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Spatiospectral separation of exceptional points in PT-symmetric optical potentials
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Cited 24 time in Scopus
- Authors
- Issue Date
- 2012-09
- Publisher
- American Physical Society
- Citation
- Physical Review A - Atomic, Molecular, and Optical Physics, Vol.86 No.3, p. 031802
- Abstract
- Non-Hermitian Hamiltonians satisfying parity-time (PT) symmetry reveal unusual physical phenomena related to exceptional points, where the onset of PT symmetry breaking occurs. Here, by permitting dispersive variations in the PT-symmetric potential along the propagation axis of a wave, we show that it is possible to obtain PT-induced exceptional points of spatiospectral separation. As an example, we demonstrate "rainbow nonreciprocity" using a PT-symmetric chirped optical potential.
- ISSN
- 1050-2947
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Related Researcher
- College of Engineering
- Department of Electrical and Computer Engineering
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