Tunable sub-Poissonian light generation from a parametric amplifier using an intensity feedforward scheme

Chonghoon Kim*, Prem Kumar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We analyze an intensity feedforward scheme to produce a sub-Poissonian (amplitude-squeezed) light beam from the intensity-correlated twin beams generated by a nondegenerate parametric amplifier. Photon-number measurement of the idler beam at the output of the parametric amplifier is linearly fed forward onto the output signal beam using an amplitude modulator. The minimum available Fano factor is shown to be 1/(2g-1), where g is the parametric amplifier gain, and is equal to the nonclassical intensity-noise-reduction factor of the twin beams at the output of the parametric amplifier. By changing the frequency of the input-signal beam, tunable sub-Poissonian light can be generated with this scheme for application in precision absorption spectroscopy.

Original languageEnglish (US)
Pages (from-to)5237-5242
Number of pages6
JournalPhysical Review A
Volume45
Issue number7
DOIs
StatePublished - Jan 1 1992

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Fingerprint Dive into the research topics of 'Tunable sub-Poissonian light generation from a parametric amplifier using an intensity feedforward scheme'. Together they form a unique fingerprint.

Cite this