Noisy preamplified photodetection for high-fidelity postselection

Craig S. Hamilton, J. Jeffers

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The fidelity of postselecting devices based on direct photon number detection can be significantly improved by insertion of a phase-insensitive optical amplifier in front of the detector. The scheme is simple, and the cost to the probability of obtaining the appropriate detector outcome is low.
Original languageEnglish
Article number114012
Number of pages7
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Issue number11
Early online date15 May 2009
Publication statusPublished - 14 Jun 2009


  • optical elements
  • devices
  • systems
  • quantum communication
  • quantum fluctuations
  • quantum noise
  • quantum jumps


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