Abstract

A novel polarization rotator (PR) is proposed based on a spiral photonic crystal fiber aided by liquid crystal. The proposed PR has an ultrashort length of only 4.17μm and a low cross talk of 20.93dB, and the proposed PR offers a nearly 100% polarization conversion efficiency for the whole C-band. In addition, a large temperature tolerance of ±5°C and a large rotation angle tolerance of ±4° can be accepted based on the full-vector finite-element method simulation. The proposed PR is a potentially effective polarization conversion device for applications in modern communication systems.

© 2017 Optical Society of America

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