We study experimentally the dynamics of quantum-dot (QD) passively mode-locked semiconductor lasers under external optical injection. The lasers demonstrated multiple dynamical states, with bifurcation boundaries that depended upon the sign of detuning variation. The area of the hysteresis loops grew monotonically at small powers of optical injection and saturated at moderate powers. At high injection levels the hysteresis decreased and eventually disappeared.
Bibliographical note© 2012 OSA
Tatiana Habruseva, Stephen P. Hegarty, Andrei G. Vladimirov, Alexander Pimenov, Dmitrii Rachinskii, Natalia Rebrova, Evgeny A. Viktorov, and Guillaume Huyet, "Bistable regimes in an optically injected mode-locked laser," Optics express 20, 25572-25583 (2012).
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Habruseva, T., Hegarty, S. P., Vladimirov, A. G., Pimenov, A., Rachinskii, D., Rebrova, N., Viktorov, E. A., & Huyet, G. (2012). Bistable regimes in an optically injected mode-locked laser. Optics Express, 20(23), 25572-25583. https://doi.org/10.1364/OE.20.025572