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Phys. Rev. E 67, 015202 (2003) [4 pages]

Competition between two frequencies for phase synchronization of a chaotic laser

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Ryan McAllister1,2,3, Riccardo Meucci4, David DeShazer1,2, and Rajarshi Roy1,2,3,5
1Department of Physics, University of Maryland, College Park, Maryland 20742
2IREAP, University of Maryland, College Park, Maryland 20742
3CESAR, Computing and Computational Sciences Directorate, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6355
4Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, I-50125 Firenze, Italy
5IPST, University of Maryland, College Park, Maryland 20742

Rapid Communication Received 26 June 2002; published 16 January 2003

Competition between two distinct driving frequencies to phase synchronize the intensity dynamics of a chaotic laser has been observed. The phase of the chaotic intensity signal is constructed using the complex analytic signal. Competing frequencies alternately show phase locking and phase slipping. Competition has been quantified by calculating the portion of time the laser phase locks to each of the driving frequencies and their average.


©2003 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevE.67.015202
DOI: 10.1103/PhysRevE.67.015202
PACS: 05.45.Xt, 05.45.Ac, 42.65.Sf, 05.45.Tp

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