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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 language | English |
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Article number | L042025 |
Number of pages | 6 |
Journal | Physical Review Research |
Volume | 6 |
Issue number | 4 |
DOIs | |
Publication status | Published - Oct 2024 |
Austrian Fields of Science 2012
- 103026 Quantum optics
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QLev4G: Quantum control of levitated massive mechanical systems: a new approach for gravitational quantum physics
Aspelmeyer, M. & Paulovics, V.
1/06/15 → 31/05/20
Project: Research funding