Achromatic optical phase shifter-modulator

A.V. Zvyagin, David Sampson

    Research output: Contribution to journalArticle

    29 Citations (Scopus)


    We propose and demonstrate, theoretically and experimentally, a novel achromatic optical phase skifter-modulator based on a frequency-domain optical delay line configured to maintain zero group delay as variable phase delay is generated by means of tilting a mirror. Compared with previously reported phase shifter-modulators, e.g. based on the Pancharatnam (geometric) phase, our device is high speed and polarization insensitive and produces a large, bounded phase delay that, uniquely, is one-to-one mapped to a measurable parameter, the tilt angle. (C) 2001 Optical Society of America OCIS codes: 120.3180, 120.5060, 350.1370.
    Original languageEnglish
    Pages (from-to)187-189
    JournalOptics Letters
    Issue number4
    Publication statusPublished - 2001

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