Mr. Sheikh Z. Ahmed Profile

Sheikh Z. Ahmed

at Univ of Virginia

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Publications (2)

Proceedings Article | 27 April 2020 Presentation

Density functional theory based bandstructure analysis of graphene-HgCdTe heterostructure mid-wave infrared detector for Earth science applications (Conference Presentation)

Samiran Ganguly, Sheikh Ahmed, Avik Ghosh, Ashok Sood, John Zeller, Parminder Ghuman, Sachidananda Babu, Nibir Dhar

Proc. SPIE. 11388, Image Sensing Technologies: Materials, Devices, Systems, and Applications VII

KEYWORDS: Infrared sensors, Mid-IR, Photodetectors, Mercury cadmium telluride, Graphene, Sensors, Physics, Sensor performance, Earth sciences, Heterojunctions

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Proceedings Article | 23 April 2020 Presentation

A multiscale compact model of low noise p-i-n avalanche photodiodes (Conference Presentation)

Sheikh Ahmed, Samiran Ganguly, Yuan Yuan, Jiyuan Zheng, Joe Campbell, Avik Ghosh

Proc. SPIE. 11386, Advanced Photon Counting Techniques XIV

KEYWORDS: Internet, Photonic devices, Avalanche photodetectors, Electronic components, Monte Carlo methods, Telecommunications, Sensing systems, Avalanche photodiodes, Systems modeling, Instrument modeling

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