Frequency versus relaxation oscillations in a semiconductor laser with coherent filtered optical feedback

H. Erzgräber, B. Krauskopf, D. Lenstra, A.P.A. Fischer, G. Vemuri

Research output: Contribution to journalArticleAcademicpeer-review

38 Citations (Scopus)

Abstract

We investigate the dynamics of a semiconductor laser subject to coherent delayed filtered optical feedback. A systematic bifurcation analysis reveals that this system supports two fundamentally different types of oscillations, namely relaxation oscillations and external roundtrip oscillations. Both occur stably in large domains under variation of the feedback conditions, where the feedback phase is identified as a key quantity for controlling this dynamical complexity. We identify two separate parameter regions of stable roundtrip oscillations, which occur throughout in the form of pure frequency oscillations.

Original languageEnglish
Article number055201
Number of pages4
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume73
Issue number5
DOIs
Publication statusPublished - 1 Jun 2006

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