Monday, July 1, 2013

1306.6773 (Yue Chuan Tan et al.)

Silicon avalanche photodiode operation and lifetime analysis for small

Yue Chuan Tan, Rakhitha Chandrasekara, Cliff Cheng, Alexander Ling
Silicon avalanche photodiodes (APDs) are sensitive to operating temperature fluctuations and are also susceptible to radiation flux expected in satellite-based quantum experiments. We introduce a low power voltage adjusting mechanism to overcome the effects of in-orbit temperature fluctuations. We also present data on the performance of Si APDs after irradiation (gamma-ray and proton beam). Combined with an analysis of expected orbital irradiation, we propose that a Si APD in a 400 km equatorial orbit may operate beyond the lifetime of the satellite.
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