Dr. Jo Shien Ng Profile

Dr. Jo Shien Ng

Royal Society University Research Fellow at Univ of Sheffield

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Author

Publications (19)

Proceedings Article | 7 June 2024 Presentation + Paper

Low photon detection using low-noise InAs and AlGaAsSb avalanche photodiodes

C. Tan, T. Blain, J. Taylor-Mew, Y. Cao, B. White, X. Collins, J. Ng, J. David

Proceedings Volume 13046, 130460K (2024) https://doi.org/10.1117/12.3015259

KEYWORDS: Avalanche photodetectors, Indium arsenide, Photodetectors, Dark current, Avalanche photodiodes, Mercury cadmium telluride, Indium gallium arsenide, Single photon detectors, Electric fields, Diodes

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Proceedings Article | 14 March 2023 Presentation + Paper

Low-noise AlGaAsSb avalanche photodiodes for 1550 nm light detection

Xiao Collins, Benjamin Sheridan, David Price, Ye Cao, Tarick Blain, Jo Shien Ng, Chee Hing Tan, Benjamin White

Proceedings Volume 12417, 124170K (2023) https://doi.org/10.1117/12.2651669

KEYWORDS: Avalanche photodetectors, Dark current, Avalanche photodiodes, Signal to noise ratio, Ionization, Indium gallium arsenide, Amplifiers

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Proceedings Article | 4 March 2022 Presentation + Paper

Low-noise AlGaAsSb avalanche photodiodes for 1550nm light detection

Xiao Collins, Benjamin White, Ye Cao, Tarick Osman, Jonathan Taylor-Mew, Jo Shien Ng, Chee Hing Tan

Proceedings Volume 11997, 1199709 (2022) https://doi.org/10.1117/12.2608842

KEYWORDS: Avalanche photodetectors, Amplifiers, Signal to noise ratio, Ionization, Indium gallium arsenide, Avalanche photodiodes, Absorption, Sensors, LIDAR, Interference (communication)

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Proceedings Article | 18 September 2018 Presentation + Paper

Al0.85Ga0.15As0.56Sb0.44 avalanche photodiodes with high immunity to temperature fluctuation

S. Abdullah, S. Zhang, J. S. Ng, C. H. Tan

Proceedings Volume 10729, 107290F (2018) https://doi.org/10.1117/12.2326847

KEYWORDS: Avalanche photodetectors, Temperature metrology, Avalanche photodiodes, Diodes, Scattering, Ionization, Phonons, Wide bandgap semiconductors, Photodiodes, Signal processing

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Proceedings Article | 18 September 2018 Paper

Study of avalanche statistics in very low noise AlGaAsSb APDs using a multi-channel analyzer

Lucas L. Pinel, Chee Hing Tan, Jo Shien Ng

Proceedings Volume 10729, 107290O (2018) https://doi.org/10.1117/12.2326846

KEYWORDS: Avalanche photodetectors, Diodes, Ionization, Signal to noise ratio, Statistical analysis, Avalanche photodiodes, Analytical research, Stochastic processes

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Proceedings Article | 1 May 2017 Presentation + Paper

Progress in low light-level InAs detectors- towards Geiger-mode detection

Chee Hing Tan, Jo Shien Ng, Xinxin Zhou, John David, Shiyong Zhang, Andrey Krysa

Proceedings Volume 10212, 102120G (2017) https://doi.org/10.1117/12.2262469

KEYWORDS: Ionization, Photons, Annealing, Temperature metrology, Wet etching, Avalanche photodetectors, Indium arsenide, Sensors, Avalanche photodiodes, Photon counting, Signal detection, Single photon, Photodiodes, Short wave infrared radiation

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Proceedings Article | 21 October 2016 Paper

High sensitivity InAs photodiodes for mid-infrared detection

Jo Shien Ng, Xinxin Zhou, Akeel Auckloo, Benjamin White, Shiyong Zhang, Andrey Krysa, John P. David, Chee Hing Tan

Proceedings Volume 9988, 99880K (2016) https://doi.org/10.1117/12.2243146

KEYWORDS: Indium arsenide, Avalanche photodetectors, Photodiodes, Mid-IR, Avalanche photodiodes, Satellites, Gases, Ionization, Electrons, Quantum efficiency

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Proceedings Article | 29 October 2015 Paper

A high sensitivity detector for underwater communication systems

J. S. Cheong, A. Auckloo, J. S. Ng, A. Krysa, J. P. David

Proceedings Volume 9647, 96470O (2015) https://doi.org/10.1117/12.2194996

KEYWORDS: Sensors, Avalanche photodetectors, Silicon, Telecommunications, Signal detection, Bandpass filters, Doping, Photodiodes, Light sources, Cladding

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Proceedings Article | 12 October 2015 Paper

InAs photodiode for low temperature sensing

X. Zhou, J. S. Ng, C. H. Tan

Proceedings Volume 9639, 96390V (2015) https://doi.org/10.1117/12.2197343

KEYWORDS: Indium arsenide, Photodiodes, Sensors, Black bodies, Temperature metrology, Radiation thermometry, Signal to noise ratio, Diodes, Photodetectors, Optical amplifiers

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Proceedings Article | 5 November 2013 Paper

