Generation of frequency-correlated narrowband biphotons from four-wave mixing in cold atoms

Journal Article · Wed Dec 15 04:00:00 EST 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.82.063830· OSTI ID:21528990

Sujun, Yun; Xu, P; Zhu, S -N ^[1]; Jianming, Wen; Min, Xiao ^[1]

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1. Department of Physics, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093 (China)

Generation of frequency-correlated narrowband biphotons from the four-wave mixing process is theoretically analyzed through manipulating optical properties of light propagation inside a cold atomic ensemble. In contrast with the spontaneous parametric down-conversion case, we find a much looser condition, which allows producing such frequency-correlated paired photons. We propose a two-photon temporal conditional correlation measurement to detect these photons. In addition, our results provide other evidence for observing backward pulse propagation from the viewpoint of two-photon correlation measurement.

• OSTI ID: 21528990
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 82; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
BASIC INTERACTIONS
BOSONS
CORRELATIONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
FREQUENCY MIXING
INTERACTIONS
LIGHT TRANSMISSION
MASSLESS PARTICLES
OPTICAL PROPERTIES
PARTICLE INTERACTIONS
PHOTON-PHOTON INTERACTIONS
PHOTONS
PHYSICAL PROPERTIES
PULSES
TRANSMISSION