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Analysis of complex refractive index solid-core Bragg fibers

G. S. KLIROS1,*

Affiliation

  1. Department of Aeronautical Sciences, Division of Electronics and Communication Engineering, Hellenic Air-Force Academy, Dekeleia Attikis GR-1010, Greece

Abstract

We investigate the modal characteristics of solid-core Bragg fibers with complex refractive index profiles using Galerkin’s method under the scalar linearly polarized (LP) mode approximation. The imaginary part of the electric field results in wavefront distortion which is critically dependent on the imaginary part of the refractive index. The optical gain is calculated for three physically acceptable values of the imaginary part of the refractive index. As the operation wavelength increases, the gain decreases because the optical power confined to the core decreases.

Keywords

Bragg fibers, Complex refractive index, Galerkin’s method, Fiber lasers.

Citation

G. S. KLIROS, Analysis of complex refractive index solid-core Bragg fibers, Optoelectronics and Advanced Materials - Rapid Communications, 3, 4, April 2009, pp.309-312 (2009).

Submitted at: March 30, 2009

Accepted at: April 23, 2009