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Optical Dilution and Feedback Cooling of a Gram-Scale Oscillator to 6.9 mK
Open accessAbstract
We report on the use of a radiation pressure induced restoring force, the optical spring effect, to optically dilute the mechanical damping of a 1 g suspended mirror, which is then cooled by active feedback (cold damping). Optical dilution relaxes the limit on cooling imposed by mechanical losses, allowing the oscillator mode to reach a minimum temperature of 6.9 mK, a factor of approximately 40 000 below the environmental temperature. A further advantage of the optical spring effect is that it can increase the number of oscillations before decoherence by several orders of magnitude. In the present experiment we infer an increase in the dynamical lifetime of the state by a factor of approximately 200.
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Citations
Cited by
Aspelmeyer, M., Kippenberg, T. J., & Marquardt, F. (2014) · Reviews of Modern Physics · doi:10.1103/revmodphys.86.1391 · Cited by 5,501
Probing Planck-scale physics with quantum optics
Pikovski, I., Vanner, M. R., Aspelmeyer, M., Kim, M. S., & Brukner, Č. (2012) · Nature Physics · doi:10.1038/nphys2262 · Cited by 594
Quantum feedback: Theory, experiments, and applications
Zhang, J., Liu, Y.-X., Wu, R.-B., Jacobs, K., & Nori, F. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.02.003 · Cited by 272
Ground-state cooling of mechanical resonators by quantum reservoir engineering
Naseem, M. T., & Müstecaplıoğlu, Ö. E. (2021) · Communications Physics · doi:10.1038/s42005-021-00599-z · Cited by 29
Metadata
- Authors
- Corbitt, T., Wipf, C., Bodiya, T., Ottaway, D., Sigg, D., Smith, N., Whitcomb, S., & Mavalvala, N.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2007-10-18
- Volume
- 99
- Issue
- 16
- Pages
- 160801-160801
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2105178508
- Cited by
- 224
- References
- 0
- FWCI
- 11.61
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Corbitt, T., Wipf, C., Bodiya, T., Ottaway, D., Sigg, D., Smith, N., Whitcomb, S., & Mavalvala, N. (2007). Optical Dilution and Feedback Cooling of a Gram-Scale Oscillator to 6.9 mK. Physical Review Letters. https://doi.org/10.1103/physrevlett.99.160801
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