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Acta Photonica Sinica, Volume. 34, Issue 12, 1788(2005)

Theory and Experiment of Increasing the Extinction Ratio of the Cascaded Long Period Gratings Utilizing the Fiber Loop Mirror

[in Chinese]1,2, [in Chinese]1, [in Chinese]1, [in Chinese]1, [in Chinese]1, [in Chinese]1, [in Chinese]1, and [in Chinese]1
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    The interferometric spectrum of the cascaded long period gratings (LPG) has been modulated, and it is presented that the extinction ratio can be doubled when a fiber loop mirror is connected at the end of the cascaded LPGs, which has been proved by the experiment. The fiber loop mirror is indeed an effective and simple way to increase the extinction ratio.

    Keywords
    Extinction ratioFiber loop mirrorLong period gratingCascaded
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    [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Theory and Experiment of Increasing the Extinction Ratio of the Cascaded Long Period Gratings Utilizing the Fiber Loop Mirror[J]. Acta Photonica Sinica, 2005, 34(12): 1788

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    Received: Nov. 17, 2003

    Accepted: --

    Published Online: Jun. 13, 2006

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    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology