Summary form only given. The random phase differences between facet reflectors and those due to the Bragg grating in uniform grating DFB lasers cause significant variations in the spectral characteristics from device to device. This results in a spread in the transmission performance for long haul fibre links. It is uneconomical to fail packaged components, therefore it is necessary to do comprehensive system modelling. In this paper, this spread in system penalty for varying coupling strength (/spl kappa/L) is modelled using a travelling wave laser model, and a single mode fibre model. Good agreement is found with experiment for InGaAsP, MQW, ridge waveguide, HR/AR(75%-3%) coated DFB lasers operating at 1.55 /spl mu/m.


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    Title :

    Effect of random facet phases in distributed feedback lasers on optical fibre link transmission penalty


    Contributors:


    Publication date :

    1999-01-01


    Size :

    392389 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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