Vertically coupled microresonators and oscillatory mode splitting in photonic molecules

Fang Bo, Şahin Kaya Özdemir, Bo Peng, Jie Wang, Guoquan Zhang, Jingjun Xu, Lan Yang

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

We report the formation of a photonic molecule by vertically coupling two microdisk resonators. We show that mode splitting monotonously increases when one resonator vertically approaches the other. However, when the vertical distance is kept fixed and one resonator is moved horizontally with respect to the other, the strength of coupling and hence the mode splitting demonstrate an oscillatory behavior. This is attributed to the interference of light coupled into the resonators through multiple coupling regions as confirmed by a theoretical model based on coupled mode theory.

Original languageEnglish (US)
Pages (from-to)30793-30800
Number of pages8
JournalOptics Express
Volume23
Issue number24
DOIs
StatePublished - Nov 30 2015

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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