International Journal

Changeun Park, Jaehyeok Park, Sangjin Min, Jong-In Shim, and Dong-Soo Shin , Origin of the high forward voltage and low voltage efficiency of GaN-based light-emitting diodes at cryogenic temperatures , ACS Photon. 11, 464-469  (2024)  📄

Dong-Guang Zheng, Hyeon-Dong Lee, Gyeong Won Lee, Dong-Soo Shin, Jeongwon Kim, Jong-In Shim, Zhiqun Lin, Tae-Woo Lee, and Dong Ha Kim , "Investigation into charge carrier dynamics in organic light-emitting diodes" , NRE 3, e9120109 (2024)  📄

Changeun Park, Jong-In Shim, Dong-Soo Shin, and Dong-Pyo Han, "Temperature dependence of the piezoelectric field in GaInN/GaN quantum wells and its impact on the device performance", J. Appl. Phys 136, 075302 (2024) 📄

Jiwon Kim, Changeun Park, Dong-Soo Shin, Jong-In Shim, Dong-Guang Zheng, and Dong-Pyo Han, "Space–Charge‐Limited Photocurrent as a Possible Cause for Low Power Conversion Efficiency in GaInN/GaN‐Based Optoelectronic Semiconductors", Phys. Status Solidi A 2300893 (2024) 📄

Sangjin Min, Won-Jin Choi, Dong-Hwan Kim, Keuk Kim, Jaehyeok Park, Han-Youl Ryu, Jong-In Shim, and Dong-Soo Shin, "GaAs-based red micro-light-emitting diodes with an oxide perimeter region for improved external quantum efficiency", AIP Adv. 14, 105201 (2024) 📄

Yung Ryel Ryu, Sung Ki Hong, E. Fred Schubert, Dong-Min Jeon, Dong-Soo Shin, Jong-In Shim, Sang-Mook Kim, and Jong Hyeob Baek, "A next-generation light-emitting device: ZOGAN LED with a heterogeneous p-layer composed of oxide and nitride semiconductors", AIP Adv. 14, 045215 (2024) 📄

Gi Baek Nam, Jung-El Ryu, Tae Hoon Eom, Seung Ju Kim, Jun Min Suh, Seungmin Lee, Sungkyun Choi, Cheon Woo Moon, Seon Ju Park, Soo Min Lee, Byungsoo Kim, Sung Hyuk Park, Jin Wook Yang, Sangjin Min, Sohyeon Park, Sung Hwan Cho, Hyuk Jin Kim, Sang Eon Jun, Tae Hyung Lee, Yeong Jae Kim, Jae Young Kim, Young Joon Hong, Jong-In Shim, Hyung-Gi Byun, Yongjo Park, Inkyu Park, Sang-Wan Ryu, and Ho Won Jang , "Real-Time Tunable Gas Sensing Platform Based on SnO2 Nanoparticles Activated by Blue Micro-Light-Emitting Diodes", Nano-Micro Lett. 16, 261 (2024) 📄

Dong-Pyo Han, Jiwon Kim, Dong-Soo Shin, and Jong-In Shim, "Native defect clustering-induced carrier localization centers leading to a reduction of performance in Ga0.70In0.30N/GaN quantum wells," Opt. Express 31, 15779-15790 (2023). 📄

Ilgyu Choi, Sangjin Min, Jong-In Shim, and Dong-Soo Shin, "Understanding and evaluating the mean photon energy and the external quantum efficiency of light-emitting diodes", IET Optoelectron. 17(1), 32–37 (2023). 📄

A. B. M. Hamidul Islam, Tae Kyoung Kim, Yu-Jung Cha, Dong-Soo Shin, Jong-In Shim, and Joon Seop Kwak , "Temperature-dependent efficiency droop in GaN-based blue micro light-emitting diodes" , ECS J. Solid State Sci. Technol., 12, 12, pp. 125002-1-125002-9 (2023 ) 📄

Seoung-Hwan Park, Jong-In Shim, and Dong-Soo Shin , "Linewidth enhancement factor of type-II red InGaN/GaNSb/GaN quantum-well lasers" , Jpn. J. Appl. Phys., 62, 7, pp. 072003-1 - 072003-3 (2023) 📄

Jaehyeok Park, Chaeyoon Yu, Sanjin Min, Jong-In Shim, and Dong-Soo Shin , "Extracting the inherent ideality factor of a diode from electrical current-voltage characteristics" , Electron. Lett., 59, 23, pp. 1-3 (2023) 📄

A. B. M. Hamidul Islam, Dong-Soo Shin, Joon Seop Kwak, and Jong-In Shim , "Determining the turn-on voltage of GaN-based light-emitting diodes: From near-ultraviolet to green spectra" , ECS J. Solid State Sci. Technol., 12, 12, pp. 126001-1-126001-4 (2023) 📄

Koh Eun Lee, Rak Jun Choi, Hyunwoong Kang, Jong-In Shim, Sang-Wan Ryu, Jaehee Cho, and June Key Lee, "Electrochemical Potentiostatic Activation for the Improvement of 270 nm AlGaN-Based UV-C Light-Emitting Diodes", ECS J. Solid State Sci. Technol. 11 025007 (2022). 📄

Seoung-Hwan Park, Jong-In Shim, and Dong-Soo Shin, "Enhanced Light Emission from Type-II Red InGaN/GaNSb/GaN Quantum-Well Structures", Advances in Condensed Matter Physics vol. 2022, Article ID 8993349, 6 pages (2022). 📄

Abu Bashar Mohammad Hamidul Islam, Tae Kyoung Kim, Dong-Soo Shin, Jong-In Shim, and Joon Seop Kwak, "Generation of sidewall defects in InGaN/GaN blue micro-LEDs under forward-current stress", Appl. Phys. Lett. 121 (1) (2022). 📄

