Squeezed-state generation via forward degenerate four-wave mixing

Prem Kumar*, Jeffrey H. Shapiro

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

83 Scopus citations


Degenerate four-wave mixing has been suggested as a possible generation scheme for squeezed-state light. A recent analysis of the quantum effects of probe-conjugate loss in backward degenerate four-wave mixing has shown that such loss puts an absolute limit on the squeezing that can be obtained via this generation scheme. In this Rapid Communication we show that it is the counter-propagating beam geometry of backward degenerate four-wave mixing that makes it ill suited for squeezed-state generation. On the other hand, the nominally copropagating beam geometry of forward degenerate four-wave mixing is shown to alleviate the absolute probe-conjugate loss limit on squeezing.

Original languageEnglish (US)
Pages (from-to)1568-1571
Number of pages4
JournalPhysical Review A
Issue number3
StatePublished - Jan 1 1984

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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