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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 3 — Feb. 1, 2012
  • pp: 347–349

Time-domain multimode dispersion measurement in a higher-order-mode fiber

Ji Cheng, Martin E. V. Pedersen, Ke Wang, Chris Xu, Lars Grüner-Nielsen, and Dan Jakobsen  »View Author Affiliations

Optics Letters, Vol. 37, Issue 3, pp. 347-349 (2012)

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We present a new multimode dispersion measurement technique based on the time-of-flight method. The modal delay and group velocity dispersion of all excited modes in a few-mode fiber can be measured simultaneously by a tunable pulsed laser and a high speed sampling oscilloscope. A newly designed higher-order-mode fiber with large anomalous dispersion in the LP02 mode has been characterized using this method, and experimental results are in good agreement with the designed dispersion values. The demonstrated technique is significantly simpler to implement than the existing frequency-domain or interferometry-based methods.

© 2012 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2300) Fiber optics and optical communications : Fiber measurements

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 18, 2011
Revised Manuscript: November 21, 2011
Manuscript Accepted: November 21, 2011
Published: January 20, 2012

Ji Cheng, Martin E. V. Pedersen, Ke Wang, Chris Xu, Lars Grüner-Nielsen, and Dan Jakobsen, "Time-domain multimode dispersion measurement in a higher-order-mode fiber," Opt. Lett. 37, 347-349 (2012)

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