Design of high sensitivity detector for underwater communication system

J. Cheong, J. S. Ong, J. Ng, A. Krysa, F. Bastiman, J. P. David

Proceedings Volume 8899, 88990G (2013) https://doi.org/10.1117/12.2031953

KEYWORDS: Absorption, Doping, Sensors, Quantum efficiency, Photodiodes, Telecommunications, Gallium arsenide, Diffusion, Solids, Modeling

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Proceedings Article | 21 February 2012 Paper

Dilute nitride GaInNAs and GaInNAsSb for solar cell applications

Siew Li Tan, Wai Mun Soong, Matthew Steer, Shiyong Zhang, Jo Shien Ng, John David

Proceedings Volume 8256, 82561E (2012) https://doi.org/10.1117/12.910349

KEYWORDS: Doping, Gallium arsenide, Solar cells, Diodes, External quantum efficiency, Lamps, Diffusion, Annealing, Light sources, Photons

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Proceedings Article | 14 May 2010 Paper

Reduction of dark current and unintentional background doping in InGaAsN photodetectors by ex situ annealing

Siew Li Tan, Lionel J. Tan, Yu Ling Goh, Shiyong Zhang, Jo Shien Ng, John P. David, Igor Marko, Jeremy Allam, Stephen Sweeney, Alfred Adams

Proceedings Volume 7726, 77261M (2010) https://doi.org/10.1117/12.853912

KEYWORDS: Semiconducting wafers, Annealing, Doping, Oxygen, Calcium, Gallium arsenide, Nitrogen, Photodetectors, Molecular beam epitaxy, Luminescence

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Proceedings Article | 28 April 2010 Paper

Simulations of avalanche breakdown statistics: probability and timing

Jo Shien Ng, Chee Hing Tan, John David

Proceedings Volume 7681, 76810K (2010) https://doi.org/10.1117/12.850145

KEYWORDS: Ionization, Lead, Photon counting, Electrons, Avalanche photodiodes, Picosecond phenomena, Single photon, Quantum efficiency, Silicon, Performance modeling

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Proceedings Article | 7 May 2009 Paper

InAlAs avalanche photodiode with type-II absorber for detection beyond 2 μm

Y. Goh, D. S. Ong, S. Zhang, J. S. Ng, C. H. Tan, J. P. David

Proceedings Volume 7298, 729837 (2009) https://doi.org/10.1117/12.819818

KEYWORDS: Avalanche photodetectors, Heterojunctions, Temperature metrology, Absorption, Electrons, Interfaces, Superlattices, Luminescence, PIN photodiodes, Avalanche photodiodes

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Proceedings Article | 30 April 2009 Paper

Avalanche photodiodes beyond 1.65 um

J. S. Ng, C. H. Tan, J. P. David

Proceedings Volume 7320, 73200V (2009) https://doi.org/10.1117/12.821060

KEYWORDS: Indium arsenide, Diodes, Avalanche photodetectors, Indium gallium arsenide, Superlattices, Ionization, Electrons, Absorption, Avalanche photodiodes, Signal detection

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Proceedings Article | 11 January 2008 Paper

Effects of spacer growth temperature on the optical properties of quantum dot laser structures

N. Hasbullah, J. S. Ng, H. Y. Liu, M. Hopkinson, J. P. David, T. Badcock, D. Mowbray, A. Sanchez, R. Beanland

Proceedings Volume 6800, 68000U (2008) https://doi.org/10.1117/12.759663

KEYWORDS: Electroluminescence, Temperature metrology, Gallium arsenide, Quantum wells, Indium arsenide, Transmission electron microscopy, Quantum dots, Gallium, Quantum dot lasers, Optical properties

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Proceedings Article | 16 October 2007 Paper

Fabrication of InAs photodiodes with reduced surface leakage current

Andrew Marshall, Chee Hing Tan, John David, Jo Shien Ng, Mark Hopkinson

Proceedings Volume 6740, 67400H (2007) https://doi.org/10.1117/12.740700

KEYWORDS: Indium arsenide, Etching, Photodiodes, Electrons, Staring arrays, Avalanche photodetectors, Surface finishing, Wet etching, Anisotropic etching, Mid-IR

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Proceedings Article | 29 October 2001 Paper

Design considerations for high-speed low-noise avalanche photodiodes

Beng Ng, Jo Ng, Paul Hambleton, John David, D. Ong, Graham Rees, Richard Tozer

Proceedings Volume 4594, (2001) https://doi.org/10.1117/12.446539

KEYWORDS: Avalanche photodetectors, Ionization, Performance modeling, Avalanche photodiodes, Statistical modeling, Space operations, Instrument modeling, Lithium, Chlorine, Solids

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Proceedings Article | 9 July 2001 Paper

How avalanche pulses evolve in space and time

S. Plimmer, Paul Hambleton, Beng Ng, G. Dunn, Jo Ng, John David, Graham Rees

Proceedings Volume 4283, (2001) https://doi.org/10.1117/12.432602

KEYWORDS: Electrons, Ionization, Monte Carlo methods, Avalanche photodetectors, Scattering, Performance modeling, Instrument modeling, Data modeling, Gallium arsenide, Avalanche photodiodes

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Showing 5 of 19 publications

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