Youngwook Shin, Jinwoo Park, Byeong-U Bak, Sangjin Min, Dong-Soo Shin, Jun-Beom Park, Tak Jeong, and Jaekyun Kim, "Investigation and direct observation of sidewall leakage current of InGaN-Based green micro-light-emitting diodes," Opt. Express 30, 21065-21074 (2022). 📄

Seoung-Hwan Park, Jong-In Shim, and Dong-Soo Shin, "Theoretical studies on in-plane polarization characteristics of (112̅0) nonpolar InGaN/GaN quantum-well structures grown on InGaN substrates", J. Korean Phys. Soc. 81, 45–48 (2022). 📄

Dong-Soo Shin, and Jong-In Shim, "Understanding Microscopic Properties of Light-Emitting Diodes from Macroscopic Characterization: Ideality Factor, S-parameter, and Internal Quantum Efficiency ", Phys. Status Solidi A, 219: 2200042  (2022). 📄

Dong-Guang Zheng, Jong-In Shim, and Dong-Soo Shin, "Analysis of degradation mechanisms in GaN-based light-emitting diodes under reverse-bias stress: effects of defects and junction-temperature increase", Jpn. J. Appl. Phys. 60 032006 (2021). 📄

Gyeong Won Lee, Yoonsuk Choi, Heejin Kim, Jongwoo Park, Jong-In Shim, and Dong-Soo Shin, "Analysis of Transient Degradation Behaviors of Organic Light-Emitting Diodes under Electrical Stress", Appl. Sci. 11(16), 7627 (2021). 📄

Dong-Pyo Han, and Gyeong Won Lee, "Comparative study of III-phosphide- and III-nitride-based light-emitting diodes: understanding the factors limiting efficiency", Semicond. Sci. Technol. 36 115004 (2021). 📄

Abu Bashar Mohammad Hamidul Islam, Jong-In Shim, Dong-Soo Shin, Joon Seop Kwak, "Effect of Defects on Strain Relaxation in InGaN/AlGaN Multiple-Quantum-Well Near-Ultraviolet Light-Emitting Diodes", Phys. Status Solidi A, 219: 2100418 (2021). 📄

Da-Hoon Lee, Sang-Youl Lee, Jong-In Shim, Tae-Yeon Seong, and Hiroshi Amano, "Effects of Current, Temperature, and Chip Size on the Performance of AlGaInP-Based Red Micro-Light-Emitting Diodes with Different Contact Schemes", ECS J. Solid State Sci. Technol. 10 095001 (2021). 📄

Dong-Guang Zheng, Dong-Soo Shin, and Jong-In Shim, "Measuring the surface temperature of light-emitting diodes by thermoreflectance", Jpn. J. Appl. Phys. 60 052003, (2021). 📄

Kyu-Sang Kim, and Jong-In Shim, "Effect of Interface State Density of the AlGaN Electron Blocking Layer/GaN Barrier Layer in InGaN Blue Light-Emitting Diodes", J. Korean Phys. Soc. 76, 522–526 (2020). 📄

Dong-Pyo Han, Gyeong Won Lee, Sangjin Min, Dong-Soo Shin, Jong-In Shim, Motoaki Iwaya, Tetsuya Takeuchi, Satoshi Kamiyama, and Isamu Akasaki, "Identifying the cause of thermal droop in GaInN-based LEDs by carrier- and thermo-dynamics analysis", Sci Rep 10, 17433 (2020). 📄

Jong-Ho Kim, Yong Won Lee, Hyeong-Seop Im, Chan-Hyoung Oh, Jong-In Shim, Daesung Kang, Tae-Yeon Seong, and Hiroshi Amano, "Improvement of The Light Output of Blue InGaN-Based Light Emitting Diodes by Using a Buried Stripe-Type n-Contact and Reflective Bonding Pad", ECS J. Solid State Sci. Technol. 9 015021 (2020). 📄

Jong-In Shim, Dong-Soo Shin, Chan-Hyoung Oh, and Hyundon Jung, "Review—Active Efficiency as a Key Parameter for Understanding the Efficiency Droop in InGaN-Based Light-Emitting Diodes", ECS J. Solid State Sci. Technol. 9 015013 (2020). 📄

Dong-Pyo Han, Chan-Hyoung Oh, Dong-Soo Shin, Jong-In Shim, Motoaki Iwaya, Tetsuya Takeuchi, Satoshi Kamiyama, Isamu Akasaki "Thermodynamic analysis of GaInN-based light-emitting diodes operated by quasi-resonant optical excitation", J. Appl. Phys. 128 (12), 123103 (2020). 📄

Chan-Hyoung Oh, Jong-In Shim, and Dong-Soo Shin, "Current- and temperature-dependent efficiency droops in InGaN-based blue and AlGaInP-based red light-emitting diodes", Jpn. J. Appl. Phys. 58 SCCC08 (2019). 📄

Chan-Hyoung Oh, Jong-In Shim, and Dong-Soo Shin, "Current–voltage characteristics of InGaN/GaN blue light-emitting diodes investigated by photovoltaic parameters", Jpn. J. Appl. Phys. 58 012005 (2019). 📄

Seung Hee Lee, Hokyeong Jeong, Dong Yeong Kim, Seung-Young Seo, Cheolhee Han, Odongo Francis Ngome Okello, Jen-Iu Lo, Yu-Chain Peng, Chan-Hyoung Oh, Gyeong Won Lee, Jong-In Shim, Bing-Ming Cheng, Kyung Song, Si-Yong Choi, Moon-Ho Jo, and Jong Kyu Kim, "Electroluminescence from h-BN by using Al2O3/h-BN multiple heterostructure", Opt. Express 27, 19692-19701 (2019). 📄

Abu Bashar Mohammad Hamidul Islam, Dong-Soo Shim, and Jong-In Shim, "Enhanced Radiative Recombination Rate by Local Potential Fluctuation in InGaN/AlGaN Near-Ultraviolet Light-Emitting Diodes", Appl. Sci. 9(5), 871 (2019). 📄

