2006/12/31 by John Jeffers
Computer Science · Physics and Astronomy · #Advanced Optical Sensing Technologies #Quantum Information and Cryptography #Quantum optics and atomic interactions #quant-ph
paper · pdf · doi:10.1103/physreva.75.012335
published as Phys. Rev. A 75, 012335 (2007) · 5 pages, 7 figures, typos corrected and Journal Ref Added
openalex publication_date 2007/01/29 · arxiv created 2007/02/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
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.