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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 25 — Sep. 1, 2011
  • pp: E131–E137

Polarization singularities in the two-mode optical fiber output

Y. V. Jayasurya, V. V. G. Krishna Inavalli, and Nirmal K. Viswanathan  »View Author Affiliations

Applied Optics, Vol. 50, Issue 25, pp. E131-E137 (2011)

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We report here the controlled generation of polarization singularities (PS) in the output beam from a two-mode optical fiber, obtained via coherent superposition of the fundamental ( HE 11 ) mode with the vortex ( CV ± 1 ± / IV ± 1 ± ) modes by selectively coupling circularly polarized ( σ = ± 1 ) Gaussian ( TEM 00 ) input beam at two different launch angles. The PS in the output beam are characterized using the complex Stokes fields and interferometry measurements, based on the two-mode optical fiber which are an effective means to generate, manipulate, study, and use isolated PS, depending strongly on the input launch conditions.

© 2011 Optical Society of America

OCIS Codes
(260.5430) Physical optics : Polarization
(080.4865) Geometric optics : Optical vortices
(260.6042) Physical optics : Singular optics
(260.2710) Physical optics : Inhomogeneous optical media

Original Manuscript: March 14, 2011
Revised Manuscript: June 21, 2011
Manuscript Accepted: July 15, 2011
Published: August 8, 2011

Y. V. Jayasurya, V. V. G. Krishna Inavalli, and Nirmal K. Viswanathan, "Polarization singularities in the two-mode optical fiber output," Appl. Opt. 50, E131-E137 (2011)

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