Seungmin Lee, Jonghak Kim, Chan-Hyoung Oh, Jong-In Shim, Yongjo Park, and Euijoon Yoon, "Fabrication of Less Bowed Light-Emitting Diodes on Sapphire Substrates with a SiO2 Thin Film on Their Back Sides", J. Korean Phys. Soc. 75, 480–484 (2019). 📄

Chan-Hyoung Oh, Jong-In Shim, and Dong-Soo Shin, "Interrelation Between the Internal Quantum Efficiency and Forward Voltage of Blue LEDs", IEEE Photonics Technol. Lett., vol. 31, no. 17, pp. 1441-1444 (2019). 📄

Dong-Pyo Han, Dong-Soo Shin, and Jong-In Shim, Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya; Isamu Akasaki, "Modified Shockley Equation for GaInN-Based Light-Emitting Diodes: Origin of the Power- Efficiency Degradation Under High Current Injection", IEEE J. Quantum Electron., vol. 55, no. 4, pp. 1-11 (2019). 📄

Dong-Pyo Han, Jong-In Shim, and Dong-Soo Shin, "Factors Determining the Carrier Distribution in InGaN/GaN Multiple-Quantum-Well Light-Emitting Diodes", IEEE J. Quantum Electron., vol. 54, no. 1, pp. 1-7 (2018). 📄

Gyeong Won Lee, Heejin Kim, Jongwoo Park, Jong-In Shim, and Dong-Soo Shin, "Investigation of Luminance Degradation in Organic Light-Emitting Diodes by Impedance Spectroscopy", IEEE Photonics Technol. Lett., vol. 30, no. 13, pp. 1183-1185 (2018). 📄

Jeong-Tak Oh, Sang-Youl Lee, Yong-Tae Moon, Ji Hyung Moon, Sunwoo Park, Ki Yong Hong, Ki Young Song, Chanhyoung Oh, Jong-In Shim, Hwan-Hee Jeong, June-O Song, Hiroshi Amano, and Tae-Yeon Seong, "Light output performance of red AlGaInP-based light emitting diodes with different chip geometries and structures", Opt. Express 26, 11194-11200 (2018). 📄

Jong-In Shim, Dong-Pyo Han, Chan-Hyoung Oh, Hyundon Jung, Dong-Soo Shin, "Measuring the Internal Quantum Efficiency of Light-Emitting Diodes at an Arbitrary Temperature", IEEE J. Quantum Electron., vol. 54, no. 2, pp. 1-6 (2018). 📄

Jong-In Shim, and Dong-Soo Shin, "Measuring the internal quantum efficiency of light-emitting diodes: towards accurate and reliable room-temperature characterization", Nanophotonics 7(10): 1601–1615 (2018). 📄

Abu Bashar Mohammad Hamidul Islam,Jong-In Shim, and Dong-Soo Shin, "Optoelectronic Performance Variations in InGaN/GaN Multiple-Quantum-Well Light-Emitting Diodes: Effects of Potential Fluctuation", Materials 11(5), 743 (2018). 📄

Dong-Pyo Han, Jong-In Shim, and Dong-Soo Shin, "Analysis of carrier recombination dynamics in InGaN-based light-emitting diodes by differential carrier lifetime measurement", Appl. Phys. Express 10 052101 (2017). 📄

Dong-Pyo Han, Jong-In Shim, and Dong-Soo Shin, "Carrier accumulation in the active region and its impact on the device performance of InGaN-based light-emitting diodes", Appl. Phys. Express 10 122101 (2017). 📄

Abu Bashar Mohammad Hamidul Islam, Dong-Soo Shin, and Jong-In Shim, "Interactive Study of Electroreflectance and Photocurrent Spectra in InGaN/GaN-Based Blue LEDs", IEEE J. Quantum Electron., vol. 53, no. 5, pp. 1-6, Art no. 3300206 (2017). 📄

Dong-Pyo Han, Jong-In Shim, Dong-Soo Shin, and Kyu-Sang Kim, "Effects of unbalanced carrier injection on the performance characteristics of InGaN light-emitting diodes", Appl. Phys. Express 9 081002 (2016). 📄

Dong-Pyo Han, Young-Jin Kim, Jong-In Shim, Dong-Soo Shin, "Forward-Capacitance Measurement on Wide-Bandgap Light-Emitting Diodes", IEEE Photonics Technol. Lett., vol. 28, no. 21, pp. 2407-2410, (2016). 📄

Jong-In Shim, and Dong-Soo Shin, "Influences of the p-GaN Growth Temperature on the Optoelectronic Performances of GaN-Based Blue Light-Emitting Diodes", IEEE J. Quantum Electron., vol. 52, no. 4, pp. 1-8, Art no. 3300208 (2016). 📄

Gyeong Won Lee, Jong-In Shim, and Dong-Soo Shin, "On the ideality factor of the radiative recombination current in semiconductor light-emitting diodes", Appl. Phys. Lett. 109, 031104 (2016). 📄

Jong-In Shim, Dong-Pyo Han, and Dong-Soo Shin, "Wafer-Level Electroluminescence Metrology for InGaN Light-Emitting Diodes", IEEE J. Quantum Electron., vol. 52, no. 11, pp. 1-6, Art no. 3300406 (2016). 📄

Joosun Yun, Jong-In Shim, and Hideki Hirayama, "Analysis of efficiency droop in 280-nm AlGaN multiple-quantum-well light-emitting diodes based on carrier rate equation", Applied Physics Express 8, 022104 (2015). 📄

Dong-Soo Shin,  William S.C. Chang, and  Paul K.L. Yu, "Enhancement in third-order output intercept point of high-power photodiodes by nonlinear voltage- and current-dependent responsivities",  Electron. Lett. 51: 276-278 (2015). 📄

Dong-Pyo Han, Chan-Hyoung Oh, Hyunsung Kim, Jong-In Shim, Kyu-Sang Kim, and Dong-Soo Shin, "Conduction Mechanisms of Leakage Currents in InGaN/GaN-Based Light-Emitting Diodes", IEEE Trans. Electron Devices, vol. 62, no. 2, pp. 587-592 (2015). 📄

