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Paterova A, Yang H, An C, et al. Polarization effects in nonlinear interference of down-converted photons. Opt Express. 2019;27(3):2589-2603doi: 10.1364/OE.27.002589.
Paterova, A., Yang, H., An, C., Kalashnikov, D., & Krivitsky, L. (2019). Polarization effects in nonlinear interference of down-converted photons. Optics express, 27(3), 2589-2603. https://doi.org/10.1364/OE.27.002589
Paterova, Anna, et al. "Polarization effects in nonlinear interference of down-converted photons." Optics express vol. 27,3 (2019): 2589-2603. doi: https://doi.org/10.1364/OE.27.002589
Paterova A, Yang H, An C, Kalashnikov D, Krivitsky L. Polarization effects in nonlinear interference of down-converted photons. Opt Express. 2019 Feb 04;27(3):2589-2603. doi: 10.1364/OE.27.002589. PMID: 30732294.
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Opt Express. 2019 Feb 04;27(3):2589-2603. doi: 10.1364/OE.27.002589.

Polarization effects in nonlinear interference of down-converted photons.

Optics express

Anna Paterova, Hongzhi Yang, Chengwu An, Dmitry Kalashnikov, Leonid Krivitsky

PMID: 30732294 DOI: 10.1364/OE.27.002589

Abstract

We study polarization effects in the nonlinear interference of photons generated via frequency nondegenerate spontaneous parametric-down conversion. Signal and idler photons, which are generated in the visible and infrared (IR) range, respectively, are split into different arms of a nonlinear Michelson interferometer, and the interference pattern for signal photons is detected. Due to the effect of induced coherence, the interference pattern for the signal photons depends on the polarization rotation of idler photons, which are introduced by a birefringent sample. Based on this concept, we realize two new methods of measuring sample retardation in the IR range by using well-developed and inexpensive components for visible light. The methods' accuracy reaches specifications that are reported for industrial-grade optical elements. The developed IR polarimetry technique is relevant to material research, optical inspection, and quality control.

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