Unidirectional Nonlinear PT-symmetric Optical Structures

Details Unidirectional Nonlinear PT-symmetric Optical Structures Unidirectional Nonlinear PT-symmetric Optical Structures

2010-05-27

arxiv.org/abs/1005.5189v2

Hamidreza Ramezani, Tsampikos Kottos, Ramy El-Ganainy, and Demetrios N. Christodoulides,Phys. Rev. A 82, 043803 (2010)

Physics

Optics

6 pages,5 figures

Scientific paper

10.1103/PhysRevA.82.043803

We show that non-linear optical structures involving a balanced gain-loss profile, can act as unidirectional optical valves. This is made possible by exploiting the interplay between the fundamental symmetries of parity (P) and time (T), with optical nonlinear effects. This novel unidirectional dynamics is specifically demonstrated for the case of an integrable PT-symmetric nonlinear system.

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