Prof. SeungHyun Lee Profile

Prof. SeungHyun Lee

at Univ of Texas at Arlington

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Author

Publications (16)

Proceedings Article | 8 March 2024 Presentation + Paper

Very high gain and low noise GaAsSb/AlGaAsSb avalanche photodiodes for 1550nm detection at room temperature

Yifan Liu, Xiao Jin, Seunghyun Lee, Hyemin Jung, Harry I. Lewis, Bingtian Guo, Sri Kodati, Mariah Schwartz, Christopher Grein, T. Ronningen, Joe Campbell, Sanjay Krishna, John P. David

Proceedings Volume 12882, 128820O (2024) https://doi.org/10.1117/12.3011687

KEYWORDS: Avalanche photodetectors, Avalanche photodiodes, Ionization, Dark current

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Proceedings Article | 13 June 2023 Presentation + Paper

Investigation of Zn-diffusion in 2-micron InGaAs/GaAsSb superlattice planar diodes using atomic layer deposition of ZnO

Manisha Muduli, Mariah Schwartz, Nathan Gajowski, Seunghyun Lee, Sanjay Krishna

Proceedings Volume 12534, 125340A (2023) https://doi.org/10.1117/12.2663602

KEYWORDS: Zinc, Zinc oxide, Diffusion, Atomic layer deposition, Avalanche photodetectors, Annealing, Fabrication, Diodes, Dark current, Superlattices

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Proceedings Article | 13 June 2023 Poster + Paper

Investigation of recombination mechanisms in GaAsSb photodiodes using minority carrier lifetime measurements

Amber Arquitola, Neha Nooman, Seunghyun Lee, Hyemin Jung, Sanjay Krishna

Proceedings Volume 12534, 125341Z (2023) https://doi.org/10.1117/12.2663859

KEYWORDS: Carrier dynamics, Infrared materials, Material characterization, Semiconductor materials, Temperature metrology, Doping, Dark current, Short wave infrared radiation, Photodiodes, Avalanche photodetectors, Reflectivity, Microwave radiation

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Proceedings Article | 15 March 2023 Presentation + Paper

Material optimization for extended short-wavelength and mid-wavelength infrared avalanche photodiodes

S. Tempel, M. Winslow, S. Kodati, S. Lee, T. Ronningen, J. Campbell, S. Krishna, S. Krishnamurthy, C. Grein

Proceedings Volume 12430, 124300G (2023) https://doi.org/10.1117/12.2656405

KEYWORDS: Ionization, Scattering, Electrons, Indium arsenide, Mercury cadmium telluride, Alloys, Simulations, Superlattices, Phonons

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Proceedings Article | 7 December 2022 Presentation + Paper

Avalanche multiplication and excess noise characteristics in antimony-based avalanche photodiodes

John P. David, Xiao Jin, Harry Lewis, Bingtian Guo, Seunghyun Lee, Hyemin Jung, Sri Harsha Kodati, Baolai Liang, Sanjay Krishna, Joe Campbell

Proceedings Volume 12274, 122740A (2022) https://doi.org/10.1117/12.2640257

KEYWORDS: Antimony, Aluminum, Ionization, Gallium antimonide, Gallium, Avalanche photodetectors, Silicon, Signal to noise ratio, Diodes, Avalanche photodiodes

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Proceedings Article | 27 May 2022 Presentation + Paper

Determination of doping polarity of unintentionally doped antimonide avalanche photodiodes on InP substrate

Mariah Schwartz, Sri Harsha Kodati, SeungHyun Lee, Hyemin Jung, Dekang Chen, Chris Grein, T. J. Ronningen, Joe Campbell, Sanjay Krishna

Proceedings Volume 12107, 121070G (2022) https://doi.org/10.1117/12.2622140

KEYWORDS: Capacitance, Doping, Avalanche photodiodes, Avalanche photodetectors, Signal to noise ratio, Switching, Dielectrics, Antimony, Aluminum, Temperature metrology

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Proceedings Article | 27 May 2022 Presentation + Paper

Growth and characterization of InGaAs/GaAsSb type II superlattice absorbers for 2 µm avalanche photodiodes

Hyemin Jung, Seunghyun Lee, Mariah Schwartz, Bingtian Guo, Christoph Grein, Joe Campbell, Sanjay Krishna

Proceedings Volume 12107, 121070E (2022) https://doi.org/10.1117/12.2622146

KEYWORDS: Avalanche photodetectors, Quantum efficiency, Doping, Signal to noise ratio, LIDAR, Capacitance, Superlattices, Avalanche photodiodes, Indium gallium arsenide, Heterojunctions

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Proceedings Article | 17 May 2022 Paper

Excess noise measurements in Al0.85Ga0.15As0.56Sb0.44 avalanche photodiodes

Xiao Jin, Bingtian Guo, Harry Lewis, SeungHyun Lee, Baolai Liang, Sanjay Krishna, Joe Campbell, John David

Proceedings Volume 12139, 1213907 (2022) https://doi.org/10.1117/12.2624285

KEYWORDS: Avalanche photodetectors, Signal to noise ratio, Ionization, Antimony, Indium gallium arsenide, Avalanche photodiodes, Aluminum, Absorption, Doping, Silicon

