Supercontinuum generation in erbium-doped photonic crystal fibers

被引：2

作者：

Cascante-Vindas, J. ^{[1
,2
]}

Abreu-Afonso, J. ^{[1
]}

Diez, A. ^{[1
]}

Cruz, J. L. ^{[1
]}

Andres, M. V. ^{[1
]}

机构：

[1] Univ Valencia, Dept Fis Aplicada, ICMUV, E-46100 Burjassot, Spain

[2] Univ Costa Rica, Escuela Ingn Elect, San Jose, Costa Rica

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2012年 / 108卷 / 03期

关键词：

NONLINEAR REFRACTIVE-INDEX; OPTICAL-FIBER; DISPERSION; NM;

D O I：

10.1007/s00340-012-5086-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the generation of supercontinuum using Er-doped photonic crystal fibers in the sub-nanosecond pump regime. Fibers with zero the dispersion wavelength close to the pump wavelength, and with two different Er-doped concentrations were fabricated and investigated. Evidences of the erbium ions contribution to the nonlinear refractive index are also presented. Square-shaped supercontinuum spectra are enabled by a long wavelength absorption mechanism, which is observed in the case of using a fiber with high Er concentration. The broadest supercontinuum spectrum spanning from 530 nm to well beyond 1750 nm was obtained with a fiber length of 3 m and a pump peak power of 4.6 kW.

引用

页码：559 / 563

页数：5

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