Investigation of rectangular shaped wave packet dynamics in a high-repetition-rate ultrafast fiber laser

被引：18

作者：

Cheng, H. ^{[1
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,4
]}

Wang, W. ^{[1
,2
,3
,4
]}

Zhou, Y. ^{[1
,2
,3
,4
]}

Qiao, T. ^{[1
,2
,3
,4
]}

Lin, W. ^{[1
,2
,3
,4
]}

Xu, S. ^{[1
,2
,3
,4
]}

Yang, Z. ^{[1
,2
,3
,4
]}

机构：

[1] South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China

[2] South China Univ Technol, Inst Opt Commun Mat, Guangzhou 510640, Guangdong, Peoples R China

[3] South China Univ Technol, Guangdong Engn Technol Res & Dev Ctr Special Opt, Guangzhou 510640, Guangdong, Peoples R China

[4] South China Univ Technol, Guangdong Prov Key Lab Fiber Laser Mat & Appl Tec, Guangzhou 510640, Guangdong, Peoples R China

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 17期

基金：

中国博士后科学基金;

关键词：

MODE; PULSE; CONVERSION; GHZ;

D O I：

10.1364/OE.25.020125

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We identify a new regime where laser pulses represent the dynamics of rectangular-shaped wave packets (RSWPs) in a passively mode-locked Tm3+ -doped fiber laser. In this regime the laser consists of a train of mode-locked pulses underneath a rectangular-shaped envelope. The density of pulses within a RSWP can be as high as 2.8 GHz, which is consistent with cavity fundamental repetition rate. The effects of small-signal gain value, pulse repetition rate, and net dispersion on the RSWP performance are analyzed. These results imply that this new regime particularly favors high-repetition-rate ultrafast lasers. We further reproduce the phenomenon from using numerical simulations and understand such behavior by referring to the nonlinear dynamics. (C) 2017 Optical Society of America

引用

页码：20125 / 20132

页数：8

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