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Injection-locked semiconductor lasers with delayed optoelectronic feedback

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3 Author(s)
Saboureau, P. ; Direction des Centres d'' Expertise et d''Essais, CREA, Arcueil, France ; Foing, J.-P. ; Schanne, P.

Optical injection and optoelectronic feedback are efficient techniques to externally control the spectral characteristics of a semiconductor laser. This paper presents theoretical and experimental results about the effects of a delayed optoelectronic feedback loop on the stability of an optically injected diode laser. In particular, negative feedback configurations (out-of-phase carrier reinjection) are shown to widen the injection-locking domain of the laser and reduce its unstable region. On the contrary, in positive feedback configurations (in-phase carrier reinjection), the laser diode generates a modulation with tunable multigigahertz frequency

Published in:

Quantum Electronics, IEEE Journal of  (Volume:33 ,  Issue: 9 )