Long-term stable passive synchronization of 50 μJ femtosecond Yb-doped fiber chirped-pulse amplifier with a mode-locked Ti:sapphire laser

被引：19

作者：

Yoshitomi, Dai ^{[1
,2
]}

Zhou, Xiangyu ^{[1
,2
]}

Kobayashi, Yohei ^{[3
]}

Takada, Hideyuki ^{[1
,2
]}

Torizuka, Kenji ^{[1
,2
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[2] Japan Sci & Technol Agcy, Core Res Evolut Sci & Technol CREST, Chiyoda Ku, Tokyo 1020075, Japan

[3] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 25期

关键词：

FEW-CYCLE OPCPA; PARAMETRIC AMPLIFICATION; TI-SAPPHIRE; TISAPPHIRE LASER; ULTRALOW-JITTER; SYSTEM; GENERATION; POWER; OSCILLATOR; KHZ;

D O I：

10.1364/OE.18.026027

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report long-term stable passive synchronization of a femtosecond Yb-doped fiber chirped-pulse amplifier (CPA) with a mode-locked Ti:sapphire laser for pump-seed synchronization of an optical parametric chirped-pulse amplification (OPCPA) system. The fiber CPA system delivers pulses with a wavelength of 1035 nm, energy of 50 mu J, and duration of 690 fs at a repetition rate of 0.4 MHz. The seed fiber oscillator is passively synchronized with a mode-locked Ti: sapphire laser by injection of the Ti: sapphire laser pulses into the cavity of the fiber oscillator. The second harmonic (SH) output with a wavelength of 518 nm, energy of 18 mu J, and duration of 1.2 ps was prepared for the OPCPA pump. The measured timing jitter between the pump (fiber SH) and the seed (Ti: sapphire) was 42 +/- 14 fs, while the jitter between two oscillator outputs was 1.4 +/- 0.5 fs. The robust synchronization technique allows long-term stable operation over 8 h. (C) 2010 Optical Society of America

引用

页码：26027 / 26036

页数：10

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