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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 14 — Jul. 7, 2008
  • pp: 10658–10663

Subpicometer wavelength accuracy with gain-switched laser diode in high-resolution optical spectrometry

C. Heras, J. Subías, J. Pelayo, F. Villuendas, and F. López  »View Author Affiliations

Optics Express, Vol. 16, Issue 14, pp. 10658-10663 (2008)

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We present a method to generate an optical reference comb signal with subpicometer wavelength accuracy. XPM nonlinear effect in a fiber is used to get an optical frequency comb signal, free of frequency chirp and wavelength instabilities, from a pulsed gain-switched laser diode. Principles of such comb generation are presented as well as the application of this comb as a ruler to measure frequency differences in high resolution optical spectrum measurements. To confirm this method, Brillouin filtering optical spectrometric technique is used to characterize a modulated optical source. Typical resolution of this technique allows 0.08 pm wavelength accuracy.

© 2008 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(070.4790) Fourier optics and signal processing : Spectrum analysis
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 11, 2008
Revised Manuscript: May 9, 2008
Manuscript Accepted: June 3, 2008
Published: July 2, 2008

C. Heras, J. Subías, J. Pelayo, F. Villuendas, and F. López, "Subpicometer wavelength accuracy with gain-switched laser diode in high-resolution optical spectrometry," Opt. Express 16, 10658-10663 (2008)

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