期刊
APPLIED OPTICS
卷 61, 期 11, 页码 3096-3100出版社
Optica Publishing Group
DOI: 10.1364/AO.452497
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资金
- Ministry of Electronics and Information Technology
- Department of Science and Technology, Ministry of Science and Technology, India
- Science and Engineering Research Board
This paper presents a 12-channel hybrid mode-, polarization-, and wavelength-division (de)multiplexer designed on a silicon-on-insulator platform. The device utilizes periodic grating structures for coupling different modes, and the simulation results show promising performance.
This paper presents a 12-channel hybrid mode-, polarization-, and wavelength-division (de)multiplexer. The proposed device is designed on a silicon-on-insulator platform. The device structure constitutes three coupling sections with a bus waveguide at the middle and two single-mode waveguides on each side. The periodic grating structures are present in between the waveguides for contra-directional coupling of the three TE modes and three TM modes of the bus waveguide to respective fundamental modes of the single-mode waveguides at 1550 and 1560 nm. The device is simulated using the 3D finite-difference time-domain technique, and the resulting insertion loss, cross talk, and return loss are <1.56 dB, < - 21.74 dB, and >12.22 dB, respectively. Moreover, the period of the grating structures is varied to perform the fabrication tolerance study. (C) 2022 Optica Publishing Group
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