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Journal Article

Generation of correlated photon pairs in different frequency ranges

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons37707

Oster,  Fernando
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30659

Keitel,  Christoph H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30789

Macovei,  Mihai
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

Fulltext (public)

1205.6585v1
(Preprint), 174KB

Supplementary Material (public)
There is no public supplementary material available
Citation

Oster, F., Keitel, C. H., & Macovei, M. (2012). Generation of correlated photon pairs in different frequency ranges. Physical Review. A, 85(6): 063814, pp. 1-5. doi:10.1103/PhysRevA.85.063814.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-A319-3
Abstract
The feasibility of generating correlated photon pairs at variable frequencies is investigated. For this purpose we consider the interaction of an off-resonant laser field with a two-level system possessing broken inversion symmetry. We show that the system generates nonclassical photon pairs exhibiting strong intensity-intensity correlations. The intensity of the applied laser tunes the degree of correlation while the detuning controls the frequency of one of the photons, which can be in the terahertz domain. Furthermore, we observe the violation of a Cauchy-Schwarz inequality characterizing these photons.