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Gain compression and its dependence on output power in quantum dot lasers

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10 Author(s)
Zhukov, A.E. ; St. Petersburg Academic University RAS, Saint-Petersburg, 194021, Russia ; Maximov, M.V. ; Savelyev, A.V. ; Shernyakov, Yu.M.
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The gain compression coefficient was evaluated by applying the frequency modulation/amplitude modulation technique in a distributed feedback InAs/InGaAs quantum dot laser. A strong dependence of the gain compression coefficient on the output power was found. Our analysis of the gain compression within the frame of the modified well-barrier hole burning model reveals that the gain compression coefficient decreases beyond the lasing threshold, which is in a good agreement with the experimental observations.

Published in:

Journal of Applied Physics  (Volume:113 ,  Issue: 23 )

Date of Publication:

Jun 2013

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