Efficiency limits for linear optical processing of single photons and single-rail qubits

Dominic W. Berry*, A. I. Lvovsky, Barry C. Sanders

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We analyze the problem of increasing the efficiency of single-photon sources or single-rail photonic qubits via linear optical processing and destructive conditional measurements. We allow for the use of coherent states and do not limit to photon-counting measurements. We conjecture that, with the limitation that multiphoton components in the output are not permitted, it is not possible to increase the efficiency. We prove this conjecture for several important special cases, and provide extensive numerical results for the general case.

Original languageEnglish
Pages (from-to)189-197
Number of pages9
JournalJournal of the Optical Society of America B: Optical Physics
Volume24
Issue number2
DOIs
Publication statusPublished - 2007
Externally publishedYes

Fingerprint Dive into the research topics of 'Efficiency limits for linear optical processing of single photons and single-rail qubits'. Together they form a unique fingerprint.

Cite this