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The dynamics of a broad-area vertical-cavity surface-emitting laser (VCSEL) with frequency-selective feedback supporting bistable spatial solitons is analyzed experimentally and theoretically. The transient dynamics of a switch-on of a soliton induced by an external optical pulse shows strong self-pulsing at the external-cavity round-trip time with at least ten modes excited. The numerical analysis indicates an even broader bandwidth and a transient sweep of the center frequency. It is argued that mode-locking of spatial solitons is an interesting and viable way to achieve three-dimensional, spatio-temporal self-localization and that the transients observed are preliminary indications of a transient cavity light bullet in the dynamics, though on a non negligible background.
|Title of host publication||Proceedings of SPIE 7720, Semiconductor Lasers and Laser Dynamics IV|
|Place of Publication||Bellingham, Washington, USA|
|Publication status||Published - 27 Apr 2010|
|Event||Conference on Semiconductor Lasers and Laser Dynamics IV - Brussels, Belgium|
Duration: 12 Apr 2010 → 16 Apr 2010
|Name||Proceedings of SPIE|
|Conference||Conference on Semiconductor Lasers and Laser Dynamics IV|
|Period||12/04/10 → 16/04/10|
- cavity soliton
- cavity light bullet
- frequency-selective feedback
- cavity soliton laser
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