Controlled manipulation of mode splitting in an optical microcavity by two Rayleigh scatterers

Jiangang Zhu, Şahin Kaya Özdemir, Lina He, Lan Yang

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

We report controlled manipulation of mode splitting in an optical microresonator coupled to two nanoprobes. It is demonstrated that, by controlling the positions of the nanoprobes, the split modes can be tuned simultaneously or individually and experience crossing or anti-crossing in frequency and linewidth. A tunable transition between standing wave mode and travelling wave mode is also observed. Underlying physics is discussed by developing a two-scatterer model which can be extended to multiple scatterers. Observed rich dynamics and tunability of split modes in a single microresonator will find immediate applications in optical sensing, opto-mechanics, filters and will provide a platform to study strong light-matter interactions in two-mode cavities.

Original languageEnglish (US)
Pages (from-to)23535-23543
Number of pages9
JournalOptics Express
Volume18
Issue number23
DOIs
StatePublished - Nov 8 2010

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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