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Testing spectral filters as Gaussian quantum optical channels |
Optics Letters, Vol. 36, Issue 8, pp. 1476-1478 (2011)
http://dx.doi.org/10.1364/OL.36.001476
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Abstract
We experimentally investigate the mode characteristics of multimode radiation fields propagating through frequency-dependent Gaussian channels. After manipulating the twin beams emitted from a conventional parametric downconversion source via spectral filtering, we study the changes in their mode characteristics, utilizing the joint normalized correlation functions. While filtering reduces the number of spectral modes, it also leads to an apparent mode mismatch, which destroys the perfect photon-number correlation between the twin beams, and influences the mode properties of heralded states.
© 2011 Optical Society of America
OCIS Codes
(270.5290) Quantum optics : Photon statistics
(270.6570) Quantum optics : Squeezed states
(190.4975) Nonlinear optics : Parametric processes
ToC Category:
Quantum Optics
History
Original Manuscript: December 14, 2010
Revised Manuscript: March 15, 2011
Manuscript Accepted: March 15, 2011
Published: April 15, 2011
Citation
K. Laiho, A. Christ, K. N. Cassemiro, and C. Silberhorn, "Testing spectral filters as Gaussian quantum optical channels," Opt. Lett. 36, 1476-1478 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-8-1476
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