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Photonic crystal waveguides as sources of counterpropagating factorizable biphoton states.

07:00 EST 1st January 2019 | BioPortfolio

Summary of "Photonic crystal waveguides as sources of counterpropagating factorizable biphoton states."

We demonstrate numerically that photonic crystal slab waveguides can generate spectrally unentangled biphoton states, highly desired for heralding of single photons. We achieve this by modally phase matching a counterpropagating spontaneous parametric down-conversion process, in a fully integrated scheme and without the need for periodic poling. Such a configuration is an ideal integrated source of heralded single photons, as it spatially separates the photons of a pair at the source without any extra components, while allowing for generation of spectrally narrow photons on a very short length scale.

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This article was published in the following journal.

Name: Optics letters
ISSN: 1539-4794
Pages: 69-72

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