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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 22 — Nov. 15, 2007
  • pp: 3312–3314

Linear and quadratic dispersion characterization of millimeter-length fibers and waveguides using common-path interferometry

W. Mohammed, J. Meier, M. Galle, L. Qian, J. S. Aitchison, and P. W. E. Smith

Optics Letters, Vol. 32, Issue 22, pp. 3312-3314 (2007)
http://dx.doi.org/10.1364/OL.32.003312


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Abstract

We measured linear and quadratic dispersion on millimeter-length fibers, waveguides, and nanowires based on common-path spectral interferometry. We obtained the linear dispersion parameter, β, with a relative precision of 1.45×10−4, and extracted the quadratic dispersion parameter, β, from the Taylor expansion of β. β values show a discrepancy of <1% when compared with simulation as well as with measurement results obtained by a conventional Michelson interferometer. Using this method, we experimentally confirmed the sign inversion of the group velocity dispersion of AlGaAs nanowires for what is believed to be the first time.

© 2007 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: July 10, 2007
Revised Manuscript: September 29, 2007
Manuscript Accepted: September 30, 2007
Published: November 6, 2007

Citation
W. Mohammed, J. Meier, M. Galle, L. Qian, J. S. Aitchison, and P. W. E. Smith, "Linear and quadratic dispersion characterization of millimeter-length fibers and waveguides using common-path interferometry," Opt. Lett. 32, 3312-3314 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-22-3312

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