Enhanced Coupling to Microsphere Resonances with Optical Fibers

A. Serpengüzel, S. Arnold, G. Griffel, James A. Lock

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Morphology-dependent resonances (MDR's) of polystyrene microspheres were excited by an optical fiber coupler. For optical elimination of the air-cladding interface at the optical fiber coupler surface, the microsphere was immersed in an index-matching oil. MDR's were observed, even though the relative refractive index between the microsphere and the oil was only 1.09. The observed MDR spectra are in good agreement with the generalized Lorenz-Mie theory and the localization principle. The scattering efficiency into each MDR is estimated as a function of the impact parameter by means of generalized Lorenz-Mie theory. (C) 1997 Optical Society of America.

    Original languageAmerican English
    JournalJournal of the Optical Society of America B: Optical Physics
    Volume14
    DOIs
    StatePublished - Apr 1 1997

    Keywords

    • generalized Lorenz-Mie theory
    • guided waves
    • impact parameter
    • localization
    • microparticle
    • morphology-dependent resonances
    • photonic atom
    • scattering
    • whispering-gallery modes

    Disciplines

    • Physics

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