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Semiconductor heterostructure photodetectors[J]. PHYSICS, 2002, 31(08).
Citation: Semiconductor heterostructure photodetectors[J]. PHYSICS, 2002, 31(08).
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Semiconductor heterostructure photodetectors

  • 中国科学院半导体研究所 北京 100083

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  • Published Date: August 19, 2002
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  • Photodetectors are optoelectronic devices that detect light and turn it to electrical signals. The device structure and operation principle of PIN photodiodes, avalanche photodiode and semiconductor-metal-semiconductor MSM photodiodes are described. Their responsivity, noise and bandwidth are also discussed. These devices have been widely used in many optoelectronic systems in optical fiber communications, optical processing etc.
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