Interferometry below the standard quantum limit with Bose-Einstein condensates
Dunningham, J.A. and Burnett, K. and Barnett, S.M. (2002) Interferometry below the standard quantum limit with Bose-Einstein condensates. Physical Review Letters, 89 (15). pp. 150401-1. ISSN 0031-9007
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We discuss a scheme for using entangled Bose-Einstein condensates to detect phase differences with a resolution better than the standard quantum limit. To date, schemes have shown that the enhancement in phase resolution gained by entangling condensates is lost when dissipation is present. Here we show how this can be overcome by using number correlated condensates, as have been produced recently in the laboratory. We also outline a scheme for measuring this phase that is not destroyed when the effects of finite detector efficiency are considered.
| Author(s): | Dunningham, J.A., Burnett, K. and Barnett, S.M. | Item type: | Article |
|---|---|
| ID code: | 2869 |
| Keywords: | Bose-Einstein condensate, quantum physics, phase resolution, photonics, optics, Optics. Light, Physics and Astronomy(all) |
| Subjects: | Science > Physics > Optics. Light |
| Department: | Faculty of Science > Physics |
| Depositing user: | Mr Derek Boyle |
| Date deposited: | 05 Feb 2007 |
| Last modified: | 10 May 2019 02:01 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/2869 |
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