Characteristics of an avalanche photodiode with a spherical contact surface
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IOP Publishing Ltd
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The work presents an analysis of an avalanche photodiode (APD) with a spherical contact surface. We calculated the dependence of the avalanche multiplication and noise parameters on the incident light wavelength. Multiplication and noise parameters are compared with the literature data for ordinary APDs at six wavelengths (500, 600, 700, 800, 850 and 900 nm). For shorter wavelengths (800 nm and below), the noise factors of the presented structure are lower or comparable with those of the best of the reach-through APD. Thus we propose using the new avalanche photodiode structure as a detector for visible light.
Source:Semiconductor Science and Technology, 1997, 12, 8, 1003-1009
- IOP Publishing