Shock-induced PT -symmetric potentials in gas-filled photonic-crystal fibers

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Abstract

We have investigated the interaction between a strong soliton and a weak probe with certain configurations that allow optical trapping in gas-filled hollow-core photonic-crystal fibers in the presence of the shock effect. We have shown theoretically and numerically that the shock term can lead to an unbroken parity-time- (PT-) symmetric potential in these kinds of fibers. Time irreversible behavior, a signature feature of the PT symmetry, is also demonstrated numerically. Our results will open different configurations and avenues for observing PT-symmetry breaking in optical fibers, without the need to resort to complex optical systems.

Original languageEnglish
Article number023801
JournalPhysical Review A
Volume89
Issue number2
DOIs
Publication statusPublished - 3 Feb 2014

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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