Voice transmission via frequency-modulated diode laser light

Seung Koo Lee, Deok In Kim, Gee Na Kim, D. Cho

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    We have built a tabletop frequency modulation (FM) communication system that uses a laser field as the carrier. Voice information is encoded on the laser beam using an acousto-optic modulator, and it is extracted by a Michelson-type interferometer and a FM radio. This system can easily be converted to an intensity-modulated communication system. We discuss similar systems based on phase or polarization modulation using an electro-optic modulator.

    Original languageEnglish
    Pages (from-to)1037-1039
    Number of pages3
    JournalAmerican Journal of Physics
    Volume74
    Issue number11
    DOIs
    Publication statusPublished - 2006 Nov

    ASJC Scopus subject areas

    • General Physics and Astronomy

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