Optical parametric loop mirror with adjustable reflectivity by using tunable optical attenuators

Nannan Liu; Zhipeng Kong; Zhenming Dou; Kun Yang

doi:10.1117/12.2654616

15 December 2022 Optical parametric loop mirror with adjustable reflectivity by using tunable optical attenuators

Nannan Liu, Zhipeng Kong, Zhenming Dou, Kun Yang

Proceedings Volume 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022); 124781Y (2022) https://doi.org/10.1117/12.2654616
Event: Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 2022, Xi'an, China

Abstract

We propose an optical parametric loop mirror whose reflectivity is adjustable by setting two tunable optical attenuators in Sagnac loop. The scheme of the optical parametric loop mirror is consisted of a nonlinear four wave mixing medium, a dispersive element, two optical attenuators, and a beam splitter. The generated four wave mixing wave can be totally separated from signal and pumps no matter how the beam splitter ratio is. When the beam splitter ratio is more than 0.5, we can separate the four wave mixing wave from pumps and signal completely by adjust the efficiency of the first attenuator, and when the beam splitter ratio is less than 0.5, we can also separate the four wave mixing wave from pumps and signal completely by adjust the efficiency of the second attenuator. Our research can help to generate and separate frequency degenerate twin beams in experiment.

Citation Download Citation

Nannan Liu, Zhipeng Kong, Zhenming Dou, and Kun Yang "Optical parametric loop mirror with adjustable reflectivity by using tunable optical attenuators", Proc. SPIE 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 124781Y (15 December 2022); https://doi.org/10.1117/12.2654616

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