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Analysis of a 1×32 polymer microring resonant wavelength de-multi/multiplexer assistant with interleave filter |
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| Authors: | Wen-Yuan Deng De-Gui Sun Wu Xu |
| Affiliation: | a State Key Laboratory on Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130021, China b Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130021, China c Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
| Abstract: | A new 1×32 wavelength de-multi/multiplexer utilizing the microring resonator and interleave filter is proposed in this paper. A novel formula of transfer functions is presented, the parameters of microring are optimized, and the transmission characteristics of the system are analyzed. The channel spacing of the presented device is 0.4 nm. The analytical result shows that the crosstalk between adjacent channels can be reduced greatly and the filter response of the device can be improved by using the interleave filter. A bandwidth (3 dB) of 0.21 nm, an insertion loss less than 1.1 dB, and crosstalk below −32 dB were obtained for the optimized device. A method for compensating the manufacturing tolerances is discussed. |
| Keywords: | Microring resonators Interleave filter DWDM Transfer function |
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