Spontaneous motion of cavity solitons in vertical-cavity lasers subject to optical injection and to delayed feedback |
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Authors: | K?Panajotov M?Tlidi |
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Institution: | 1. Laboratoire de Spectroscopie Atomique, Moléculaire et Applications (LSAMA),
Faculté des Sciences de Tunis, Université de Tunis el Manar, 1060, Tunis, Tunisia 2. Laboratoire Plasma et Conversion d’énergie (LAPLACE), UMR UPS-INP-CNRS 5213,
Université Paul Sabatier Toulouse 3, 118 route de Narbonne, 31062, Toulouse Cedex 09, France
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Abstract: | We consider a rate equation model describing broad area vertical-cavity surface-emitting lasers subject to injection and to
time-delayed optical feedback. We show that the inclusion of an external cavity affects dramatically the space-time behavior
of this system by modifying the instability threshold as well as the wavelength of the Turing instability. We show also that
the delayed feedback is responsible for the appearance of traveling wave instability. Finally, we demonstrate that a single
cavity soliton exhibits a spontaneous motion with a constant velocity. Without delayed feedback transition to the moving cavity
soliton does not exist. |
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Keywords: | |
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