Graphene and SESAM mode-locked Yb:CNGS lasers with self-frequency doubling properties | Zendy

Maciej Kowalczyk | Zendy; Xuzhao Zhang | Zendy; Xavier Mateos | Zendy; Shiyi Guo | Zendy; Zhengping Wang | Zendy; Xinguang Xu | Zendy; Pavel Loiko | Zendy; Jı Eun Bae | Zendy; Fabıan Rotermund | Zendy; Jarosław Sotor | Zendy; Uwe Griebner | Zendy; Valentin Petrov | Zendy

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Graphene and SESAM mode-locked Yb:CNGS lasers with self-frequency doubling properties

Author(s) -

Maciej Kowalczyk,

Xuzhao Zhang,

Xavier Mateos,

Shiyi Guo,

Zhengping Wang,

Xinguang Xu,

Pavel Loiko,

Jı Eun Bae,

Fabıan Rotermund,

Jarosław Sotor,

Uwe Griebner,

Valentin Petrov

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.000590

Subject(s) - materials science , optics , femtosecond , laser , saturable absorption , mode locking , fiber laser , pulse duration , semiconductor laser theory , optoelectronics , diode , semiconductor , physics

We report on mode-locking of an Yb:Ca 3 NbGa 3 Si 2 O 14 laser, which is pumped by a fiber-coupled single-mode laser diode. The shortest pulse duration obtained with a semiconductor saturable absorber mirror is 52 fs, with 75 mW of average output power. Sub-60 fs operation tunable between 1055 and 1074 nm is achieved by employing semiconductor absorbers with different characteristics. We also demonstrate passive mode-locking results with transmissive graphene saturable absorber, reaching an 85 fs pulse duration with 23 mW output power. Moreover, we present the non-phase-matched self-frequency doubling properties of this non-centrosymmetric crystal in the femtosecond regime.

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