Vector rectangular-shape laser based on reduced graphene oxide interacting with a long fiber taper

被引：12
作者：
Gao, Lei [1 ]
Zhu, Tao [1 ]
Huang, Wei [1 ]
Zeng, Jing [1 ]
机构：
[1] Chongqing Univ, Key Lab Optoelect Technol & Syst, Educ Minist China, Chongqing 400044, Peoples R China
来源：
APPLIED OPTICS | 2014年 / 53卷 / 28期
关键词：
DOMAIN-WALL SOLITONS; RING LASER; ULTRAFAST LASER; PULSES; OPTOELECTRONICS; GENERATION;
D O I：
10.1364/AO.53.006452
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A vector dual-wavelength rectangular-shape laser (RSL) based on a long fiber taper deposited with reduced graphene oxide is proposed, where nonlinearity is enhanced due to a large evanescent-field interacting length and strong field confinement of an 8 mm fiber taper with a waist diameter of 4 mu m. Graphene flakes are deposited uniformly on the taper waist with light pressure effect, so this structure guarantees both excellent saturable absorption and high nonlinearity. The RSL with a repetition rate of 7.9 MHz shows fast polarization switching in two orthogonal polarization directions, and temporal and spectral characteristics are investigated. (C) 2014 Optical Society of America
引用
收藏
页码：6452 / 6456
页数：5
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