Ultralow-threshold Kerr-lens mode-locked Ti:Al2O3 laser

被引：48

作者：

Kowalevicz, AM ^{[1
]}

Schibli, TR

Kärtner, FX

Fujimoto, JG

机构：

[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[2] MIT, Elect Res Lab, Cambridge, MA 02139 USA

[3] Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02138 USA

来源：

OPTICS LETTERS | 2002年 / 27卷 / 22期

关键词：

D O I：

10.1364/OL.27.002037

中图分类号：

O43 [光学];

学科分类号：

070207 [光学]; 0803 [光学工程];

摘要：

An ultralow-threshold Kerr-lens mode-locked Ti:Al2O3 laser achieved by use of an extended cavity design is demonstrated. Mode-locking thresholds as low as 156 mW are achieved. Pulses with durations as short as 14 fs and bandwidths of > 100 nm with output powers of similar to 15 mW at 50-MHz repetition rates are generated by only 200 mW of pump power. Reducing the pump power requirements to a factor of 10 x less than required by most conventional Kerr-lens mode-locked lasers permits inexpensive, low-power pump lasers to be used. This will facilitate the development of low-cost, high-performance femtosecond Ti:Al2O3 laser technology. (C) 2002 Optical Society of America.

引用

页码：2037 / 2039

页数：3

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