Interesting effect of aspect ratio on Kerr nonlinear optical processes in subwavelength diameter single-mode trapezoidal index fiber using Marcuse-type spot-size formulations

Arunangshu Sadhu; Somenath Sarkar

doi:10.1117/1.OE.55.8.087101

8 August 2016 Interesting effect of aspect ratio on Kerr nonlinear optical processes in subwavelength diameter single-mode trapezoidal index fiber using Marcuse-type spot-size formulations

Arunangshu Sadhu, Somenath Sarkar

Author Affiliations +

Optical Engineering, Vol. 55, Issue 8, 087101 (August 2016). https://doi.org/10.1117/1.OE.55.8.087101

Abstract

We investigate the Kerr nonlinear optical processes (NOPs) in the case of a single-mode trapezoidal index fiber based on recently formulated and appropriate Marcuse-type relations for spot size in terms of normalized frequency corresponding to such fiber having various aspect ratios. With the help of these relations, we have analyzed the maximum NOP in these fibers having prospective the merits of tight light confinement in the subwavelength diameter waveguiding region. The comparative investigation reveals that the aspect ratio having a value of 0.7 is the most promising candidate for maximum optical nonlinearity, constructional convenience, and less diffraction. The analysis should be attractive for system users as a ready reference.

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Arunangshu Sadhu and Somenath Sarkar "Interesting effect of aspect ratio on Kerr nonlinear optical processes in subwavelength diameter single-mode trapezoidal index fiber using Marcuse-type spot-size formulations," Optical Engineering 55(8), 087101 (8 August 2016). https://doi.org/10.1117/1.OE.55.8.087101

Published: 8 August 2016

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