Hyo-Shik Choi, Dong-Guang Zheng, Hyunsung Kim, Jong-In Shim, and Dong-Soo shin, "Effects of the number of quantum wells on the performance of near-ultraviolet light-emitting diodes",  J. Korean. Phys. Soc. 66, 1554–1558 (2015). 📄

Mi-Hyang Sheen, Sung-Dae Kim, Jong-Hwan Lee, Jong-In Shim and Young-Woon Kim, "V-pits as Barriers to Diffusion of Carriers in InGaN/GaN Quantum Wells", J. Electron. Mater. 44, 4134–4138 (2015). 📄

Dong-Pyo Han, Chan-Hyoung Oh, Dong-Guang Zheng, Hyunsung Kim, Jong-In Shim, Kyu-Sang Kim and Dong-Soo Shin, "Analysis of nonradiative recombination mechanisms and their impacts on the device performance of InGaN/GaN light-emitting diodes", Jpn. J. Appl. Phys. 54 02BA01 (2015). 📄

Kyu-Sang Kim, Dong-Pyo Han, Hyun-Sung Kim, and Jong-In Shim, "Analysis of dominant carrier recombination mechanisms depending on injection current in InGaN green light emitting diodes", Appl. Phys. Lett., 104, 091110 (2014). 📄

Jung-Hong Min, Myungwoo Son, Si-Young Bae, Jun-Yeob Lee, Joosun Yun, Min-Jae Maeng, Dae-Gyeon Kwon, Yongsup Park, Jong-In Shim, Moon-Ho Ham, and Dong-Seon Lee, "Graphene interlayer for current spreading enhancement by engineering of barrier height in GaN-based light-emitting diodes", Optics Express, Vol. 22, Issue S4, A1040-A1050 (2014). 📄

Dong-Pyo Han, Hyunsung Kim, Jong-In Shim, Dong-Soo Shin, and Kyu-Sang Kim, "Influence of carrier overflow on the forward-voltage characteristics of InGaN-based light-emitting diodes", Appl. Phys. Lett., 105, 191114 (2014). 📄

Jong-In Shim, Hyunsung Kim, Dong-Pyo Han, Dong-Soo Shin, and Kyu-Sang Kim, "Low Temperature Studies of the Efficiency Droop in InGaN-based Light-Emitting Diodes", SPIE Proceedings, Vol. 8986, 226-233 (2014). 📄

Muhammad Usman, Hyunsung Kim, Jong-In Shim, and Dong-Soo Shin, "Measurement of piezoelectric field in single- and double-quantum-well green LEDs using electroreflectance spectroscopy", Jpn. J. Appl. Phys., 53, 098002 (2014). 📄

Dong-Pyo Han, Dong-Guang Zheng, Chan-Hyoung Oh, Hyunsung Kim, Jong-In Shim, Dong-Soo Shin, and Kyu-Sang Kim, "Nonradiative recombination mechanisms in InGaN/GaN-based light-emitting diodes investigated by temperature-dependent measurements", Appl. Phys. Lett., 104, 151108 (2014). 📄

Seoung-Hwan Park and Jong-In Shim, "Carrier density dependence of polarization switching characteristics of light emission in deep-ultraviolet AlGaN/AlN quantum well structures", Appl. Phys. Letts., 102, 221109 (2013). 📄

Joosun Yun, Hye-Seung Yeom, and Jong-In Shim, "Correlation Between the Efficiency Droop and the Blueshift of the Electroluminescence in InGaN/GaN Multiple-quantum-well Blue Light-emitting Diodes", J. Korean. Phys. Soc., Vol. 63, No. 6, 1218-1221 (2013). 📄

Joosun Yun, Jong-In Shim, and Dong-Soo Shin, "Current, voltage and temperature distribution modeling of light-emitting diodes based on electrical and thermal circuit analysis", Semicond. Sci. Technol., 28, 085001 (2013). 📄

Su-Ik Park, Dong-Hyun Jang, and Jong-In Shim, "Determination of the Effect of a Strain Relaxation Layer on the Internal Electric Field Measurement in an InGaN/GaN Multiple-quantum-well Structure by Using Electroreflectance Spectroscopy", J. Korean. Phys. Soc., Vol. 62, No. 9, 1291-1294 (2013). 📄

Dong-Pyo Han, Min-Goo Kang, Chan-Hyoung Oh, Hyunsung Kim, Kyu-Sang Kim, Dong-Soo Shin, and Jong-In Shim, "Investigation of carrier spill-over in InGaN-based light-emitting diodes by temperature dependences of resonant photoluminescence and open-circuit voltage", Phys. Status Solidi A 210, No. 10, 2204-2208 (2013). 📄

Il-Gyun Choi, Dong-Pyo Han, Joosun Yun, Kyu-Sang Kim, Dong-Soo Shin, and Jong-In Shim, "Investigation of Dominant Nonradiative Mechanisms as a Function of Current in InGaN/GaN Light-emittng Diodes", Appl. Phys. Express, 6, 052105 (2013). 📄

Han-Youl Ryu, Il-Gyun Choi, Hyo-Sik Choi, and Jong-In Shim, "Investigation of Light Extraction Efficiency in AlGaN Deep-Ultraviolet Light-Emitting Diodes", Appl. Phys. Express, 6, 062101 (2013). 📄

Dong-Soo Shin, Dong-Pyo Han, Jong-In Shim, Dae-Seob Han, Yong-Tae Moon, and  Joong-Seo Park, "Investigation of Quantum-Well Shapes and Their Impacts on the Performance of InGaN/GaN Light-Emitting Diodes", Jpn. J. Appl. Phys., 52, 08JL11 (2013). 📄

Dong-Soo Shin, "Samll-Signal Analysis of the Voltage-Dependent Nonlinearity in High-Power Uni-Traveling-Carrier Photodiodes", Jpn. J. Appl. Phys., 52, 058002 (2013). 📄

