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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 12 — Jun. 15, 2009
  • pp: 1795–1797

Beam quality output of a few-modes fiber seeded by an off-center single-mode fiber source

Yariv Shamir, Yoav Sintov, Ehud Shafir, and Mark Shtaif  »View Author Affiliations


Optics Letters, Vol. 34, Issue 12, pp. 1795-1797 (2009)
http://dx.doi.org/10.1364/OL.34.001795


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Abstract

We study the beam quality at the output of a multimode step-index optical fiber with a small number of modes following injection from a single-mode input fiber. It is shown that the output beam quality is optimized when the injecting fiber is offset from the center of the receiving core. Theoretical results demonstrating this phenomenon are in good agreement with an experimental demonstration. These results may have practical consequences in beam-coupling schemes and in applications emphasizing the importance of beam quality.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(350.5500) Other areas of optics : Propagation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 5, 2009
Revised Manuscript: May 4, 2009
Manuscript Accepted: May 5, 2009
Published: June 4, 2009

Citation
Yariv Shamir, Yoav Sintov, Ehud Shafir, and Mark Shtaif, "Beam quality output of a few-modes fiber seeded by an off-center single-mode fiber source," Opt. Lett. 34, 1795-1797 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-12-1795


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