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Optica Publishing Group
  • Asia Optical Fiber Communication and Optoelectronic Exposition and Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper SuB4
  • https://doi.org/10.1364/AOE.2008.SuB4

Efficient higher-order mode filtering in multimode optical fiber based on an optical microwire

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Abstract

We report the use of an optical microwire (OMW) with specifically designed transition region as an efficient tool to filter higher-order modes in multimode waveguides. Higher-order modes are effectively suppressed by controlling the transition taper profile and the diameter of the optical microwire. As a practical example, single-mode operation of a standard telecom optical fiber over a broad spectral window (400~1700 nm) was demonstrated with a 1μm OMW.

© 2008 Optical Society of America

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