Localized multiphonon states in waveguide quantum optomechanics with spontaneously broken PT symmetry

Alexander Poshakinskiy, Ivan Iorsh, Alexander Poddubny

Research output: Contribution to journalArticlepeer-review

Abstract

We study theoretically two vibrating quantum emitters trapped near a one-dimensional waveguide and interacting with propagating photons. We demonstrate that in the regime of strong optomechanical interaction the coupling of light to multiple emitter vibrations can lead to the formation of spatially localized multiphonon modes, exhibiting parity-time (PT) symmetry breaking. These localized multiphonon states have been interpreted by analyzing the energy spectrum in the quasiclassical approximation.

Original languageEnglish
Article number063719
JournalPhysical Review A
Volume104
Issue number6
DOIs
StatePublished - Dec 2021
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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