Spontaneous Symmetry Breaking in Photonic Lattices: Theory and Experiment

Details Spontaneous Symmetry Breaking in Photonic Lattices: Theory and Experiment Spontaneous Symmetry Breaking in Photonic Lattices: Theory and Experiment

2004-12-15

arxiv.org/abs/cond-mat/0412381v1

Physics

Condensed Matter

Other Condensed Matter

4 pages, 3 figures

Scientific paper

10.1016/j.physleta.2005.03.038

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.

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