Journal
PHYSICAL REVIEW LETTERS
Volume 125, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.043604
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Funding
- Australian Research Council Centre of Excellence for Engineered Quantum Systems (EQUS) [CE170100009, FT140100650]
- Air Force Office of Scientific Research [FA9550-17-10397]
- Commonwealth of Australia
- Lockheed Martin Corporation through the Australian Research Council [LP140100595]
- Australian Government Research Training Program Scholarship
- Australian Research Council [LP140100595] Funding Source: Australian Research Council
- UKRI [MR/S032924/1] Funding Source: UKRI
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We revisit quantum state preparation of an oscillator by continuous linear position measurement. Quite general analytical expressions arc derived for the conditioned state of the oscillator. Remarkably, we predict that quantum squeezing is possible outside of both the backaction dominated and quantum coherent oscillation regimes, relaxing experimental requirements even compared to ground-state cooling. This provides a new way to generate nonclassical states of macroscopic mechanical oscillators, and opens the door to quantum sensing and tests of quantum macroscopicity at room temperature.
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