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 and a low cross talk of , and the proposed PR offers a nearly 100% polarization conversion efficiency for the whole C-band. In addition, a large temperature tolerance of and a large rotation angle tolerance of 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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