All-photonic, dynamic control of optical path length in a silica sphere resonator

Monica Agarwal, Iwao Teraoka

Research output: Contribution to journalArticle

Abstract

We demonstrate dynamic control of the optical path length for probe light in a spherical dielectric resonator simply by multiplexing intense control light of another color and adjusting its wavelength. The fractional change in the path length, monitored by the resonance wavelengths of whispering gallery modes of the probe light, was nearly equal to the fractional change in the wavelength of the control light. The control was effective in both increasing and decreasing the wavelength, but the weaker the control light or the faster the wavelength change, the narrower the range of control.

Original languageEnglish (US)
Pages (from-to)2640-2643
Number of pages4
JournalOptics Letters
Volume38
Issue number15
DOIs
StatePublished - Aug 1 2013

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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