Optical amplifier-powered quantum optical amplification

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


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 languageEnglish
Article number053818
Number of pages4
JournalPhysical Review A
Issue number5
Publication statusPublished - 11 May 2011


  • raman amplifier
  • noise
  • states


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