Emission of photon pairs at discontinuities of nonlinearity in spontaneous parametric down-conversion
Source: Phys. Rev. A 80, 043837 (2009); doi:10.1103/PhysRevA.80.043837
Published 27 October 2009
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In order to fulfill the continuity requirements for electric- and magnetic-field amplitudes at discontinuities of 
(2) nonlinearity, additional photon pairs have to be emitted in the area of discontinuity. Generalized two-photon spectral amplitudes can be used to describe properties of photon pairs generated in this process that we call surface spontaneous parametric down-conversion. The spectral structure of such photon pairs is similar to that derived for photon pairs generated in the volume. Surface and volume contributions to spontaneous down-conversion can be comparable as an example of nonlinear layered structures shows.
©2009 The American Physical Society
(2) nonlinearity, additional photon pairs have to be emitted in the area of discontinuity. Generalized two-photon spectral amplitudes can be used to describe properties of photon pairs generated in this process that we call surface spontaneous parametric down-conversion. The spectral structure of such photon pairs is similar to that derived for photon pairs generated in the volume. Surface and volume contributions to spontaneous down-conversion can be comparable as an example of nonlinear layered structures shows.
©2009 The American Physical Society
| History: | Received 27 August 2009; published 27 October 2009 |
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http://link.aps.org/abstract/PRA/v80/e043837 |
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