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

  • Shimao Li
  • , Yunhong Ding
  • , Xiaowei Guan
  • , Heyun Tan
  • , Zhichao Nong
  • , Lin Wang
  • , Lin Liu
  • , Lidan Zhou
  • , Chunchuan Yang
  • , Kresten Yvind
  • , Leif Katsuo Oxenløwe
  • , Siyuan Yu
  • , Xinlun Cai*
  • *Corresponding author for this work

    Research output: Contribution to journal › Article (Academic Journal) › peer-review

    25 Citations (Scopus)

    Abstract

    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%.

    Original languageEnglish
    Pages (from-to)1319-1322
    Number of pages4
    JournalOptics Letters
    Volume43
    Issue number6
    DOIs
    Publication statusPublished - 15 Mar 2018

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