Dual-wavelength generation of picosecond pulses with 9.8 GHz repetition rate in Nd: YAG waveguide laser with graphene

被引：21

作者：

Ponarina, M., V ^{[1
]}

Okhrimchuk, A. G. ^{[2
,3
]}

Rybin, M. G. ^{[1
]}

Smayev, M. P. ^{[3
]}

Obraztsova, E. D. ^{[1
]}

Smirnov, A., V ^{[1
]}

Zhluktova, I., V ^{[1
]}

Kamynin, V. A. ^{[1
]}

Dolmatov, T., V ^{[1
]}

Bukin, V. V. ^{[1
]}

Obraztsov, P. A. ^{[1
]}

机构：

[1] Russian Acad Sci, AM Prokhorov Gen Phys Inst, Ul Vavilova 38, Moscow 119991, Russia

[2] Russian Acad Sci, Fiber Opt Res Ctr, Ul Vavilova 38, Moscow 119991, Russia

[3] D Mendeleev Univ Chem Technol Russia, Pl Miusskaya 9, Moscow 125047, Russia

来源：

QUANTUM ELECTRONICS | 2019年 / 49卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

waveguide lasers; ultrashort pulses; gigahertz pulse repetition rate; Nd:YAG; mode locking; graphene; direct laser writing; POWER;

D O I：

10.1070/QEL16983

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 report a new solid-state waveguide laser generating picosecond pulses with a GHZ, repetition rate, based on the use of graphene as a saturable absorber. Lasing at the main transverse mode is provided by the geometry of a cylindrical waveguide formed in the active crystal volume by the method of direct writing with a femtosecond laser beam. Fine tuning of the intracavity interferometer formed between the active medium and output mirror makes it possible to control the spectral-temporal parameters of output radiation and to smoothly tune the repetition rate of pulses having a duration of less than 20 ps. In particular, the possibility of dual-wavelength generation in the regime of continuous passive mode locking using a single saturable absorber based on graphene is demonstrated. By amplifying laser output radiation in the ytterbium fibre amplifier, an average output power of 539 mW is obtained.

引用

页码：365 / 370

页数：6

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