Generation of sub-Poissonian pulses of light

Ruo Ding Li*, Sang Kyung Choi, Chonghoon Kim, Prem Kumar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


Sub-Poissonian pulses of light are generated by means of traveling-wave optical parametric deamplification. Upon direct detection the quantum noise on the deamplified pulses is measured to be below the shot-noise limit by as much as 0.5±0.2 dB (11±4 %). The parametric-gain dependence of the measured Fano factor-direct-detection noise as a fraction of the shot-noise limit-agrees with the quantum theory of the amplifier when diffraction effects are taken into account.

Original languageEnglish (US)
JournalPhysical Review A
Issue number5
StatePublished - Jan 1 1995

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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