Observation of mode-locked spatial laser solitons
F. Gustave, N. Radwell, C. McIntyre, J. P. Toomey, D. M. Kane, S., Barland, W. J. Firth, G.-L. Oppo, and T. Ackemann
TL;DR
This paper reports the experimental observation of stable, mode-locked spatial laser solitons in a vertical-cavity surface-emitting laser with external feedback, demonstrating long-term stable spatio-temporal structures that could lead to independent cavity light bullets.
Contribution
First experimental demonstration of mode-locked spatial laser solitons in a vertical-cavity surface-emitting laser with external feedback.
Findings
Observation of stable, long-term spatio-temporal laser solitons
Pulse length shorter than cavity round trip time
Potential for independent cavity light bullets
Abstract
A stable nonlinear wave packet, self-localized in all three dimensions, is an intriguing and much sought after object in nonlinear science in general and in nonlinear photonics in particular. We report on the experimental observation of mode-locked spatial laser solitons in a vertical-cavity surface-emitting laser with frequency-selective feedback from an external cavity. These spontaneously emerging and long-term stable spatio-temporal structures have a pulse length shorter than the cavity round trip time and may pave the way to completely independent cavity light bullets.
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