Cooperative nonlinear grating sensitive to light intensity and photon correlation

Utilizing dipole blockade of Rydberg excitations, we study an ensemble of stationary atoms driven into the four-level N configuration for achieving a new kind of electromagnetically induced grating in the presence of a traveling-wave and a standing-wave classical control fields. This grating shows c...

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Bibliographic Details
Published in:Optics letters 2016-01, Vol.41 (2), p.408-411
Main Authors: Liu, Yi-Mou, Tian, Xue-Dong, Wang, Xin, Yan, Dong, Wu, Jin-Hui
Format: Article
Language:English
Subjects:
Correlation
Diffraction gratings
Diffraction patterns
Gratings (spectra)
Luminous intensity
Nonlinearity
Photons
Sensitivity
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Summary:Utilizing dipole blockade of Rydberg excitations, we study an ensemble of stationary atoms driven into the four-level N configuration for achieving a new kind of electromagnetically induced grating in the presence of a traveling-wave and a standing-wave classical control fields. This grating shows cooperative optical nonlinearities as manifested by the sensitivity of output diffraction patterns to input light intensities (photon correlations) of a quantum probe field, promising then an essential opportunity for distinguishing weaker and stronger (bunched and anti-bunched) light fields.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.41.000408