Phys. Rev. Lett. 65, 1749–1752 (1990)Observation of antiphase states in a multimode laserReceived 21 May 1990; published in the issue dated 1 October 1990 We have observed antiphase dynamical states in an N-mode laser with an intracavity doubling crystal. We have experimentally observed such states for N=3, while numerical simulations indicate their persistance up to (at least) N=5. Analogous dynamical states have been predicted for Josephson-junction arrays; in both cases, the multiplicity of coexisting attractors can be traced to the global nature of the coupling between degrees of freedom. © 1990 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.65.1749
DOI:
10.1103/PhysRevLett.65.1749
PACS:
42.50.Tj, 02.90.+p, 05.45.+b
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