Dong-Soo Shin, Jong-Ik Lee, and Jong-In Shim, "Systematic Analysis of the Photocurrent Spectroscopy on InGaN/GaN Blue Light-Emitting Diodes", IEEE J. Quantum. Electron., Vol. 49, No. 12 (2013). 📄

Dong-Soo Shin and  and Paul K. L. Yu, "Optoelectronic Mixing in Electroabsorption Waveguides under Very High Optical Power", Jpn. J. Appl. Phys. 51 028001 (2012). 📄

Hyunsung Kim, Dong-Pyo Han, Ji-Yeon Oh, Jong-In Shim, Dong-Soo Shin, and Han-Youl Ryu, "Estimate of the Nonradiative Carrier Lifetime in InGaN/GaN Quantum Well Structures by Using Time-resolved Photoluminescence", J. Korean Phys. Soc., 60, 1934–1938 (2012). 📄

Han-Youl Ryu, Dong-Soo Shin, and Jong-In Shim, "Analysis of efficiency droop in nitride light-emitting diodes by the reduced effective volume of InGaN active material", Appl. Phys. Lett. 100, 131109 (2012). 📄

Seoung-Hwan Park and Jong-In Shim, "Effects of polarization field on vertical transport in GaN/AlGaN resonant tunneling diodes", J. Korean Phys. Soc., 60, 1957–1960 (2012). 📄

Dong-Soo Shin, "Gain–bandwidth relation of electroabsorption-modulated analogue fibre link: effect of photocurrent resistance", Electron. Lett., 48(7), p. 387-389 (2012). 📄

Jong-In Shim, Dong-Pyo Han, Hyunsung Kim, Dong-Soo Shin, Guan-Bo Lin, David S. Meyaard, Qifeng Shan, Jaehee Cho, E. Fred Schubert, Hyunwook Shim, and Cheolsoo Sone, " Efficiency droop in AlGaInP and GaInN light-emitting diodes", Appl. Phys. Lett., 100, 111106 (2012). 📄

Dong-Soo Shin, Dong-Pyo Han, Ji-Yeon Oh and Jong-In Shim, "Study of droop phenomena in InGaN-based blue and green light-emitting diodes by temperature-dependent electroluminescence", Appl. Phys. Lett., 100, 153506 (2012). 📄

Su-Ik Park, Jong-Ik Lee, Dong-Hyun Jang, Hyun-Sung Kim, Dong-Soo Shin, Han-Youl Ryu, and Jong-In Shim, "Measurement of Internal Electric Field in GaN-Based Light-Emitting Diodes", IEEE J. Quantum Electron., 48(4):500-506 (2012). 📄

Joosun Yun, Dong-Pyo Han, Jong-In Shim, and Dong-Soo shin, "Three-Dimensional Analysis of Temperature Distributions Based on Circuit Modeling of Light-Emitting Diodes",  IEEE Trans. Electron Devices, vol. 59, no. 6, pp. 1799-1802 (2012). 📄

Michal Baranowski, Magdalena Latkowska, Robert Kudrawiec, Marcin Syperek, Jan Misiewicz, Karthikeyan Giri Sadasivam, Jong-In Shim and June Key Lee, "Time-resolved photoluminescence studies of the optical quality of InGaN/GaN multi-quantum well grown by MOCVD—antimony surfactant effect" Semicond. Sci. Technol. 27 105027 (2012). 📄

Seoung-Hwan Park, Jong-In Shim and Sam Nyung Yi, "Optical gain of compressively strained InGaAs/InP multiple quantum wires", Semicond. Sci. Technol., 26 075013 (2011). 📄

Han-Youl Ryu and Jong-In Shim, "Effect of current spreading on the efficiency droop of InGaN light-emitting diodes", Opt. Express 19, 2886-2894 (2011). 📄

Karthikeyan Giri Sadasivam, Jong-In Shim and June Key Lee, "Antimony Surfactant Effect on Green Emission InGaN/GaN Multi Quantum Wells Grown by MOCVD", Journal of Nanoscience and Nanotechnology 11(2):1787-90 (2011). 📄

Jun-Youn Kim, Yongjo Tak, Jae Won Lee, Hyun-Gi Hong, Suhee Chae, Hyoji Choi, Bokki Min, Youngsoo Park, Minho Kim, Seongsuk Lee, Namgoo Cha, Yoonhee Shin, Jong-Ryeol Kim, and Jong-In Shim, "Highly efficient InGaN/GaN blue LED grown on Si (111) substrate", CLEO: 2011 - Laser Science to Photonic Applications, Baltimore, MD, USA, pp. 1-2 (2011). 📄

Dong-Pyo Han, Jong-In Shim, Dong-Soo Shin, Eunsoo Nam, Hyungmoo Park, "Effect of temperature distribution and current crowding on the performance of lateral GaN-based light-emitting diodes", Phys. Status Solidi (c) 7, 2133-2135 (2010). 📄

Yuseong Jang; Won Rae Kim; Dong-Hyun Jang; Jong-In Shim; Dong-Soo Shin, "Analysis of the stress distribution in the nonuniformly bent GaN thin film grown on a sapphire substrate ", J. Appl. Phys. 107, 113537 (2010). 📄

Dong-Soo Shin, "Resonance in Link RF Gain by Negative Photocurrent Resistance of Electroabsorption Modulator Under Very High Optical Power", Journal of Lightwave Technology, vol. 28, no. 21, pp. 3095-3099 (2010). 📄

Hyunsung Kim, Dong-Soo Shin, Han-Youl Ryu and Jong-In Shim, "Analysis of Time-resolved Photoluminescence of InGaN Quantum Wells Using the Carrier Rate Equation", Jpn. J. Appl. Phys. 49, 112402 (2010). 📄

 Jong-In Shim, Dong-Hyun Jang, Kyungyul Yoo, "A New Strain Analysis Model in Epitaxial Multilayer Systems", J. Korean Phys. Soc. 57(4), 787 - 792 (2010). 📄

