Laser & Optoelectronics Progress, Volume. 54, Issue 10, 100610(2017)
Analysis and Simulation of Detection Performance of Avalanche Photodiode
In order to reasonably set the bias voltage of an avalanche photodiode (APD) detector and thus to achieve the adjustable multiplier factor at a constant temperature, we analyse the working principle of the APD detector and factors of influencing its detection sensitivity, and measure the detection sensitivity of the APD detector in laboratory. The experimental results show that the APD detection sensitivity ranges from -47 dBm to -34 dBm when the communication rate changes from 10 Mb·s-1 to 2000 Mb·s-1. When the bias voltage changes from 55.0 V to 70.0 V, the detection sensitivities at communication rates of 10,100,1000 Mb·s-1 increase by 5.7,6.5,7.8 dB, respectively. The experimental results well validate the theoretical analysis, which provides technical support for improving the receptivity of space laser communication system.
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Fan Xinkun, Zhang Lei, Song Yansong, Jiang Lun. Analysis and Simulation of Detection Performance of Avalanche Photodiode[J]. Laser & Optoelectronics Progress, 2017, 54(10): 100610
Category: Fiber Optics and Optical Communications
Received: May. 11, 2017
Accepted: --
Published Online: Oct. 9, 2017
The Author Email: Xinkun Fan (fxk0823@163.com)