Ultrastrong linear optomechanical interaction

Kahan Dare, Jannek J. Hansen, Iurie Coroli, Aisling Johnson, Markus Aspelmeyer, Uroš Delić (Corresponding author)

Publications: Contribution to journalArticlePeer Reviewed

Abstract

Light-matter interaction in the ultrastrong coupling regime can be used to generate exotic ground states with two-mode squeezing and may be useful for quantum-enhanced sensing. Current demonstrations of ultrastrong coupling have been performed in fundamentally nonlinear systems. We report a cavity optomechanical system that operates in the linear coupling regime, reaching a maximum coupling of 𝑔𝑥/Ω𝑥=0.55±0.02. Such a system is inherently unstable, which may in the future enable strong mechanical squeezing.
Original languageEnglish
Article numberL042025
Number of pages6
JournalPhysical Review Research
Volume6
Issue number4
DOIs
Publication statusPublished - Oct 2024

Austrian Fields of Science 2012

  • 103026 Quantum optics

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