Semiconductor Quantum Dot Photodetector for High Speed Space Optical Communication

Abstract:

Space optical communication has become a promising application as a real-time and high-speed data rate in the near future. In this paper consider into account the cut off frequency of the photodetector in the space optical communication. We analyze an appropriate quantum dot infrared photodetector for high speed response. The analysis shows PN junction structure photodiode with the wide as d in the absorption window should be designed carefully to achieve both high sensitivity and high speed.

• Periodical: Applied Mechanics and Materials (Volumes 644-650)
• Pages: 1456-1458
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.644-650.1456
• Online since: September 2014
• Authors: Mao Tai Zhao*
• Keywords: High Speed, Quantum Dot Photodetector, Response Frequency, Space Optical Communication

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