Analysis on the impact of the parabolic index profile of the core of a highly nonlinear fiber

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

S. Selvendran, A. Sivanantharaja Analysis on the impact of the parabolic index profile of the core of a highly nonlinear fiber (Анализ влияния параболического профиля показателя преломления сердцевины на характеристики оптических волокон с высокой нелинейностью) [на англ. яз.] // Оптический журнал. 2016. Т. 83. № 6. С. 75–82.

S. Selvendran, A. Sivanantharaja Analysis on the impact of the parabolic index profile of the core of a highly nonlinear fiber (Анализ влияния параболического профиля показателя преломления сердцевины на характеристики оптических волокон с высокой нелинейностью) [in English] // Opticheskii Zhurnal. 2016. V. 83. № 6. P. 75–82.

For citation (Journal of Optical Technology):

S. Selvendran and A. Sivanantharaja, "Analysis on the impact of the parabolic index profile of the core of a highly nonlinear fiber," Journal of Optical Technology. 83(6), 385-390 (2016). https://doi.org/10.1364/JOT.83.000385

Abstract:

In this paper we have studied the impact of the parabolic core index profile in highly nonlinear fiber design. Compared to the constant refractive index (RI) value of the core, different values of the parabolic function on the core index yield reasonable dispersion flatness in addition to the increased nonlinearity. A fiber with the parabolic core index exhibits optimum fiber properties such as zero dispersion wavelength (ZDW) of 1.5554 μm, dispersion slope of 0.02545 ps/nm² km, and dispersion of −0.25 ps/nm km at 1.55 μm. In our analysis the parabolic core index also shows a good nonlinear coefficient of 8.71 W⁻¹ km⁻¹ and restricts the fiber to the fundamental linearly polarized (LP) mode (0,1) operations with a model index of 1.4591112.

Keywords:

dispersion, dispersion slope, mode field diameter, nonlinear coefficient, refractive index profile, parabolic profile, highly nonlinear fiber, phase matching condition

Acknowledgements:

The authors thankfully acknowledge the Department of Science and Technology (DST), New Delhi for their Fund for Improvement of S&T Infrastructure in Universities and Higher Educational Institutions – (FIST) grant through the order No.SR/FST/College-061/2011(C) to procure the OptiWave simulation package.

OCIS codes: 060.2330, 060.2280, 060.2400, 060.4370, 190.4380

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