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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 11 — May. 23, 2011
  • pp: 10805–10812

Time resolved chirp measurements of gain switched semiconductor laser using a polarization based optical differentiator

Antonio Consoli, Jose Manuel G. Tijero, and Ignacio Esquivias  »View Author Affiliations

Optics Express, Vol. 19, Issue 11, pp. 10805-10812 (2011)

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We present a novel implementation of the “phase reconstruction using optical ultra fast differentiation” (PROUD) technique and apply it to characterize the time resolved chirp of a gain switched semiconductor laser. The optical temporal differentiator is a fiber based polarization interferometer. The method provides a fast and simple recovery of the instantaneous frequency from two temporal intensity measurements, obtained by changing the spectral response of the interferometer. Pulses with different shapes and durations of hundreds of picoseconds are fully characterized in amplitude and phase. The technique is validated by comparing the measured pulse spectra with the reconstructed spectra obtained from the intensity and the recovered phase.

© 2011 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 18, 2011
Revised Manuscript: April 30, 2011
Manuscript Accepted: May 12, 2011
Published: May 18, 2011

Antonio Consoli, Jose Manuel G. Tijero, and Ignacio Esquivias, "Time resolved chirp measurements of gain switched semiconductor laser using a polarization based optical differentiator," Opt. Express 19, 10805-10812 (2011)

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