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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 1 — Jan. 8, 2007
  • pp: 104–112

Stabilization and control of the carrier-envelope phase of high-power femtosecond laser pulses using the direct locking technique

Tayyab Imran, Yong Soo Lee, Chang Hee Nam, Kyung-Han Hong, Tae Jun Yu, and Jae Hee Sung  »View Author Affiliations

Optics Express, Vol. 15, Issue 1, pp. 104-112 (2007)

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We have stabilized and electronically controlled the carrier-envelope phase (CEP) of high-power femtosecond laser pulses, generated in a grating-based chirped-pulse amplification kHz Ti:sapphire laser with two multipass amplifiers, using the direct locking technique [Opt. Express 13, 2969 (2005)] combined with a slow feedback loop. An f-2f spectral interferometer has shown the CEP stabilities of 1.2 rad with the direct locking loop applied to the oscillator and of 180 mrad with an additional slow feedback loop, respectively. The electronic CEP modulations that can be easily realized in the direct locking loop are also demonstrated with the amplified pulses.

© 2007 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.3280) Lasers and laser optics : Laser amplifiers
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.5550) Ultrafast optics : Pulses
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 17, 2006
Revised Manuscript: December 18, 2006
Manuscript Accepted: December 21, 2006
Published: January 8, 2007

Tayyab Imran, Yong S. Lee, Chang H. Nam, Kyung-Han Hong, Tae J. Yu, and Jae H. Sung, "Stabilization and control of the carrier-envelope phase of high-power femtosecond laser pulses using the direct locking technique," Opt. Express 15, 104-112 (2007)

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