Highly nonlinear dispersion-flattened photonic crystal fibers for supercontinuum generation in a telecommunication window | Zendy

Kunimasa Saitoh | Zendy; Masanori Koshiba | Zendy

Open Access

Highly nonlinear dispersion-flattened photonic crystal fibers for supercontinuum generation in a telecommunication window

Author(s) -

Kunimasa Saitoh,

Masanori Koshiba

Publication year - 2004

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.002027

Subject(s) - supercontinuum , photonic crystal fiber , optics , materials science , zero dispersion wavelength , dispersion (optics) , optical fiber , dispersion shifted fiber , self phase modulation , optoelectronics , nonlinear optics , physics , laser , fiber optic sensor

We propose a new structure of highly nonlinear dispersion-flattened (HNDF) photonic crystal fiber (PCF) with nonlinear coefficient as large as 30 W(-1)km(-1) at 1.55 microm designed by varying the diameters of the air-hole rings along the fiber radius. This innovative HNDF-PCF has a unique effective-index profile that can offer not only a large nonlinear coefficient but also flat dispersion slope and low leakage losses. It is shown through numerical results that the novel microstructured optical fiber with small normal group-velocity dispersion and nearly zero dispersion slope offers the possibility of efficient supercontinuum generation in the telecommunication window using a few ps pulses.

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