Spatial phase information transmission through an optical fiber by coherence function synthesis

Yuichi Teramura, Fumihiko Kannari

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    Transmission of one-dimensional spatial phase information by low-coherence light through a single-mode optical fiber is experimentally demonstrated by use of space–time conversion at a 4-f Fourier coherence function shaper and time–space conversion with spectral holography. The dispersion during the fiber propagation can be automatically compensated for with spectral holography. However, space–time coupling caused by the transmitter limits the capacity of information transmittable with one coherence function shaping. A significant advantage in the space–time–space conversion with low-coherence light is that an infinite number of signal channels can be multiplexed with a newly invented delay-time division scheme, which can extend this analog transmission to two-dimensional spatial phase patterns.

    Original languageEnglish
    Pages (from-to)6466-6473
    Number of pages8
    JournalApplied Optics
    Volume40
    Issue number35
    DOIs
    Publication statusPublished - 2001 Dec 10

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Engineering (miscellaneous)
    • Electrical and Electronic Engineering

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