 Dong-Pyo Han, Dong-Soo Shin, and Jong-In Shim, "Relationship between thermal and luminance distributions in high-power lateral GaN/InGaN light-emitting diodes", Electronics Letters, 46, (6), p. 437-439 (2010). 📄

Sung-Hee Hwang, Kangbaek Kim, Won Rae Kim and Dong-Soo Shin, "Ion Transport in a Reflective Liquid-Crystal-on-Silicon Microdisplay Cell", 2009 Jpn. J. Appl. Phys., 48, 051503 (2009).  📄

Joo-sun Yun ,  Jong-In Shim, and Dong-Soo Shin, "Enhancing current spreading by simple electrode pattern design methodology in lateral GaN/InGaN LEDs", Electronics Letters, 45, (13), p. 703-705 (2009). 📄

Heejun Jeong and Dong-Soo Shin, "Integrated Electroabsorption Modulator/Heterojunction Phototransistor for Passive-Picocell Radio-Over-Fiber Applications", J. Korean Phys. Soc., 54(2), 774 - 779 (2009). 📄

Han-Youl Ryu, Hyun-Sung Kim and Jong-In Shim, "Rate equation analysis of efficiency droop in InGaN light-emitting diodes", Appl. Phys. Lett., 95, 081114 (2009). 📄

Dong-Pyo Han, Jong-In Shim and Dong-Soo Shin, "Enhancement of Light Extraction Efficiency Using Lozenge-Shaped GaN-Based Light-Emitting Diodes", IEEE Photonics Technol. Lett., vol. 21, no. 12, pp. 760-762 (2009). 📄

Dong-Hyun Jang, Jong-In Shim and KyungYul Yoo, "Theoretical Analysis on the Light Extraction Efficiency of GaN-Based Light-Emitting Diodes by Using the Ray Tracing Method", J. Korean Phys. Soc., 54(6), 2373 - 2377 (2009). 📄

Jeha Kim, Yong-Duck Chung, Kwang-Seong Choi, Dong-Soo Shin, Jae-Shik Sim, and Hyun-Kyu Yu, "60-GHz System-on-Packanging Transmitter for Radio-Over-Fiber Applications", J. lightwave technol., Vol. 26, No. 15 (2008). 📄

Sungmin Hwang, and Jong-In Shim, "A Method for Current Spreading Analysis and Electrode Pattern Design in Light-Emitting Diodes", IEEE Trans. Electron Devices, Vol. 55, No. 5 (2008). 📄

Sungmin Hwang, Joosun Yoon, Jong-In Shim, and Kyungyul Yoo, "Effect of electrode pattern on light emission distribution in InGaN/GaN light emitting diode", phys. stat. sol. (c) 5, No. 6, 2179-2182 (2008). 📄

Dong-Soo Shin, "Efficient adjustment of the RF parameters of directly modulated laser diodes with 'RF' light-current parameters", Opt. Laser. Technol., Vol. 40, Issue. 7, 958-961 (2008). 📄

Sungmin Hwang, and Jong-In Shim, "Improved ESD voltage by inserting floating metal ring in GaN-based light emitting diodes", Electron. Lett., 44(9), 590-591 (2008). 📄

Jongwoo Park, and Dong-Soo Shin, "Application of epoxy-based photosensitive polymers for optical MEMS and subsequent reliability evaluation", Mater. Chem. Phys., 98(2-3), 309-315 (2006). 📄

Dongchurl Kim, Jong-In Shim, Yong-Chan Keh, and Munkyu Park, "Design and Fabrication of a Transmitter Optical Subassembly (TOSA) in 10-Gb/s Small-Form-Factor Pluggable (XFP) Transceiver", IEEE J. Sel. Top. Quantum Electron., 12(4), 775-782 (2006). 📄

H. Y. Ryu, K. H. Ha, J. H. Chae, K. S. Kim, J. K. Son, O. H. Nam, Y. J. Park, and J. I. Shim, "Evaluation of radiative efficiency in InGaN blue-violet laser-diode structures using electroluminescence characteristics", Appl. Phys. Lett., 89, 171106 (2006). 📄

Heejun Jeong, and Dong-Soo Shin, "Semiconductor Quantum Structures for Infrared Detection Using Nano-Patterned Grating Geometry", J. Korean Phys. Soc., 49(5), 2023-2027 (2006). 📄

Dong-Soo Shin, "Effect of a Step Barrier on the Quantum-Confined Stark Effect and Applications to Electroabsorption Modulators with High Saturation Optical Power", J. Korean Phys. Soc. 47(2), 364 (2005). 📄

Dong-Soo Shin and Heejun Jeong, "Chirp Parameter of Electroabsorption Modulators with InGaAsP Intrastep Quantum Wells", Jpn. J. Appl. Phys., 44(16), L 590-L 592 (2005). 📄

Jongwoo Park, Dong-Soo Shin, John Delucca, Chris Theis, and John Osenbach, "Critical Aspect of Curing Epoxy Adhesive:Fiber Pistoning of LC Connector", IEEE Trans Device Mater Reliab., 5(3), 572 - 580 (2005). 📄

Dong-Soo Shin, "Waveguiding Effect in Electroabsorption Modulators:Passivation Layers and Their Impact on Extinction Ratios", ETRI Journal, 27(1), 95-101 (2005). 📄

Sungmin Hwang, Jong-In Shim and Yungseon Eo, "Ohmic Contacts of Pd/Zn/M(= Pd or Pt)/Au to p-Type InP", J. Korean Phys. Soc., 46(4),  751-755 (2005). 📄

Bin Liu, Jong-In Shim, Yi-jen Chiu, Hsu Feng Chou, Joachim Piprek and John E. Bowers, "Slope Efficiency and Dynamic Range of Traveling-Wave Multiple-Quantum-Well Electroabsorption Modulators", IEEE Photonics Technol. Lett., 16(2), 590 - 592 (2004.) 📄

