TY - JOUR
T1 - Engineering frequency-time quantum correlation of narrow-band biphotons from cold atoms
AU - Cho, Young Wook
AU - Park, Kwang Kyoon
AU - Lee, Jong Chan
AU - Kim, Yoon Ho
PY - 2014/8/5
Y1 - 2014/8/5
N2 - The nonclassical photon pair, generated via a parametric process, is naturally endowed with a specific form of frequency-time quantum correlations. Here, we report complete control of frequency-time quantum correlations of narrow-band biphotons generated via spontaneous four-wave mixing in a cold atomic ensemble. We have experimentally confirmed the generation of frequency-anticorrelated, frequency-correlated, and frequency-uncorrelated narrow-band biphoton states, as well as verifying the strong nonclassicality of the correlations. Our work opens up new possibilities for engineering narrow-band entangled photons for various quantum optical and quantum information applications.
AB - The nonclassical photon pair, generated via a parametric process, is naturally endowed with a specific form of frequency-time quantum correlations. Here, we report complete control of frequency-time quantum correlations of narrow-band biphotons generated via spontaneous four-wave mixing in a cold atomic ensemble. We have experimentally confirmed the generation of frequency-anticorrelated, frequency-correlated, and frequency-uncorrelated narrow-band biphoton states, as well as verifying the strong nonclassicality of the correlations. Our work opens up new possibilities for engineering narrow-band entangled photons for various quantum optical and quantum information applications.
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U2 - 10.1103/PhysRevLett.113.063602
DO - 10.1103/PhysRevLett.113.063602
M3 - Article
AN - SCOPUS:84905676993
SN - 0031-9007
VL - 113
JO - Physical review letters
JF - Physical review letters
IS - 6
M1 - 063602
ER -