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Proceedings Paper

Comparison of two types of synchronization of unidirectionally coupled external-cavity semiconductor lasers
Author(s): Alexandre Locquet; Cristina Masoller; Patrice Megret; Michel Blondel
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Paper Abstract

We study numerically the synchronization regimes of optical-feedback-induced chaos in unidirectionally coupled semiconductor lasers. Depending on the operating conditions, the receiver laser intensity, IR(t), synchronizes with the intensity of the optically injected field, IT(t-tc), where tc is the flight time from the transmitter laser to the receiver laser, or synchronizes with IT(t-tc+t), where t is the is the external-cavity round-trip time. In the latter case, the intensity produced by the receiver anticipates the injected intensity IT(t-tc) by an anticipation time equal to t. We find that synchronization with a lag time tc-t is much more sensitive to frequency detuning and noise than synchronization with a lag time tc. Moreover, we also find that though synchronization with a lag time tc can be obtained using either an external-cavity or an open-loop receiver, the synchronization quality is always better when an external-cavity receiver is used.

Paper Details

Date Published: 12 June 2002
PDF: 9 pages
Proc. SPIE 4646, Physics and Simulation of Optoelectronic Devices X, (12 June 2002); doi: 10.1117/12.470553
Show Author Affiliations
Alexandre Locquet, Georgia Tech Lorraine (France)
Cristina Masoller, Univ. de la Republica (Uruguay)
Patrice Megret, Faculte Polytechnique de Mons (Belgium)
Michel Blondel, Faculte Polytechnique de Mons (Belgium)


Published in SPIE Proceedings Vol. 4646:
Physics and Simulation of Optoelectronic Devices X
Peter Blood; Marek Osinski; Yasuhiko Arakawa, Editor(s)

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