We demonstrate for the first time that the unwanted relaxation oscillations in the overdriven DFB laser output can be suppressed by using a steep-edge notch filter. The filtering is realised using a mechanically tunable fibre Bragg grating (FBG) and is achieved without significant loss of the useful pulsed signal. In the experiment, several quantum-well DFB laser diodes from different manufacturers have been used.


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    Title :

    Tail-free operation of an overdriven gain-switched DFB laser by spectral filtering


    Contributors:
    Dubov, M.V. (author) / Giannone, D. (author) / Khrushchev, I.Y. (author) / Bennion, I. (author)


    Publication date :

    2001-01-01


    Size :

    189166 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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