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Optical Engineering • new

Polarization properties of vector solitons generated by modulation instability in a fiber with circular birefringence
Author(s): Ariel Flores-Rosas; Evgeny A. Kuzin; Roberto Arceo; Orlando Díaz-Hernández; Victor I. Ruiz-Pérez; Gerardo J. Escalera-Santos
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Paper Abstract

We analyzed the two coupled propagation equations in a circularly birefringent fiber. We found that the difference between perpendicular and parallel Raman gain results in energy transform from a slow to fast circularly polarized component. We have shown this effect analytically and by a numerical simulation. We analyzed and measured the polarization of solitons generated by modulation instability and we found that polarization ellipticity of solitons is distributed randomly; however, the ellipticity of polarization is close to the polarization of the input pulse and always is shifted toward the circular polarization. Therefore, if a circularly polarized pulse is launched at the fiber input then the produced solitons are also circularly polarized. In the experiment, we used SMF-28 twisted fiber by 6    turns / m ; the fiber twist mitigated the random linear birefringence, and the fiber was pumped by 1-ns pulse. We have found that circular polarization of the pump pulse in the twisted fiber produces circularly polarized solitons with a high grade of polarization while in the fiber without twist the soliton polarization was random.

Paper Details

Date Published: 25 March 2017
PDF: 6 pages
Opt. Eng. 56(3) 036115 doi: 10.1117/1.OE.56.3.036115
Published in: Optical Engineering Volume 56, Issue 3
Show Author Affiliations
Ariel Flores-Rosas, Univ. Autónoma de Chiapas (México)
Evgeny A. Kuzin, Instituto Nacional de Astrofísica, Óptica y Electrónica (México)
Roberto Arceo, Univ. Autónoma de Chiapas (México)
Orlando Díaz-Hernández, Univ. Autónoma de Chiapas (México)
Victor I. Ruiz-Pérez, Univ. Autónoma de Chiapas (México)
Gerardo J. Escalera-Santos, Univ. Autónoma de Chiapas (México)


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