Nonlinear coherent destruction of tunneling

Details Nonlinear coherent destruction of tunneling Nonlinear coherent destruction of tunneling

2007-05-11

arxiv.org/abs/0705.1627v1

Physics

Quantum Physics

4 pages,5 figures

Scientific paper

10.1103/PhysRevA.76.051802

We study theoretically two coupled periodically-curved optical waveguides with Kerr nonlinearity. We find that the tunneling between the waveguides can be suppressed in a wide range of parameters due to nonlinearity. Such suppression of tunneling is different from the coherent destruction of tunneling in a linear medium, which occurs only at the isolated degeneracy point of the quasienergies. We call this novel suppression nonlinear coherent destruction of tunneling.

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