Method of polarization-maintaining photonic crystal fiber nonlinear response measurement using phase shift between orthogonal polarization modes

Miglė Kuliešaitė; Jokūbas Pimpė; Julius Vengelis; Vygandas Jarutis

doi:10.1117/12.2676373

28 September 2023 Method of polarization-maintaining photonic crystal fiber nonlinear response measurement using phase shift between orthogonal polarization modes

Miglė Kuliešaitė, Jokūbas Pimpė, Julius Vengelis, Vygandas Jarutis

Author Affiliations +

Proceedings Volume 12665, Novel Optical Systems, Methods, and Applications XXVI; 126650O (2023) https://doi.org/10.1117/12.2676373
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

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Abstract

Nonlinear refractive index n₂ is the material parameter, which is used to describe the strength of phenomena caused by third-order nonlinearity, so measuring it accurately is one of the key tasks of nonlinear optics. Several techniques to estimate n₂ of the PCF have been demonstrated, but for example Z-scan is not suitable for any type optical fibers, because this method only allows to estimate n₂ of the material preform of the PCF. Other methods, such as four-wave mixing, self-phase modulation, cross-phase modulation allow qualitatively good estimation of n₂ only when pump wavelength is close to the zero dispersion wavelength (ZDW) of the optical fiber. In this paper, we present a new method of polarization-maintaining photonic crystal fiber nonlinear refractive index measurement using phase shift between orthogonal polarization modes.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Miglė Kuliešaitė, Jokūbas Pimpė, Julius Vengelis, and Vygandas Jarutis "Method of polarization-maintaining photonic crystal fiber nonlinear response measurement using phase shift between orthogonal polarization modes", Proc. SPIE 12665, Novel Optical Systems, Methods, and Applications XXVI, 126650O (28 September 2023); https://doi.org/10.1117/12.2676373

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