High power femtosecond chirped pulse amplification in large mode area photonic bandgap Bragg fibers

被引：5

作者：

Daniault, L. ^{[1
]}

Gaponov, D. A. ^{[2
]}

Hanna, M. ^{[1
]}

Fevrier, S. ^{[2
]}

Roy, P. ^{[2
]}

Druon, F. ^{[1
]}

Georges, P. ^{[1
]}

Likhachev, M. E. ^{[3
]}

Salganskii, M. Y. ^{[4
]}

Yashkov, M. V. ^{[4
]}

机构：

[1] Univ Paris 11, CNRS, Inst Opt, Lab Charles Fabry, F-91127 Palaiseau, France

[2] Univ Limoges, CNRS, UMR 6172, F-87060 Limoges, France

[3] Russian Acad Sci, Fiber Opt Res Ctr, Moscow 119333, Russia

[4] Inst Chem High Pur Subst, Nizhnii Novgorod 603950, Russia

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2011年 / 103卷 / 03期

关键词：

AMPLIFIER; SYSTEM; STEP;

D O I：

10.1007/s00340-011-4446-y

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on high power amplification of femtosecond pulses in 40-mu m core diameter Yb-doped photonic bandgap Bragg fibers. The robustness to bending and transverse spatial behavior of these fibers is analyzed through simulations. The fibers are used in both stages of a moderately stretched (150 ps) femtosecond chirped pulsed amplification (CPA) system. A compressed average power of 6.3 W is obtained using a low-index polymer-coated Bragg fiber with excellent beam quality and high efficiency, in agreement with numerical simulations. The use of an air-clad Bragg fiber allows us to scale the output power to 47 W at a repetition rate of 35 MHz. This experiment demonstrates the great potential of Bragg fibers to increase the mode area and the power of practical bending-tolerant femtosecond fiber systems.

引用

页码：615 / 621

页数：7

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