The Generation of 1.2 μJ Pulses From a Mamyshev Oscillator Based on a High Concentration, Large-Mode-Area Yb-Doped Fiber

被引：20

作者：

Lin, Di ^{[1
,2
,3
]}

Xu, Duanyang ^{[1
]}

He, Jing ^{[4
]}

Feng, Yutong ^{[1
]}

Ren, Zhengqi ^{[1
]}

Sidharthan, Raghuraman ^{[5
]}

Jung, Yongmin ^{[1
]}

Yoo, Seongwoo ^{[5
]}

Richardson, David J. ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[2] Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Guangdong, Peoples R China

[3] Guangdong Univ Technol, Guangdong Prov Key Lab Photon Informat Technol, Guangzhou 510006, Guangdong, Peoples R China

[4] Univ Cambridge, Cambridge Graphene Ctr, Cambridge CB3 OFA, England

[5] Nanyang Technol Univ, Sch Elect & Elect Engn, TPI, COFT, Singapore 639798, Singapore

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2022年 / 40卷 / 21期

基金：

英国工程与自然科学研究理事会;

关键词：

Optical fiber polarization; Optical fiber amplifiers; Oscillators; Optical fiber couplers; Fiber lasers; Optical fiber dispersion; Band-pass filters; Mode locked fiber oscillator; ultrafast pulses; FEMTOSECOND; MEGAWATT; LASERS; POWER;

D O I：

10.1109/JLT.2022.3198737

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate a high-energy and high-average power Mamyshev oscillator based on a high performance large-mode-area step-index germanosilicate-cladding Yb-doped fiber. The oscillation of higher-order modes is effectively suppressed by employing appropriate intracavity spatial mode filtering, allowing significant scaling of single pulse energy. The laser directly generates a nearly diffraction-limited beam with an average power of 17 W operating at the fundamental repetition rate of 14.01 MHz, corresponding to a pulse energy of 1.2 mu J. The pulses could be externally dechirped to similar to 58 fs, leading to a peak power of similar to 13 MW. To the best of our knowledge, this is the highest pulse energy with sub-100 fs duration ever obtained directly from a mode-locked fiber oscillator.

引用

页码：7175 / 7179

页数：5

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