6.5 GHz Q-switched mode-locked waveguide lasers based on two-dimensional materials as saturable absorbers

被引：69

作者：

Li, Ziqi ^{[1
]}

Zhang, Yuxia ^{[2
,3
]}

Cheng, Chen ^{[1
]}

Yu, Haohai ^{[2
,3
]}

Chen, Feng ^{[1
]}

机构：

[1] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Shandong, Peoples R China

[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Shandong, Peoples R China

[3] Shandong Univ, Inst Crystal Mat, Jinan 250100, Shandong, Peoples R China

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 09期

基金：

中国国家自然科学基金;

关键词：

TOPOLOGICAL INSULATOR BI2SE3; GRAPHENE PHOTONICS; SLOPE EFFICIENCY; FIBER LASER; MOS2; DISULFIDE; LOCKING;

D O I：

10.1364/OE.26.011321

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Two-dimensional (2D) materials have generated great interest in the past few years opening up a new dimension in the development of optoelectronics and photonics. In this paper, we demonstrate 6.5 GHz fundamentally Q-switched mode-locked lasers with high performances in the femtosecond laser-written waveguide platform by applying graphene, MoS2 and Bi2Se3 as saturable absorbers (SAs). The minimum mode-locked pulse duration was measured to be as short as 26 ps in the case of Bi2Se3 SA. The maximum slope efficiency reached 53% in the case of MoS2 SA. This is the first demonstration of Q-switched mode-locked waveguide lasers based on MoS2 and Bi2Se3 in the waveguide platform. These high-performance Q-switched mode-locked waveguide lasers based on 2D materials pave the way for practical applications of compact ultrafast photonics. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.

引用

页码：11321 / 11330

页数：10

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