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ASE in laser

  1. Dec 7, 2004 #1
    Hi all !

    There is a question I can't find an appropriate answer.
    Conceptually, I can see what is ASE (amplified spontaneous emission) in lasers such as fiber lasers, but..... what information does a measurement of the ASE spectrum give to us ?
    I know that reducing the ASE is of great interest to increase the S/N ratio for optical amplifiers, but when studying lasers, what is the need in measuring the ASE spectrum ?
    Is it a measurement of the gain spectrum or something like that ?

    Thank you
  2. jcsd
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