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Open AccessFeature PaperArticle

Polarization Properties of Laser Solitons

by Pedro Rodriguez 1,*,†, Jesus Jimenez 2,†, Thierry Guillet 2,3,† and Thorsten Ackemann 2,†
1
Physics Department, University of Cordoba, Cordoba, 14071 Andalusia, Spain
2
SUPA and Department of Physics, University of Strathclyde, Glasgow G4 0NG, Scotland, UK
3
Laboratoire Charles Coulomb, UMR 5221 CNRS, Universite de Montpellier, 163 Rue Auguste Broussonnet, 34090 Montpellier, France
*
Author to whom correspondence should be addressed.
The authors contributed equally to this work.
Academic Editor: Boris Malomed
Appl. Sci. 2017, 7(5), 442; https://doi.org/10.3390/app7050442
Received: 13 March 2017 / Revised: 19 April 2017 / Accepted: 22 April 2017 / Published: 27 April 2017
(This article belongs to the Special Issue Guided-Wave Optics)
The objective of this paper is to summarize the results obtained for the state of polarization in the emission of a vertical-cavity surface-emitting laser with frequency-selective feedback added. We start our research with the single soliton; this situation presents two perpendicular main orientations, connected by a hysteresis loop. In addition, we also find the formation of a ring-shaped intensity distribution, the vortex state, that shows two homogeneous states of polarization with very close values to those found in the soliton. For both cases above, the study shows the spatially resolved value of the orientation angle. It is important to also remark the appearance of a non-negligible amount of circular light that gives vectorial character to all the different emissions investigated. View Full-Text
Keywords: cavity solitons; vortex beams; vectorial light; spatially resolved polarization cavity solitons; vortex beams; vectorial light; spatially resolved polarization
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Rodriguez, P.; Jimenez, J.; Guillet, T.; Ackemann, T. Polarization Properties of Laser Solitons. Appl. Sci. 2017, 7, 442.

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