期刊
PHYSICS LETTERS A
卷 340, 期 1-4, 页码 275-280出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2005.03.038
关键词
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We examine an example of spontaneous symmetry breaking in a double-well waveguide with a symmetric potential. The ground state of the system beyond a critical power becomes asymmetric. The effect is illustrated numerically, and quantitatively analyzed via a Galerkin truncation that clearly shows the bifurcation from a symmetric to an asymmetric steady state. This phenomenon is also demonstrated experimentally when a probe beam is launched appropriately into an optically induced photonic lattice in a photorefractive material. (c) 2005 Elsevier B.V. All rights reserved.
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