Antimonide-based visible to short wavelength infrared bispectral photodetector

Chunyan Guo; Ying Ding; Edward Wasige; Qingxuan Jia; Guowei Wang; Yingqiang Xu; Zhichuan Niu; Tao Wang; Jinshou Tian; Zhaoxin Wu

doi:10.1117/12.2520738

26 April 2019 Antimonide-based visible to short wavelength infrared bispectral photodetector

Chunyan Guo, Ying Ding, Edward Wasige, Qingxuan Jia, Guowei Wang, Yingqiang Xu, Zhichuan Niu, Tao Wang, Jinshou Tian, Zhaoxin Wu

Author Affiliations +

Proceedings Volume 11031, Integrated Optics: Design, Devices, Systems, and Applications V; 1103113 (2019) https://doi.org/10.1117/12.2520738
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

We report cylinder photon traps, prism photon traps, and SiO2/Ta2O5 antireflection films added to the active areas of short wavelength infrared detectors. The total device thickness was estimated ~3.3μm and with the p-i-n structure based on antimonide. The simulation results show that the photon traps increase the absorption of the invisible spectrum distinctly. Also, the optical measurements reveal that maximal responsivity of the detector with PTs array is 0.094A/W in the visible range and 0.64A/W in the short wavelength infrared spectrum. The responsivity in the wavelength of short-wave infrared can be increased apparently as well. Thus, the photon traps array may a potential method for antimonide-based visible to short wavelength infrared bispectral photodetector.

Citation Download Citation

Chunyan Guo, Ying Ding, Edward Wasige, Qingxuan Jia, Guowei Wang, Yingqiang Xu, Zhichuan Niu, Tao Wang, Jinshou Tian, and Zhaoxin Wu "Antimonide-based visible to short wavelength infrared bispectral photodetector", Proc. SPIE 11031, Integrated Optics: Design, Devices, Systems, and Applications V, 1103113 (26 April 2019); https://doi.org/10.1117/12.2520738

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