Realization of quantum efficiency enhanced PIN photodetector by assembling resonant waveguide grating |
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| Authors: | Jinhua Hu Yongqing Huang Xiaomin Ren Xiaofeng Duan Yehong Li Yang Luo |
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| Affiliation: | State Key Laboratory of Information Photonics and Optical Communications, Institute of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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| Abstract: | We demonstrate an InP/InGaAs PIN photodetector with enhanced quantum efficiency by assembling silicon resonant waveguide gratings for the application of polarization sensitive systems. The measured results show that quantum efficiency of the photodetector with silicon resonant waveguide gratings can be increased by 31.6% compared with that without silicon resonant waveguide gratings at the wavelength range of 1500 to 1600 nm for TE-polarization. |
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| Keywords: | 230.5160 230.5440 050.2770 |
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