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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 9 — May. 1, 2003
  • pp: 746–748

Control of relative carrier-envelope phase slip in femtosecond Ti:sapphire and Cr:forsterite lasers

Yohei Kobayashi, Kenji Torizuka, and Zhiyi Wei  »View Author Affiliations


Optics Letters, Vol. 28, Issue 9, pp. 746-748 (2003)
http://dx.doi.org/10.1364/OL.28.000746


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Abstract

We were able to control relative carrier-envelope phase slip among mode-locked Ti:sapphire and Cr:forsterite lasers by employing electronic feedback. The pulse timings of these lasers were passively synchronized with our crossing-beam technique. Since the optical-frequency ratio of Ti:sapphire and Cr:forsterite is approximately 3:2, we can observe the phase relation by superimposing the third harmonic of Cr:forsterite and the second harmonic of Ti:sapphire lasers in time and in space. The spectrum width of the locked beat note was less than 3 kHz, which corresponds to the controlled fluctuation of a cavity-length difference of less than 10 pm.

© 2003 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.7090) Ultrafast optics : Ultrafast lasers

Citation
Yohei Kobayashi, Kenji Torizuka, and Zhiyi Wei, "Control of relative carrier-envelope phase slip in femtosecond Ti:sapphire and Cr:forsterite lasers," Opt. Lett. 28, 746-748 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-9-746

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