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Proceedings Article | 12 April 2021 Poster + Paper

Low noise AlInAsSb avalanche photodiodes on InP substrates for 1.55 µm infrared applications

S. H. Kodati, S. Lee, B. Guo, A. Jones, M. Schwartz, M. Winslow, N. Pfiester, C. Grein, T. Ronningen, J. Campbell, S. Krishna

Proceedings Volume 11741, 117411X (2021) https://doi.org/10.1117/12.2587884

KEYWORDS: Avalanche photodiodes, Infrared radiation, Avalanche photodetectors, LIDAR, Optical communications, Target detection, Photonics, Ionization, Indium gallium arsenide

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Proceedings Article | 12 April 2021 Presentation + Paper

Thick Al0.85Ga0.15As0.56Sb0.44 avalanche photodiodes on InP substrate

Seunghyun Lee, Sri Harsha Kodati, Bingtian Guo, Andrew Jones, Mariah Schwartz, Hyemin Jung, Nicole Pfiester, Martin Winslow, Christopher Grein, Theodore Ronningen, Joe Campbell, Sanjay Krishna

Proceedings Volume 11741, 117410B (2021) https://doi.org/10.1117/12.2585831

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Proceedings Article | 18 May 2020 Paper

Modeling and extraction of optical characteristics of InAs/GaSb strained layer superlattice

N. Pfiester, J. Budhu, S. H. Lee, V. Rogers, K.-K. Choi, C. Ball, S. Young, A. Grbic, S. Krishna

Proceedings Volume 11407, 114070M (2020) https://doi.org/10.1117/12.2558525

KEYWORDS: Gallium antimonide, Superlattices, Data modeling, Refractive index, Oscillators, Absorption, Long wavelength infrared, Reflection, Photodetectors, Type II superlattice infrared photodetectors, Indium arsenide

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Proceedings Article | 23 April 2020 Presentation + Paper

Determination of background doping type in type-II superlattice using capacitance-voltage measurements with double mesa structure

D. Fink, S. Lee, S. H. Kodati, V. Dahiya, T. Ronningen, M. Winslow, C. Grein, A. Jones, J. Campbell, J. Klem, S. Krishna

Proceedings Volume 11407, 114070I (2020) https://doi.org/10.1117/12.2557105

KEYWORDS: Type II superlattice infrared photodetectors, Doping, Gallium antimonide, Capacitance, Superlattices, Semiconductors, Infrared sensors, Photodiodes, Diodes

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Proceedings Article | 14 May 2019 Presentation

Metamorphic pathways toward long-wavelength InAsSb via MBE and MOCVD (Conference Presentation)

Tyler Grassman, Vinita Dahiya, Julia Deitz, Seung Hyun Lee, Alireza Kazemi, Jacob Boyer, Sanjay Krishna

Proceedings Volume 11002, 110020L (2019) https://doi.org/10.1117/12.2520760

KEYWORDS: Metalorganic chemical vapor deposition, Long wavelength infrared, Photodetectors, Detector development, Infrared detectors, Gallium antimonide, Prototyping, Mercury cadmium telluride

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Proceedings Article | 13 May 2019 Paper

Low noise, near-infrared APDs for laser wavefront monitoring

Sri Harsha Kodati, Seunghyun Lee, Theodore Ronningen, Martin Winslow, Christoph Grein, Sanjay Krishna

Proceedings Volume 10981, 109810M (2019) https://doi.org/10.1117/12.2522357

KEYWORDS: Avalanche photodetectors, Gallium, Ionization, Electrons, Doping, Aluminum, Heterojunctions, Antimony, Avalanche photodiodes, Wavefronts

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Proceedings Article | 4 May 2018 Presentation + Paper

InAs/AlSb type II superlattice avalanche photodiodes (Erratum)

Seunghyun Lee, Alireza Kazemi, Sri Harsha Kodati, Sen Mathews, T. J. Ronningen, Martin Winslow, Christoph Grein, Nan Ye, Andrew Jones, Joe Campbell, Sanjay Krishna

Proceedings Volume 10637, 106370Q (2018) https://doi.org/10.1117/12.2309574

KEYWORDS: Avalanche photodetectors, Signal to noise ratio, Superlattices, Avalanche photodiodes, LIDAR

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Proceedings Article | 16 May 2017 Paper

High quantum efficiency mid-wavelength infrared superlattice photodetector

Alireza Kazemi, Stephen Myers, Zahra Taghipour, Sen Mathews, Ted Schuler-Sandy, Seung Hyun Lee, Vincent Cowan, Eli Garduno, Elizabeth Steenbergen, Christian Morath, Gamini Ariyawansa, John Scheihing, Sanjay Krishna

Proceedings Volume 10177, 101771M (2017) https://doi.org/10.1117/12.2263879

KEYWORDS: Quantum efficiency, Photodetectors, Superlattices, Mid-IR, Infrared detectors, Sensors, Stereolithography, Quantum well infrared photodetectors, Infrared photography, Infrared radiation, Antireflective coatings

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Showing 5 of 16 publications

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