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Controlling the unstable emission of a semiconductor laser subject to conventional optical feedback with a filtered feedback branch

Ermakov; I. V., Tronciu; V. Z., Colet; P.; Mirasso; C.
Optics Express 17, 8749-8755 (2009)

We show the advantages of controlling the unstable dynamics of a semiconductor laser subject to conventional optical feedback by means of a second filtered feedback branch. We give an overview of the analytical solutions of the double cavity feedback and show numerically that the region of stabilization is much larger when using a second branch with filtered feedback than when using a conventional feedback one.