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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 12 — Jun. 15, 2006
  • pp: 1848–1850

Phase-amplitude characterization of a high-repetition-rate quantum dash passively mode-locked laser

C. Gosset, K. Merghem, G. Moreau, A. Martinez, G. Aubin, J.-L. Oudar, A. Ramdane, and F. Lelarge  »View Author Affiliations


Optics Letters, Vol. 31, Issue 12, pp. 1848-1850 (2006)
http://dx.doi.org/10.1364/OL.31.001848


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Abstract

We apply a novel phase-amplitude characterization method to a one-section quantum dash–based passively mode-locked laser at a 42.2 GHz repetition rate. The method relies on the measurement of the spectral phase of the longitudinal modes by the successive analysis of the correlation signal of a group of three adjacent modes. It provides both the temporal shape of the intensity and the phase of the emitted signal. A pulse of 1.5 ps of width is measured, and a pedestal is exhibited. Extinction ratio limitation is explained by investigating the origin of this pedestal. The accuracy of the method is estimated by comparing the measured autocorrelation signal and the calculated one from the phase analysis.

© 2006 Optical Society of America

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

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 19, 2005
Revised Manuscript: April 6, 2006
Manuscript Accepted: April 6, 2006

Citation
C. Gosset, K. Merghem, G. Moreau, A. Martinez, G. Aubin, J.-L. Oudar, A. Ramdane, and F. Lelarge, "Phase-amplitude characterization of a high-repetition-rate quantum dash passively mode-locked laser," Opt. Lett. 31, 1848-1850 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-12-1848

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