Long-path formation in a deformed microdisk laser

Susumu Shinohara, Takehiro Fukushima, Satoshi Sunada, Takahisa Harayama, Kenichi Arai

    Research output: Contribution to journalArticle

    Abstract

    An asymmetric resonant cavity can be used to form a path that is much longer than the cavity size. We demonstrate this capability for a deformed microdisk equipped with two linear waveguides, by constructing a multiply reflected periodic orbit that is confined by total internal reflection within the deformed microdisk and outcoupled by the two linear waveguides. Resonant mode analysis reveals that the modes corresponding to the periodic orbit are characterized by high-quality factors. From measured spectral and far-field data, we confirm that the fabricated devices can form a path about 9.3 times longer than the average diameter of the deformed microdisk.

    Original languageEnglish
    Article number013831
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume94
    Issue number1
    DOIs
    Publication statusPublished - 2016 Jul 19

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    waveguides
    orbits
    cavity resonators
    lasers
    far fields
    Q factors
    cavities

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Long-path formation in a deformed microdisk laser. / Shinohara, Susumu; Fukushima, Takehiro; Sunada, Satoshi; Harayama, Takahisa; Arai, Kenichi.

    In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 94, No. 1, 013831, 19.07.2016.

    Research output: Contribution to journalArticle

    Shinohara, Susumu ; Fukushima, Takehiro ; Sunada, Satoshi ; Harayama, Takahisa ; Arai, Kenichi. / Long-path formation in a deformed microdisk laser. In: Physical Review A - Atomic, Molecular, and Optical Physics. 2016 ; Vol. 94, No. 1.
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