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Photodetector, optical communication device equipped with the same, method for making of photodetector, and method for making of optical communication device
Photodetector, optical communication device equipped with the same, method for making of photodetector, and method for making of optical communication device
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机译:光电检测器,具备该光电检测器的光通信装置,该光电检测器的制造方法以及光通信装置的制造方法
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摘要
The present invention provides a photodetector which solves the problem of low sensitivity of a photodetector, an optical communication device equipped with the same, and a method for making the photodetector, and a method for making the optical communication device. The photodetector includes a substrate, a lower cladding layer arranged on the substrate, an optical waveguide arranged on the lower cladding layer, an intermediate layer arranged on the optical waveguide, a optical absorption layer arranged on the intermediate layer, a pair of electrodes arranged on the optical absorption layer, and wherein the optical absorption layer includes a IV-group or III-V-group single-crystal semiconductor, and the optical absorption layer absorbs an optical signal propagating through the optical waveguide.
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