Optimization design and realization of Gaussian apodized sample gratings for narrowband wavelength selectivity filters |
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| Authors: | Peng Chen Rong Wang Tao Pu Lin Lu Tao Fang Jilin Zheng Zhi-chun Gan |
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| Affiliation: | [1]College of Communication Engineering, PLA University of Science and Technology, Nanjing 210007, China [2]The PLA Academy of Communication Command Wuhan 430010, China |
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| Abstract: | A sample fiber Bragg grating (SFBG) with Gaussian apodization profile is designed and optimized for the narrowband wavelength
filter, and the relevant conclusions provide a guide for the further filter fabrication. With the grating length limited,
a narrowband (5 GHz) grating filter used in the radio over fiber (ROF) system is fabricated, which has insertion loss of 3.463
dB, sideband suppression of 24.21dB, 3 dB bandwidth of 40 pm, and 20 dB bandwidth of 106.3 pm. |
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