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- W2375212804 abstract "Abstract This paper presents a novel structure of GexSi1-x/Si MQW waveguide photodetector for 1.3μm operation. The main part of this device is a ring structure composed of ring-shaped waveguide with a width of 3μm.The input part is a straight waveguide with width of 8μm. These two parts are connected by a taper waveguide with the width shrinking from 8μm to 3μm.The device with such a structure exhibits higher coupling efficiency from fiber to the device and high internal quantum efficiency. The device layer structure,the electrical and optical characteristics are analyzed and designed carefully.The calculated results show that the external quantum efficiency of such ring waveguide photodetector can he 2 or 3 times larger than that of the traditional straight waveguide photodetectors,but the device still keeps short rise and fall time of about 110ps." @default.
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- W2375212804 date "1996-01-01" @default.
- W2375212804 modified "2023-09-26" @default.
- W2375212804 title "Optimization and Design of a Novel Ge_xSi_(1-x)/Si MQW Waveguide Photodetector for 1.3μm Operation" @default.
- W2375212804 hasPublicationYear "1996" @default.
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