A six-channel wavelength-mode-division multiplexer/demultiplexer based on photonic crystals

Lianxiang Liu; Heming Chen

doi:10.1117/12.2537562

19 November 2019 A six-channel wavelength-mode-division multiplexer/demultiplexer based on photonic crystals

Lianxiang Liu, Heming Chen

Proceedings Volume 11184, Optoelectronic Devices and Integration VIII; 1118405 (2019) https://doi.org/10.1117/12.2537562
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

In this paper, a 6-channel wavelength-mode division hybrid multiplexer/demultiplexer based on photonic crystals is proposed. The device consists of three combined resonators, three wavelength selective reflection microcavities, single mode waveguides, multimode waveguides and tapered coupled waveguides. The filtering is realized by the structure of combined resonator and wavelength selective reflection microcavity, and the mode conversion is realized by the structure of the asymmetric parallel waveguide. The simulation analysis by time-domain finite difference method shows that the device can realize the multiplexing/demultiplexing of six channels, i. e. , the 1550 nm TE₀ mode, 1530 nm TE₀ mode, 1550 nm TE₁ mode, 1530 nm TE₁ mode, 1550 nm TE₂ mode and 1530 nm TE₂ mode. Its insertion loss is <0.132dB and the channel crosstalk is <-15.01dB. The device has important application value for large-capacity optical communication system.

Citation Download Citation

Lianxiang Liu and Heming Chen "A six-channel wavelength-mode-division multiplexer/demultiplexer based on photonic crystals", Proc. SPIE 11184, Optoelectronic Devices and Integration VIII, 1118405 (19 November 2019); https://doi.org/10.1117/12.2537562

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