Versatile shaper-assisted discretization of energy-time entangled photons

Andr\'e Stefanov; B\"anz Bessire; Christof Bernhard; Thomas Feurer

arxiv: 1310.4610 · v2 · pith:KA2AVD7Gnew · submitted 2013-10-17 · 🪐 quant-ph

Versatile shaper-assisted discretization of energy-time entangled photons

B\"anz Bessire , Christof Bernhard , Andr\'e Stefanov , Thomas Feurer This is my paper

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keywords entangledbinsdiscretizationenergy-timefrequencyphotonsquditsbases

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We demonstrate the capability to discretize the frequency spectrum of broadband energy-time entangled photons by means of a spatial light modulator to encode qudits in various bases. Exemplarily, we implement three different discretization schemes, namely frequency bins, time bins and Schmidt modes. Entangled qudits up to dimension $d=4$ are then revealed by two-photon interference experiments with visibilities violating a $d$-dimensional Bell inequality.

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