Quadrature measurements of a bright squeezed state via sideband swapping

J. Schneider, O. Glockl, G. Leuchs, Ulrik Lund Andersen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The measurement of an arbitrary quadrature of a bright quantum state of light is a commonly requested action in many quantum information protocols, but it is experimentally challenging with previously proposed schemes. We suggest that the quadrature be measured at a specific sideband frequency of a bright quantum state by transferring the sideband modes under interrogation to a vacuum state and subsequently measuring the quadrature via homodyne detection. The scheme is implemented experimentally, and it is successfully tested with a bright squeezed state of light.
Original languageEnglish
JournalOptics Letters
Volume34
Issue number8
Pages (from-to)1186-1188
ISSN0146-9592
DOIs
Publication statusPublished - 2009

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