Selective excitation of LP01 and LP02 in dual-concentric cores fiber using an adiabatically tapered microstructured mode converter

Marwa Sammouda; Aymen Belhadj Taher; Faouzi Bahloul; Philippe Di Bin

doi:10.1117/1.OE.55.9.095103

21 September 2016 Selective excitation of LP₀₁ and LP₀₂ in dual-concentric cores fiber using an adiabatically tapered microstructured mode converter

Marwa Sammouda, Aymen Belhadj Taher, Faouzi Bahloul, Philippe Di Bin

Author Affiliations +

Optical Engineering, Vol. 55, Issue 9, 095103 (September 2016). https://doi.org/10.1117/1.OE.55.9.095103

Abstract

We propose to connect a single-mode fiber (SMF) to a dual-concentric cores fiber (DCCF) using an adiabatically tapered microstructured mode converter, and to evaluate the SMF LP₀₁ mode and the DCCF LP₀₁ and LP₀₂ modes selective excitations performances. We theoretically and numerically study this selective excitation method by calculating the effective indices of the propagated modes, the adiabaticity criteria, the coupling loss, and the modes amplitudes along the tapered structure. This study shows that this method is able to achieve excellent selective excitations of the first two linearly polarized modes (LP₀₁ and LP₀₂) among the five guided modes in the DCCF with a negligible loss. The part of the LP₀₁ and LP₀₂ modes from the total power are 99% and 84% corresponding to 0.1 and 0.8 dB losses, respectively.

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Marwa Sammouda, Aymen Belhadj Taher, Faouzi Bahloul, and Philippe Di Bin "Selective excitation of LP₀₁ and LP₀₂ in dual-concentric cores fiber using an adiabatically tapered microstructured mode converter," Optical Engineering 55(9), 095103 (21 September 2016). https://doi.org/10.1117/1.OE.55.9.095103

Published: 21 September 2016

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