Feedback induced instabilities in a quantum dot semiconductor laser
Optics Express, Vol. 14, Issue 22, pp. 10831-10837 (2006)
http://dx.doi.org/10.1364/OE.14.010831
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Abstract
We analyse the properties of GaAs based quantum dot semiconductor lasers emitting near 1310 nm. The line-width enhancement factor is shown to depend strongly on device temperature, ranging from 1.5 at 20° C to 5 at 50° C. With optical feedback from a distant reflector, devices remained stable at 20° C but displayed a range of instabilities at 50° C, including irregular power drop–outs and periodic pulsations, before entering a chaotic regime. Such dynamical features are unique to quantum dot lasers – quantum well lasers are significantly more unstable under optical feedback making such a clear route to chaos difficult to observe.
© 2006 Optical Society of America
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.5960) Lasers and laser optics : Semiconductor lasers
(250.0250) Optoelectronics : Optoelectronics
ToC Category:
Optoelectronics
History
Original Manuscript: July 7, 2006
Revised Manuscript: September 6, 2006
Manuscript Accepted: September 8, 2006
Published: October 30, 2006
Citation
Olwen Carroll, Ian O'Driscoll, Stephen P. Hegarty, Guillaume Huyet, John Houlihan, Evgeny A. Viktorov, and Paul Mandel, "Feedback induced instabilities in a quantum dot semiconductor laser," Opt. Express 14, 10831-10837 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-22-10831
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