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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 21 — Nov. 1, 2007
  • pp: 3095–3097

Bandwidth-independent linear method for detection of the carrier-envelope offset phase

Karoly Osvay, Mihaly Görbe, Christian Grebing, and Günter Steinmeyer  »View Author Affiliations


Optics Letters, Vol. 32, Issue 21, pp. 3095-3097 (2007)
http://dx.doi.org/10.1364/OL.32.003095


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Abstract

We propose and demonstrate a novel linear procedure for measurement of the carrier-envelope offset (CEO) phase of femtosecond oscillators. The technique is based on a Mach–Zehnder interferometer, a ring resonator, and a spectrograph. In this scheme, interference between subsequent pulses from a pulse train may frustrate the interference between identical pulses in the Mach–Zehnder, resulting in a modification of interference contrast depending on the CEO phase. We suggest spectrally and spatially resolved interferometry for robust detection of the fringe visibility. It is shown by numerical simulations and experimentally demonstrated that the visibility of such fringes uniquely depends on the CEO phase of the pulse train. Since the method relies only on linear interactions and does not require any nonlinear conversion, it allows characterizing the CEO frequency of mode-locked oscillators with virtually arbitrarily low bandwidth and power levels.

© 2007 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 3, 2007
Revised Manuscript: September 20, 2007
Manuscript Accepted: September 27, 2007
Published: October 18, 2007

Citation
Karoly Osvay, Mihaly Görbe, Christian Grebing, and Günter Steinmeyer, "Bandwidth-independent linear method for detection of the carrier-envelope offset phase," Opt. Lett. 32, 3095-3097 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-21-3095

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