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Influence of current noise on the relaxation oscillation dynamics of semiconductor lasers

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7 Author(s)
Van der Sande, G. ; Department of Applied Physics and Photonics, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium ; Soriano, M.C. ; Yousefi, M. ; Peeters, M.
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We find experimentally that the relaxation oscillation peak in the relative intensity noise spectrum of a semiconductor laser has a higher damping and lower frequency when we add low frequency noise to the pump current. The broadening of the relaxation oscillation peak with increasing carrier noise level is interpreted as an increase of the nonlinear gain compression with noise strength.

Published in:

Applied Physics Letters  (Volume:88 ,  Issue: 7 )