Photonic crystal fibers for supercontinuumβgeneration

Abstract

Photonic crystal fibers (PCFs) present a wavelength-scale periodic microstructure along their length. Their core and two-dimensional photonic crystal might be based on varied geometries and materials, allowing supercontinuum (SC) generation due to nonlinear effects in an extremely large wavelength range. In this paper we have reviewed PCFs utilized for SC generation. Fiber fabrication for SC generation is present. Spectral broadening mechanisms are also described in brief. Particular attention is as well as paid to PCFs including uniform PCFs, cascaded fibers, tapered fibers and PCFs with special material doped, which are commonly used to generate SC.

Keywords

photonic crystal fibers (PCFs) / supercontinuum (SC) / PCF fabrication / nonlinear optics / tapered PCF / cascaded PCF / Ge-doped core

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