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Optics Letters

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  • Vol. 36, Iss. 18 — Sep. 15, 2011
  • pp: 3639–3641

Improved carrier-envelope phase locking of intense few-cycle laser pulses using above-threshold ionization

D. Adolph, A. M. Sayler, T. Rathje, K. Rühle, and G. G. Paulus  »View Author Affiliations


Optics Letters, Vol. 36, Issue 18, pp. 3639-3641 (2011)
http://dx.doi.org/10.1364/OL.36.003639


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Abstract

A robust nonoptical carrier-envelope phase (CEP) locking feedback loop, which utilizes a measurement of the left–right asymmetry in the above-threshold ionization (ATI) of Xe, is implemented, resulting in a significant improvement over the standard slow-loop f-to- 2 f technique. This technique utilizes the floating average of a real-time, every-single-shot CEP measurement to stabilize the CEP of few-cycle laser pulses generated by a standard Ti:sapphire chirped-pulse amplified laser system using a hollow-core fiber and chirped mirror compression scheme. With this typical commercially available laser system and the stereographic ATI method, we are able to improve short-term (minutes) CEP stability after a hollow-core fiber from 450 to 290 mrad rms and long-term (hours) stability from 480 to 370 mrad rms.

© 2011 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.7090) Ultrafast optics : Ultrafast lasers
(320.7160) Ultrafast optics : Ultrafast technology
(350.5030) Other areas of optics : Phase

ToC Category:
Ultrafast Optics

History
Original Manuscript: June 24, 2011
Revised Manuscript: August 14, 2011
Manuscript Accepted: August 16, 2011
Published: September 14, 2011

Citation
D. Adolph, A. M. Sayler, T. Rathje, K. Rühle, and G. G. Paulus, "Improved carrier-envelope phase locking of intense few-cycle laser pulses using above-threshold ionization," Opt. Lett. 36, 3639-3641 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-18-3639

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