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9 March 2024 Optically-addressed monolithically-integrated multi-band photodetectors using type-II superlattice materials
Zheng Ju, Xin Qi, Allison McMinn, Xiaoyang Liu, Yong-Hang Zhang
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Proceedings Volume PC12895, Quantum Sensing and Nano Electronics and Photonics XX; PC128950A (2024) https://doi.org/10.1117/12.3001983
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
This talk reports the operation principles and preliminary demonstration of monolithically integrated optically-addressed multiband PDs using GaSb and latticed-matched InAs/InAsSb type-II superlattices (T2SLs) to cover SWIR, MWIR, and LWIR detection ranges. The design minimizes the number of terminals so that it greatly reduces the complication of layout and device processing and ROIC complexity when implementing the photodetectors into an FPA. Details of device fabrications, characterization, modeling and performances such as dark current, spectral responsivity, and cross-talk will be presented.
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Zheng Ju, Xin Qi, Allison McMinn, Xiaoyang Liu, and Yong-Hang Zhang "Optically-addressed monolithically-integrated multi-band photodetectors using type-II superlattice materials", Proc. SPIE PC12895, Quantum Sensing and Nano Electronics and Photonics XX, PC128950A (9 March 2024); https://doi.org/10.1117/12.3001983
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KEYWORDS
Photodetectors
Superlattices
Staring arrays
Palladium
Readout integrated circuits
Modeling
Optical switching
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