Entangled optical state creation and characterization

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Date

2022-08-11

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Ko, Gabriel D. J.

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Abstract

We describe a typical type-I phasematched Spontaneous Parametric Down Conversion (SPDC) crystal setup and characterize the quality of the source as a function of state fidelity and strength of Bell's inequality violation. Experimental results show a Bell statistic of 2.23 with a fidelity of 0.745 with the theoretical φ+ Bell state through 5m of single-mode (SM) fiber.

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