Jong-In Shim, Bin Liu, Joachim Piprek and John E. Bowers, "Nonlinear Properties of Traveling-Wave Electroabsorption Modulator", IEEE Photonics Technol. Lett., 16(4), 1035 - 1037 (2004). 📄

Y. Wu, Dong-Soo Shin, W. S. C. Chang, and P. K. L. Yu, "Microwave photonics frequency-converted link using electroabsorption devices", Journal of Semiconductor Technology and Science, 4(1) (2004). 📄

Kyung-Sook Hyun, Youngmi Paek, Yong-Hwan Kwon, Sungmin Hwang, Jong-In Shim and Seong Joon Ahn, "Pre-breakdown suppression in planar InP∕InGaAs avalanche photodiode using deep floating guard ring", "Appl. Phys. Lett. 85(23), 5547-5549 (2004). 📄

Jong-In Shim, Bin Liu, and John E. Bowers, "Dependence of transmission curves on input optical power in an electroabsorption modulator", IEEE J of Quantum Electronics, 40(11), 1622 - 1628 (2004). 📄

Yungseon Eo, Seongkyun Shin, W. R. Eisenstadt and Jong-In Shim, "A decoupling technique for efficient timing analysis of VLSI interconnects with dynamic circuit switching", IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 23(9), 1321 - 1337 (2004). 📄

Jongwoo Park, and Dong-Soo Shin, "Package-induced catastrophic mirror damage of 980-nm GaAs high-power laser", Materials Chemistry and Physics, 88(2-3), 410-416 (2004). 📄

Bin Liu, Jong-In Shim, Yi-Jen Chiu, A. Keating, J. Piprek and J. E. Bowers, "Analog characterization of low-voltage MQW traveling-wave electroabsorption modulators", J. Lightwave Technol., 21(12), 3011- 3019 (2003). 📄

Jongwoo Park and Dong-Soo Shin, "Degradation of Fiber Optical Communication Devices Under Damp-Heat Aging", IEEE Photonics Technol Lett.,  15(8), 1106 - 1108 (2003). 📄

Yungseon Eo, William R. Eisenstadt, Woojin Jin, Jinwoo Choi, and Jong-In Shim, "A Compact Multilayer IC Package Model for Efficienct Simulation, Analysis, and Design of High-Performance VLSI Circuits", IEEE T. Adv. Packaging., 26(4), (2003). 📄

Dong-Soo Shin, J. Wang, F. Bosch, P.A. Kiely, N. Chand, M. Fischer, K. Kojima, B.L. Kasper, E.M. Peral, H. Ransijn, "10 Gbit/s transmission over 50 km nonzero dispersion-shifted fibre using 1.3 µm directly modulated uncooled transmitters", Electron. Lett., 38(16), 864-865 (2002). 📄

Youngkwon Yoon, Jong-In Shim, Donghoon Jang, Jongryeol Kim, Yungseon Eo and F. Rhee, "Transmission spectra of Fabry-Perot etalon filter for diverged input beams", IEEE Photonics Technol. Lett., 14(9), 1315 - 1317 (2002). 📄

Dongsoo Bang, Jong-In Shim, Joongkoo Kang, Minsik Um, Sangmin Park, Sangmoon Lee, Donghoon Jang, and Yungseon Eo, "High-Temperature and High-Speed Operation of a 1.3-μm Uncooled InGaAsP–InP DFB Laser", IEEE Photonics Technol. Lett, 14(9), 1240 - 1242 (2002). 📄

Jong-In Shim,Jongryeol Kim, Donghoon Jang, Yungseon Eo and Shigehisa Arai, "Facet Reflectivity of a Spot-Size-Converter Integrated Semiconductor Optical Amplifier", IEEE Photonics Technol. Lett., 14(9), 1240 - 1242 (2002). 📄

Yungseon Eo, Jong-In Shim, and William R. Eisenstadt, "A Traveling-Wave-Based Waveform Approximation Technique for the Timing Verification of Single Transmission Lines", IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 21(6), 723 - 730 (2002). 📄

Dong-Soo Shin, W. X. Chen, Y. Zhuang, Y. Wu, S. A. Pappert, D. Chow, D. Yap, P. Deelman and Paul K. L. Yu, "Suppressing electroabsorption with intra-step-barrier quantum wells for high-power electroabsorption modulators", Electron. Lett., 38 (19), 1140-1142 (2002). 📄

Dong-Soo Shin, Paul K. L. Yu, and S. A. Pappert, "High-power electroabsorption modulator using intra-step-barrier quantum wells", J. Appl. Phys., 89, 1515 (2001). 📄

J. Wiedmann, K. Ebihara, H. C. Kim, B. Chen, M. Ohta, K. Matsui, S. Tamura, Jong-In Shim, and S. Arai, "1.5 μm wavelength distributed reflector lasers with vertical grating", Electron. Lett., 37(13), 831-832 (2001). 📄

Donghoon Jang, Jong-In Shim, Jungkee Lee, and Yungseon Eo, "Asymmetric Output Characteristics in 1.3-μm Spot-Size Converted Laser Diodes", IEEE J. Quantum. Electrons., 37(12), 1611-1617 (2001). 📄

Woojin Jin, Yungseon Eo, Wilian R. Eisenstadt, and Jong-In Shim, "Fast and Accurate Quasi-Three-Dimensional Capacitance Determination of Multilayer VLSI Interconnects", IEEE Trans. Very Large Scale Integr. (VLSI) Syst., 9(3), 450-460 (2001). 📄

Jong Wiedmann, Hyo-Chang Kim, Koji Ebihara, Bo. Chen, Masataka Ohta, Shigeo Tamura, Jong-In Shim, and Shigehisa Arai, "GaInAsP/InP Distributed Reflector Lasers Consisting of Deeply Etched Vertical Gratings", Jpn. J. Appl. Phys., 40, 6845-6851 (2001). 📄

