Engineering Frequency-Time Quantum Correlation of Narrow-Band Biphotons from Cold Atoms

Title
Engineering Frequency-Time Quantum Correlation of Narrow-Band Biphotons from Cold Atoms
Authors
조영욱K.-K. ParkJ.-C. LeeY.-H. Kim
Issue Date
2014-08
Publisher
Physical review letters
Citation
VOL 113, NO 6, 063602
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/70533
ISSN
0031-9007
Appears in Collections:
KIST Publication > Article
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