High-order external cavity modes and restabilization of a laser diode subject to a phase-conjugate feedback

Abstract : We experimentally report the sequence of bifurcations destabilizing and restabilizing a laser diode with phase-conjugate feedback when the feedback rate is increased. Specifically, we successively observe the initial steady state, undamped relaxation oscillations, quasi-periodicity, chaos, and oscillating solutions at harmonics up to 13 times the external cavity frequency but also the restabilization to a steady state. The experimental results are qualitatively well reproduced by a model that accounts for the time the light takes to penetrate the phase-conjugate mirror. The theory points out that the system restabilizes through a Hopf bifurcation whose frequency is a harmonic of the external cavity frequency.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01499338
Contributor : Sébastien Van Luchene <>
Submitted on : Friday, March 31, 2017 - 11:35:02 AM
Last modification on : Thursday, April 5, 2018 - 12:30:21 PM

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Émeric Mercier, Lionel Weicker, Delphine Wolfersberger, Deborah M. Kane, Marc Sciamanna. High-order external cavity modes and restabilization of a laser diode subject to a phase-conjugate feedback. Optics Letters, Optical Society of America, 2017, 42 (2), pp.306-309. ⟨10.1364/OL.42.000306⟩. ⟨hal-01499338⟩

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