Observation of spectral asymmetry in cw-pumped type-II spontaneous parametric down-conversion

Zhi Zhao; Kent A. Meyer; William B. Whitten; Robert W. Shaw; Ryan S. Bennink; Warren P. Grice

doi:10.1103/PhysRevA.77.063828

Observation of spectral asymmetry in cw-pumped type-II spontaneous parametric down-conversion

Zhi Zhao, Kent A. Meyer, William B. Whitten, Robert W. Shaw, Ryan S. Bennink, Warren P. Grice

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Abstract

We report on a spectral asymmetry in cw-pumped type-II spontaneous parametric down-conversion. We observe that when the pump beam is focused, the spectra of ordinary and extraordinary down-converted photons broaden unequally. Theoretical analysis indicates that this asymmetry can be attributed to the difference in the angular dispersion (walk-off) of the two kinds of photons, coupled with the well-known correlation between wavelength and emission direction.

Original language	English
Article number	063828
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	77
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.77.063828
State	Published - Jun 18 2008

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10.1103/PhysRevA.77.063828

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abstract = "We report on a spectral asymmetry in cw-pumped type-II spontaneous parametric down-conversion. We observe that when the pump beam is focused, the spectra of ordinary and extraordinary down-converted photons broaden unequally. Theoretical analysis indicates that this asymmetry can be attributed to the difference in the angular dispersion (walk-off) of the two kinds of photons, coupled with the well-known correlation between wavelength and emission direction.",

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AU - Meyer, Kent A.

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AU - Shaw, Robert W.

AU - Bennink, Ryan S.

AU - Grice, Warren P.

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AB - We report on a spectral asymmetry in cw-pumped type-II spontaneous parametric down-conversion. We observe that when the pump beam is focused, the spectra of ordinary and extraordinary down-converted photons broaden unequally. Theoretical analysis indicates that this asymmetry can be attributed to the difference in the angular dispersion (walk-off) of the two kinds of photons, coupled with the well-known correlation between wavelength and emission direction.

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Observation of spectral asymmetry in cw-pumped type-II spontaneous parametric down-conversion

Abstract

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