Tunable control of the frequency correlations of entangled photons |
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| Authors: | Hendrych M Micuda M Torres J P |
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| Institution: | ICFO-Institut de Ciencies Fotoniques, and Department of Signal Theory and Communications, Universitat Politecnicade Catalunya, Castelldefels, 08860 Barcelona, Spain. martin.hendrych@icfo.es |
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| Abstract: | We experimentally demonstrate a new technique to control the type of frequency correlations of entangled photon pairs generated by spontaneous parametric downconversion. Frequency-correlated and frequency-anticorrelated photons are produced when a broadband pulse is used as a pump. The method is based on the control of the group velocities of the interacting waves and can be applied in any nonlinear medium and frequency band of interest. |
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