Estimation of fiber parameters by using OFRR nonlinear dynamics

Yoh Imai; Satoshi Yamauchi; Hirohisa Yokota

doi:10.1117/12.901638

25 October 2011 Estimation of fiber parameters by using OFRR nonlinear dynamics

Yoh Imai, Satoshi Yamauchi, Hirohisa Yokota

Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 80114A (2011) https://doi.org/10.1117/12.901638
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

Abstract

In this paper, a new method for measuring the nonlinear refractive index by using the nonlinear dynamics generated in optical fiber ring resonator (OFRR) is proposed. In OFRRs, input light and circulated light components are added in succession, and then, result in forming an interference output. The OFRR output exhibits nonlinear dynamics such as a chaotic state due to the optical Kerr effect, as the input light power increases. In the bifurcation diagram, the output power indicates peaks in the input power range lower than the bifurcation point at which the output changes from stable to periodic state. It is found that the input power at the peak shifts, dependent on the nonlinear refractive index. The nonlinear refractive index can be estimated by applying the measured input power giving the peak point to the numerical relationship between the input power and the nonlinear refractive index. In experiments the nonlinear refractive index of the two pure silica core fibers with different cutoff wavelength was estimated as n₂=0.97×10^-22[m²/V²] and n₂=1.06×10^-22[m²/V²] which are in good agreement with those reported previously.

Citation Download Citation

Yoh Imai, Satoshi Yamauchi, and Hirohisa Yokota "Estimation of fiber parameters by using OFRR nonlinear dynamics", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80114A (25 October 2011); https://doi.org/10.1117/12.901638

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