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  • Vol. 30, Iss. 8 — Apr. 15, 2005
  • pp: 908–910

Measurement of the spectral properties of the two-photon state generated via type II spontaneous parametric downconversion

Yoon-Ho Kim and Warren P. Grice  »View Author Affiliations


Optics Letters, Vol. 30, Issue 8, pp. 908-910 (2005)
http://dx.doi.org/10.1364/OL.30.000908


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Abstract

We report complete measurement of the spectral properties of photon pairs generated via spontaneous parametric downconversion. The measurements, which include not only single-photon spectra but also two-photon joint spectra, were performed for both cw and ultrafast-pumping configurations. In agreement with theoretical predictions, the spectra for the ultrafast-pumped case reveal asymmetries that are not present with cw pumping.

© 2005 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.4180) Quantum optics : Multiphoton processes
(270.5290) Quantum optics : Photon statistics

Citation
Yoon-Ho Kim and Warren P. Grice, "Measurement of the spectral properties of the two-photon state generated via type II spontaneous parametric downconversion," Opt. Lett. 30, 908-910 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-8-908


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References

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  15. In this experiment a 0.25-m monochromator (CS260 from Oriel) with a 600-line/mmgrating (blaze wavelength at 400 nm) and a 0.5-m monochromator (DK480 from CVI) with a 1200-line/mm grating blazed at 750 nm were used. For focusing and collimating the photons into and out of monochromators CS260 and DK480, a set of lenses with f=25 mm and f=50 mm were used, respectively.
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