Microcavity-based generation of full Poincaré beams with arbitrary skyrmion numbers

Wenbo Lin, Yasutomo Ota, Yasuhiko Arakawa, Satoshi Iwamoto

研究成果: Article査読

10 被引用数 (Scopus)

抄録

A full Poincaré (FP) beam possesses all possible optical spin states in its cross section, which constitutes an optical analog of a skyrmion. Until now FP beams have been exclusively generated using bulk optics. Here we propose a generation scheme of an FP beam based on an optical microring cavity. We position two different angular gratings along with chiral lines on a microring cavity and generate an FP beam as a superposition of two light beams with controlled spin and orbital angular momenta. We numerically show that FP beams with tailored skyrmion numbers can be generated from this device, opening a route for developing compact light sources with unique optical spin fields.

本文言語English
論文番号023055
ジャーナルPhysical Review Research
3
2
DOI
出版ステータスPublished - 2021 4月 19
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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