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Abstract
I show that an optical amplifier, when combined with photon subtraction, can be used for quantum state amplification, adding noise at a level below the standard minimum. The device could be used to significantly decrease the probability of incorrectly identifying coherent states chosen from a finite set.
Original language | English |
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Article number | 053818 |
Number of pages | 4 |
Journal | Physical Review A |
Volume | 83 |
Issue number | 5 |
DOIs | |
Publication status | Published - 11 May 2011 |
Keywords
- raman amplifier
- noise
- states
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Dive into the research topics of 'Optical amplifier-powered quantum optical amplification'. Together they form a unique fingerprint.Projects
- 1 Finished
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Quantum Digital Signatures
Jeffers, J. (Principal Investigator)
EPSRC (Engineering and Physical Sciences Research Council)
9/02/09 → 8/08/12
Project: Research