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Phys Rev Lett. 2006 Nov 24;97(21):213902. Epub 2006 Nov 20.

All-optical noninvasive control of unstable steady states in a semiconductor laser.

Author information

  • 1Institut für Physik, Humboldt Universität zu Berlin, Newtonstrasse 15, 12489 Berlin, Germany. schikora@physik.hu-berlin.de

Abstract

All-optical noninvasive control of a multisection semiconductor laser by means of time-delayed feedback from an external Fabry-Perot cavity is realized experimentally. A theoretical analysis, in both a generic model as well as a device-specific simulation, points out the role of the optical phase. Using phase-dependent feedback we demonstrate stabilization of the continuous-wave laser output and noninvasive suppression of intensity pulsations.

PMID:
17155744
[PubMed]
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