Inverse-design-based polarization rotator using multi-layer metamaterials

Zexin Yu; Jifang Qiu; Zhenli Dong; Wenyu Li; Yuchen Chen; Hongxiang Guo; Jian Wu

doi:10.1117/12.2519616

14 February 2019 Inverse-design-based polarization rotator using multi-layer metamaterials

Zexin Yu, Jifang Qiu, Zhenli Dong, Wenyu Li, Yuchen Chen, Hongxiang Guo, Jian Wu

Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110482W (2019) https://doi.org/10.1117/12.2519616
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China

Abstract

A multi-layer polarization rotator is proposed and demonstrated based on inverse design. Simulation results show that the device successfully rotates the polarization state of the input light from TE to TM with a coupling length of only 2.8 um, and the insertion loss and extinction ratio are 3.29 dB and 25 dB respectively at the wavelength of 1550 nm. Besides, the device has a fairly-wide operating bandwidth of 64 nm from 1506 nm to 1570 nm.

Citation Download Citation

Zexin Yu, Jifang Qiu, Zhenli Dong, Wenyu Li, Yuchen Chen, Hongxiang Guo, and Jian Wu "Inverse-design-based polarization rotator using multi-layer metamaterials", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110482W (14 February 2019); https://doi.org/10.1117/12.2519616

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