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Optical circulation in a multimode optomechanical resonator

Author

Listed:
  • Freek Ruesink

    (AMOLF)

  • John P. Mathew

    (AMOLF)

  • Mohammad-Ali Miri

    (The University of Texas at Austin)

  • Andrea Alù

    (The University of Texas at Austin
    City University of New York
    City University of New York
    City College of The City University of New York)

  • Ewold Verhagen

    (AMOLF)

Abstract

Breaking the symmetry of electromagnetic wave propagation enables important technological functionality. In particular, circulators are nonreciprocal components that can route photons directionally in classical or quantum photonic circuits and offer prospects for fundamental research on electromagnetic transport. Developing highly efficient circulators thus presents an important challenge, especially to realise compact reconfigurable implementations that do not rely on magnetic fields to break reciprocity. We demonstrate optical circulation utilising radiation pressure interactions in an on-chip multimode optomechanical system. Mechanically mediated optical mode conversion in a silica microtoroid provides a synthetic gauge bias for light, enabling four-port circulation that exploits tailored interference between appropriate light paths. We identify two sideband conditions under which ideal circulation is approached. This allows to experimentally demonstrate ~10 dB isolation and

Suggested Citation

  • Freek Ruesink & John P. Mathew & Mohammad-Ali Miri & Andrea Alù & Ewold Verhagen, 2018. "Optical circulation in a multimode optomechanical resonator," Nature Communications, Nature, vol. 9(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04202-y
    DOI: 10.1038/s41467-018-04202-y
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    Cited by:

    1. Tianming Li & Feng Wu & Chengping Yin & Haoxiang Jiang, 2024. "Dichroism and broadband nonreciprocal transmission in Weyl semimetals," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 97(5), pages 1-14, May.

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