Octave-spanning supercontinuum generation in highly nonlinear silica fibres based on cost-effective fibre amplifiers

被引：11
|
作者：
Saldana-Diaz, J. E. [1 ,2 ]
Jarabo, S. [1 ]
Salgado-Remacha, F. J. [1 ]
机构：
[1] Univ Zaragoza, Dept Fis Aplicada, Pedro Cerbuna 12, E-50009 Zaragoza, Spain
[2] Univ Nacl Huancavelica, Dept Acad Ciencias Basicas, Fac Ciencias & Ingn, Huancavelica, Peru
来源：
LASER PHYSICS LETTERS | 2016年 / 13卷 / 09期
关键词：
fibre lasers; mode-locking; nonlinear waveguides; supercontinuum generation; OPTICAL COHERENCE TOMOGRAPHY; 2; MU-M; HIGH-POWER; BIOMEDICAL APPLICATIONS; SINGLE-MODE; PULSES; LASER; GLASS; SPECTROSCOPY; MICROSCOPY;
D O I：
10.1088/1612-2011/13/9/095102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a simple method for supercontinuum generation. The set-up consists of an Er-doped mode-locked fibre laser, used as seed, and a highly nonlinear fibre with zero dispersion at 1550 nm. Thus, all the components are easily attainable. With this novel system the requirements in terms of control of dispersion are reduced. In addition, the spectral width is optimized using fibres with positive and negative dispersion. The supercontinuum emission is characterized by means of an optical spectrum analyser and a PbS photodetector, showing an octave-spanning spectral width, with a flat profile from 1100 nm up to 2100 nm. Compared to other supercontinuum sources, this new proposal results in a very competitive and attainable system, particularly in the 1500-2100 nm region.
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页数：7
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