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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 10 — Oct. 1, 2007
  • pp: 2707–2720

Multimode interference in circular step-index fibers studied with the mode expansion approach

Hongbo Li, Moysey Brio, Li Li, Axel Schülzgen, Nasser Peyghambarian, and Jerome V. Moloney  »View Author Affiliations


JOSA B, Vol. 24, Issue 10, pp. 2707-2720 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002707


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Abstract

The mode expansion approach in vectorial form, using a complete set of guided modes of a circular step-index fiber (SIF), is developed and applied to analyze multimode interference in multimode fibers (MMFs) for the first time, to the best of our knowledge. The complete set of guided modes of an SIF is defined based on its modal properties, and a suitable modal orthogonality relation is identified to evaluate the coefficients in a mode expansion. An algorithm, adaptive to incident fields, is then developed to systematically and efficiently perform mode expansion in highly MMFs. The mode expansion approach is successfully applied to investigate the mode-selection properties of coreless fiber segments incorporated in multicore fiber lasers and the self-imaging in MMFs.

© 2007 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2340) Fiber optics and optical communications : Fiber optics components
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 14, 2007
Revised Manuscript: August 8, 2007
Manuscript Accepted: August 9, 2007
Published: September 24, 2007

Citation
Hongbo Li, Moysey Brio, Li Li, Axel Schülzgen, Nasser Peyghambarian, and Jerome V. Moloney, "Multimode interference in circular step-index fibers studied with the mode expansion approach," J. Opt. Soc. Am. B 24, 2707-2720 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-10-2707

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