Femtosecond VECSEL with tunable multi-gigahertz repetition rate

被引：38

作者：

Sieber, Oliver D. ^{[1
]}

Wittwer, Valentin J. ^{[1
]}

Mangold, Mario ^{[1
]}

Hoffmann, Martin ^{[1
]}

Golling, Matthias ^{[1
]}

Suedmeyer, Thomas ^{[1
]}

Keller, Ursula ^{[1
]}

机构：

[1] ETH, Inst Quantum Elect, Dept Phys, CH-8093 Zurich, Switzerland

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 23期

关键词：

EMITTING SEMICONDUCTOR-LASERS; SATURABLE ABSORBER MIRRORS; HIGH-POWER; OPTICAL CHARACTERIZATION; SESAMS;

D O I：

10.1364/OE.19.023538

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a femtosecond vertical external cavity surface emitting laser (VECSEL) that is continuously tunable in repetition rate from 6.5 GHz up to 11.3 GHz. The use of a low-saturation fluence semiconductor saturable absorber mirror (SESAM) enables stable cw modelocking with a simple cavity design, for which the laser mode area on SESAM and VECSEL are similar and do not significantly change for a variation in cavity length. Without any realignment of the cavity for the full tuning range, the pulse duration remained nearly constant around 625 fs with less than 3.5% standard deviation. The center wavelength only changed +/-0.2 nm around 963.8 nm, while the output power was 169 mW with less than 6% standard deviation. Such a tunable repetition rate is interesting for various metrology applications such as optical sampling by laser cavity tuning (OSCAT). (C) 2011 Optical Society of America

引用

页码：23538 / 23543

页数：6

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