim, YH Lee
IEEE Journal of quantum electronics 38 (10), 1353-1365, 2002
Square-lattice photonic band-gap single-cell laser operating in the lowest-order whispering gallery mode
HY Ryu, SH Kim, HG Park, JK Hwang, YH Lee, JS Kim
Applied physics letters 80 (21), 3883-3885, 2002
Room-temperature triangular-lattice two-dimensional photonic band gap lasers operating at 1.54 μm
JK Hwang, HY Ryu, DS Song, IY Han, HW Song, HK Park, YH Lee, ...
Applied Physics Letters 76 (21), 2982-2984, 2000
Nondegenerate monopole-mode two-dimensional photonic band gap laser
HG Park, JK Hwang, J Huh, HY Ryu, YH Lee, JS Kim
Applied Physics Letters 79 (19), 3032-3034, 2001
Two-dimensional photonic crystal hexagonal waveguide ring laser
SH Kim, HY Ryu, HG Park, GH Kim, YS Choi, YH Lee, JS Kim
Applied Physics Letters 81 (14), 2499-2501, 2002
Photonic bandedge lasers in two-dimensional square-lattice photonic crystal slabs
SH Kwon, HY Ryu, GH Kim, YH Lee, SB Kim
Applied Physics Letters 83 (19), 3870-3872, 2003
Analysis of efficiency droop in nitride light-emitting diodes by the reduced effective volume of InGaN active material
HY Ryu, DS Shin, JI Shim
Applied Physics Letters 100 (13), 2012
Continuous room-temperature operation of optically pumped two-dimensional photonic crystal lasers at 1.6 μm
JK Hwang, HY Ryu, DS Song, IY Han, HK Park, DH Jang, YH Lee
IEEE Photonics Technology Letters 12 (10), 1295-1297, 2000
Effect of current spreading on the efficiency droop of InGaN light-emitting diodes
HY Ryu, JI Shim
Optics Express 19 (4), 2886-2894, 2011
Spontaneous emission rate of an electric dipole in a general microcavity
JK Hwang, HY Ryu, YH Lee
physical review B 60 (7), 4688, 1999
Two-dimensional photonic crystal semiconductor lasers: computational design, fabrication, and characterization
HY Ryu, HG Park, YH Lee
IEEE Journal of selected topics in quantum electronics 8 (4), 891-908, 2002
Characteristics of GaN‐based laser diodes for post‐DVD applications
OH Nam, KH Ha, JS Kwak, SN Lee, KK Choi, TH Chang, SH Chae, ...
physica status solidi (a) 201 (12), 2717-2720, 2004
Measurement of junction temperature in GaN-based laser diodes using voltage-temperature characteristics
HY Ryu, KH Ha, JH Chae, OH Nam, YJ Park
Applied physics letters 87 (9), 2005
Over 30-fold enhancement of light extraction from free-standing photonic crystal slabs with InGaAs quantum dots at low temperature
HY Ryu, YH Lee, RL Sellin, D Bimberg
Applied Physics Letters 79 (22), 3573-3575, 2001
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