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- W1887939897 abstract "We investigate the space-time dynamics of a Vertical-Cavity Surface-Emitting Laser (VCSELVCSEL ) subject to optical injection and to delay feedback control. Apart from their technological advantages, broad area VCSELs allow creating localized light structureslocalized light structures (LSs). Such LSs, often called Cavity SolitonsCavity solitons , have been proposed to be used in information processing, device characterization, and others. After a brief description of the experimental setup, we present experimental evidence of stationary LSs. We then theoretically describe this system using a mean field model. We perform a real order parameter description close to the nascent bistability and close to large wavelength patternPattern forming regime. We theoretically characterize the LS snaking bifurcation diagram in this framework. The main body of this chapter is devoted to theoretical investigations on the time-delayed feedbackTime-delayed feedback control of LSs in VCSELs. The feedback induces a spontaneous motion of the LSs, which we characterize by computing the velocity and the threshold associated with such motion. In the nascent bistability regime, the motion threshold and the velocity of moving LSs depend only on the feedback parameters. However, when considering the previously introduced mean-field model, theoretical predictions indicate that both motion threshold and velocity are strongly affected by the phase of the delay and by the carrier relaxation rate." @default.
- W1887939897 created "2016-06-24" @default.
- W1887939897 creator A5020795528 @default.
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- W1887939897 creator A5054613628 @default.
- W1887939897 creator A5063863497 @default.
- W1887939897 creator A5070553844 @default.
- W1887939897 date "2015-01-01" @default.
- W1887939897 modified "2023-09-25" @default.
- W1887939897 title "Localized Structures in Broad Area VCSELs: Experiments and Delay-Induced Motion" @default.
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