Chirped-pulse oscillators: a route to high-power femtosecond pulses without external amplification

Optics Letters
A FernandezA Apolonski

Abstract

We demonstrate a Kerr-lens mode-locked Ti:sapphire oscillator that generates 130-nJ, 26-fs and 220-nJ, 30-fs pulses at a repetition rate of 11 MHz. The generation of stable broadband, high-energy pulses from an extended-cavity oscillator is achieved by the use of chirped multilayer mirrors to produce a small net positive dispersion over a broad spectral range. The resultant chirped picosecond pulses are compressed by a dispersive delay line that is external to the laser cavity. The demonstrated peak powers, in excess of 5 MW, are to our knowledge the highest ever achieved from a cw-pumped laser and are expected to be scalable to tens of megawatts by an increase in the pump power and (or) a decrease in the repetition rate. The demonstrated source permits micromachining of any materials under relaxed focusing conditions.

References

Jul 3, 2003·Optics Letters·R S TaylorP B Corkum
Sep 30, 2003·Optics Letters·József SeresFerenc Krausz
Nov 21, 2007·Optics Letters·Yan JiangChristoph G Rose-Petruck
Dec 19, 2007·Optics Letters·D Côté, H M van Driel

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Citations

Jun 14, 2006·Optics Letters·S DewaldU Morgner
Aug 12, 2005·Optics Letters·Chang-Ki Min, Taiha Joo
Jul 15, 2005·Nature·Christoph GohleTheodor W Hänsch
Apr 1, 2009·Optics Express·A FuerbachM Geissler
Jul 23, 2008·Physical Review Letters·A OzawaTh Udem
Oct 11, 2008·Physical Chemistry Chemical Physics : PCCP·Solenne GaspardMarta Castillejo
Oct 18, 2011·Optics Letters·C E S CastellaniJ R Taylor
Jun 20, 2017·Optica·Zhanwei LiuFrank W Wise
Jan 22, 2015·Optics Express·Vladimir L Kalashnikov, Evgeni Sorokin
Dec 25, 2015·Optics Express·Jie MaDingyuan Tang
Oct 3, 2018·Optics Letters·Pei Liu, Zhaowei Zhang
May 3, 2008·Optics Letters·Brandon G BaleFrank W Wise
Sep 22, 2011·Optics Express·Vladimir L KalashnikovIrina T Sorokina
Sep 22, 2011·Optics Express·W D TanJ Xu
Mar 29, 2012·Optics Express·W SibbettC T A Brown

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