Stable coherent coupling of laser diodes by a volume Bragg grating in photothermorefractive glass

    Authors

    G. B. Venus; A. Sevian; V. I. Smirnov;L. B. Glebov

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    PHASE-LOCKING; HIGH-POWER; ARRAY; CAVITY; INJECTION; BEAM; Optics

    Abstract

    Two separate laser diodes emitting near 980 nm were coupled by a thick volume Bragg grating recorded in a photothermorefractive glass. The coupled diodes emitted at the same wavelength with a spectral width narrowed to below the resolution of the spectrum analyzer ( < 30 pm). Coherent emission at a pumping level greater than five times above the threshold was observed for several months with near-unity visibility of the interference pattern. (c) 2006 Optical Society of America.

    Journal Title

    Optics Letters

    Volume

    31

    Issue/Number

    10

    Publication Date

    1-1-2006

    Document Type

    Article

    Language

    English

    First Page

    1453

    Last Page

    1455

    WOS Identifier

    WOS:000237431600030

    ISSN

    0146-9592

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