New Approach for Generating and (De)Multiplexing OAM Modes in a Fiber Coupler Consisting of a Central Ring and Four External Cores

Yan Yan; Jian Wang; Lin Zhang; Jeng-Yuan Yang; Irfan M. Fazal; Nisar Ahmed; Bishara Shamee; Alan E. Willner; Kevin Birnbaum; John Choi; Baris Erkmen; Sam Dolinar

doi:10.1364/ECOC.2011.We.10.P1.12

37th European Conference and Exposition on Optical Communications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper We.10.P1.12
•https://doi.org/10.1364/ECOC.2011.We.10.P1.12

New Approach for Generating and (De)Multiplexing OAM Modes in a Fiber Coupler Consisting of a Central Ring and Four External Cores

Yan Yan, Jian Wang, Lin Zhang, Jeng-Yuan Yang, Irfan M. Fazal, Nisar Ahmed, Bishara Shamee, Alan E. Willner, Kevin Birnbaum, John Choi, Baris Erkmen, and Sam Dolinar

European Conference and Exposition on Optical Communications 2011

Geneva Switzerland
18–22 September 2011
ISBN: 978-1-55752-931-2

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Y. Yan, J. Wang, L. Zhang, J. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, J. Choi, B. Erkmen, and S. Dolinar, "New Approach for Generating and (De)Multiplexing OAM Modes in a Fiber Coupler Consisting of a Central Ring and Four External Cores," in 37th European Conference and Exposition on Optical Communications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper We.10.P1.12.

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Abstract

We propose a fiber coupler to generate up to ten orbital angular momentum modes, which can be generated with 20-dB extinction ratio and mode purity of >99% using a 2-mm-long fiber. The fiber design can be extended to enable all-fiber spatial mode (de)multiplexing.

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