All-photonic-crystal-fiber polarizer based on mode-selective coupling

Hu Liang; Xiaoming Zhao; Maochun Li; Bohan Liu; Jun Ma; Jie Yu

doi:10.1117/12.2573542

10 October 2020 All-photonic-crystal-fiber polarizer based on mode-selective coupling

Hu Liang, Xiaoming Zhao, Maochun Li, Bohan Liu, Jun Ma, Jie Yu

Proceedings Volume 11554, Advanced Sensor Systems and Applications X; 1155413 (2020) https://doi.org/10.1117/12.2573542
Event: SPIE/COS Photonics Asia, 2020, Online Only

Conference Poster

Abstract

A compact all-photonic-crystal-fiber (all-PCF) polarizer based on fused-type mode-selective fiber coupler is proposed theoretically. Around the wavelength of 1550 nm, the injected unpolarized fundamental mode in the solid-core PCF was selectively coupled into one polarization-mode of polarization-maintained photonic crystal fiber (PMPCF) by welldefined fiber cladding reduction, pretapering and fusion. Numerical simulations indicate the polarization direction of the excited polarization-mode depends on the tapered diameters of solid-core PCF and PMPCF. Moreover, the operation bandwidth of the proposed polarizer is more than 400 nm, which can completely cover the bandwidth of the erbiumdoped solid-core PCF amplified spontaneous emission (ASE) light source. The all-PCF polarizer is anticipated to serve as the key element in the PCF optic gyroscope.

Conference Presentation

Citation Download Citation

Hu Liang, Xiaoming Zhao, Maochun Li, Bohan Liu, Jun Ma, and Jie Yu "All-photonic-crystal-fiber polarizer based on mode-selective coupling", Proc. SPIE 11554, Advanced Sensor Systems and Applications X, 1155413 (10 October 2020); https://doi.org/10.1117/12.2573542

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