D. C. Scott, T. A. Vang, J. Elliott, D. Forbes, J. Lacey, K. Everett, F. Alvarez, R. Johnson, A. Krispin, J. Brock, L. Lembo, H. Jiang, Dong-Soo Shin, J. T. Zhu, and P. K. L. Yu, "Measurement of IP3 in p-i-n Photodetectors and Proposed Performance Requirements for RF Fiber-Optic Links", IEEE Photonic Technol. Lett., 12(4), 422-424 (2000). 📄

D. S. Shin, G. L. Li, C. K. Sun, S. A. Pappert, K. K. Loi, W. S. C. Chang, and P. K. L. Yu, "Optoelectronic RF Signal Mixing Using an Electroabsorption Waveguide as an Integrated Photodetector/Mixer", IEEE Photonic Technol. Lett., 12(2), 193-195 (2000). 📄

H. Jiang, D. S. Shin, G. L. Li, T. A. Vang, D. C. Scott, and P. K. L. Yu, "The Frequency Behavior of the Third-Order Intercept Point in a Waveguide Photodiode", IEEE Photonic Technol. Lett., 12(5), 540-542 (2000). 📄

Yungseon Eo, William R. Eisenstadt, and Jong-In Shim, "S-Parameter-Measurement-Based High-Speed Signal Transient Characterization of VLSI Interconnects on SiO2-Si Substrate", IEEE T. Adv. Packaging, 23(3), 470-479 (2000). 📄

Ku-ho Chung and Jong-In Shim, "A New Polarization-Insensitive 1.55- μm InGaAs(P)–InGaAsP Multiquantum-Well Electroabsorption Modulator Using a Strain-Compensating Layer", IEEE Journal., Quantum Electronics 35(5):730 - 736 (1999). 📄

Gyeong-il Kweon, In-shik Park, and Jong-In Shim, "Laser-to-fiber optical coupling scheme with a long working distance by use of thermally overexpanded fiber", Appl. Opt. 37, 4789-4796 (1998).  📄

Gyeong-il Kweon, In-shik Park, and Jong-In Shim, "A Computational Method of Determining Reflectance at Abrupt Waveguide Interfaces", J. Lightwave Technol., 14(10), 2436 - 2443 (1996). 📄

Jong-In Shim, Hiroyuki Yainazaki, Masayuki Yamaguchi, and Mitsuhiro Kitamura, "1.5μm InGaAsPhP Multi-Gain-Levered -MQW-DFB-LD with high efficiency and large bandwidth FM response", IEEE J. Sel. Top. Quantum Electron., 1(2), 516 - 522 (1995). 📄

Jong-In Shim, Henning Olesen, Hiroyuki Yamazaki, Masayuki Yamaguchi, and Mitsuhiro Kitamura, "1.5-μm InGaAsP-InP Multigain-Levered-MQW-DFB-LD with High-Efficiency and Large-Bandwidth FM Response", IEEE Journal of Selected Topics in Quantum Electronics, 1(2), 516 - 522 (1995). 📄

Henning Olesen, Jong-In Shim, Masayuki Yamaguchi, and Mitsuhiro Kitamura, "Proposal of Novel Gain-Levered MQW DFB Lasers with High and Red-Shifted FM Response", IEEE Photonics Technol. Lett., 5(6), 599 - 602 (1993). 📄

Koji Kudo, Shigehisa Arai, and Jong-In Shim, "Linewidth Reduction of DSM Lasers Due to Effects of Composite Cavity and Distributed Reflectors", IEEE Journal of Quantum Electronics, 29(6), 1769 - 1781 (1993). 📄

Koji Kudo, Jong In Shim, Kazuhiro Komori, and Shigehisa Arai, " Reduction of Effective Linewidth Enhancement Factor αeff of DFB Lasers with Complex Coupling Coefficients", IEEE Photonics Technol. Lett., 4(6), 531 - 534 (1992). 📄

Jong-In Shim, Kazuhiro Komori, Shigehisa Arai, Isao Arima, Yasuharu Suematsu, and Ratanathammaphan Somchai, "Lasing Characteristics of 1.5 μm GaInAsP-InP SCH-BIG-DR Lasers", IEEE Journal of Quantum Electronics 27(6):1736 - 1745 (1991). 📄

Koji Kudo, Jong-In Shim, Kazuhiro Komori, and Shigehisa Arai, "Reduction of Effective Linewidth Enhancement Factor αeff of DFB Lasers with Complex Coupling Coefficients", IEEE Photonics Technol. Lett., 4(6), 531 - 534 (1992). 📄

 Jong-In Shim, T. Nomaguchi, Koji Kudo, and Shigehisa Arai, "Proposal and realisation of new type distributed reflector laser with multiquantum-well structure", Electron. Lett., 28(8), 741-74 (1992). 📄

S. H. Park, Jong-In Shim, Koji Kudo, Masato Asada, and Shigehisa Arai, "Band gap shrinkage in GaInAs/GaInAsP/InP multiquantum well lasers", J. Appl. Phys.,  72(1), 279 - 281 (1992). 📄

Jong-In Shim, Kazuhiro Komori, Shigehisa Arai, Isao Arima, Yasuharu Suematsu, and Ratanathammaphan Somchai, "Lasing Characteristics of 1.5 μm GaInAsP-InP SCH-BIG-DR Lasers", IEEE Journal of Quantum Electronics, 27(6), 1736 - 1745 (1991). 📄

Isao Arima, Jong-In Shim, Shigehisa Arai, Itsuro Morita, R. Somchai, Yasuharu Suematsu, Kazuhiro Komori, "1.5 μm GaInAsP/InP distributed reflector (DR) lasers with SCH structure", IEEE Photonics Technol. Lett., 2(6), 385 - 387 (1990). 📄

Jong-In Shim, K. S. Lee, Shigehisa Arai, Yasuharu Suematsu, Kazuhiro Komori, "New λ/4 phase-shift method by conversion of refractive index difference and application for 1.5 μm GaInAsP/InP DFB laser", Electron. Lett., 25(24), 1654-1656 (1989). 📄