Compact high-efficiency vortex beam emitter based on a silicon photonics micro-ring

Research output: Research - peer-reviewJournal article – Annual report year: 2018

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Photonic integrated devices that emit vortex beam carrying orbital angular momentum are becoming key components for multiple applications. Here we propose and demonstrate a high-efficiency vortex beam emitter based on a silicon micro-ring resonator integrated with a metal mirror. Such a compact emitter is capable of generating vortex beams with a high efficiency and small divergence angle. Vector vortex beams of various topological charges are selectively generated by the emitter at different wavelengths with an emission efficiency of up to 37%. (C) 2018 Optical Society of America
Original languageEnglish
JournalOptics Letters
Volume43
Issue number6
Pages (from-to)1319-1322
ISSN0146-9592
DOIs
StatePublished - 2018
CitationsWeb of Science® Times Cited: 1
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