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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 5 — Mar. 1, 2008
  • pp: 437–439

Simple and highly sensitive optical pulse-characterization method based on electro-optic spectral signal differentiation

José Azaña, Yongwoo Park, Tae-Jung Ahn, and Fangxing Li  »View Author Affiliations


Optics Letters, Vol. 33, Issue 5, pp. 437-439 (2008)
http://dx.doi.org/10.1364/OL.33.000437


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Abstract

A very simple self-referenced, linear pulse-characterization technique based on spectral phase reconstruction by frequency-domain signal differentiation is introduced. This technique can be implemented using electro-optic intensity modulation of the pulse under test with a synchronized RF sinusoid. The pulse spectral phase profile can be accurately and unambiguously reconstructed from only two measured energy spectra, i.e., at the input and at the output of the modulator, using a direct analytic equation. The method is experimentally demonstrated by precisely characterizing microwatt-power picosecond pulses after linear dispersion through short sections ( 50 700 m ) of conventional single-mode fiber.

© 2008 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.7100) Ultrafast optics : Ultrafast measurements
(070.7145) Fourier optics and signal processing : Ultrafast processing

ToC Category:
Ultrafast Optics

History
Original Manuscript: November 14, 2007
Revised Manuscript: January 4, 2008
Manuscript Accepted: January 15, 2008
Published: February 20, 2008

Citation
José Azaña, Yongwoo Park, Tae-Jung Ahn, and Fangxing Li, "Simple and highly sensitive optical pulse-characterization method based on electro-optic spectral signal differentiation," Opt. Lett. 33, 437-439 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-5-437


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