Braunstein, S.L., Cerf, N.J., Iblisdir, S. et al. (2 more authors) (2001) Optimal cloning of coherent states with a linear amplifier and beam splitters. Physical Review Letters, 86 (21). pp. 4938-4941. ISSN 0031-9007
Abstract
A transformation achieving the optimal symmetric N→M cloning of coherent states is presented. Its implementation requires only a phase-insensitive linear amplifier and a network of beam splitters. An experimental demonstration of this continuous-variable cloner should therefore be in the scope of current technology. The link between optimal quantum cloning and optimal amplification of quantum states is also pointed out.
Metadata
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| Dates: |
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| Institution: | The University of York |
| Academic Units: | The University of York > Faculty of Sciences (York) > Computer Science (York) The University of York > Faculty of Sciences (York) > Physics (York) |
| Depositing User: | York RAE Import |
| Date Deposited: | 24 Feb 2009 14:58 |
| Last Modified: | 24 Feb 2009 14:58 |
| Published Version: | http://dx.doi.org/10.1103/PhysRevLett.86.4938 |
| Status: | Published |
| Publisher: | American Physical Society |
| Identification Number: | https://doi.org/10.1103/PhysRevLett.86.4938 |
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