We reduced the afterpulsing probability by a factor of five in a Geiger-mode photon-counting InGaAs avalanche photodiode by using sub-band-gap (/spl lambda/=1.95 /spl mu/m) laser diode illumination, which we believe photoionizes the trapped carriers.


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    Title :

    Photoionization of trapped carriers in avalanche photodiodes to reduce afterpulsing during Geiger-mode photon counting


    Contributors:


    Publication date :

    2005-01-01


    Size :

    378108 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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