Optical Design and Engineering

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

[+] Author Affiliations
Marwa Sammouda, Aymen Belhadj Taher

Université Tunis El-Manar, Laboratoire Systèmes Electroniques et Réseaux de Communications (SERCOM), Ecole Polytechnique de Tunisie, EPT, B.P. 743, 2078, Tunisie

Université de Limoges, XLIM, UMR CNRS 7252, Photonics Department, 123 Avenue Albert Thomas, F-87060 Limoges Cedex, France

Faouzi Bahloul

Université Tunis El-Manar, Laboratoire Systèmes Electroniques et Réseaux de Communications (SERCOM), Ecole Polytechnique de Tunisie, EPT, B.P. 743, 2078, Tunisie

Philippe Di Bin

Université de Limoges, XLIM, UMR CNRS 7252, Photonics Department, 123 Avenue Albert Thomas, F-87060 Limoges Cedex, France

Opt. Eng. 55(9), 095103 (Sep 21, 2016). doi:10.1117/1.OE.55.9.095103
History: Received May 31, 2016; Accepted August 31, 2016
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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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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

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", Opt. Eng. 55(9), 095103 (Sep 21, 2016). ; http://dx.doi.org/10.1117/1.OE.55.9.095103


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