Pump-Polarization Effects in Dye-Doped Polymer Optical Fibers

M. Asuncion Illarramendi, Joseba Zubia, Inaki Bikandi, Igor Ayesta, Itxaso Parola, Ibon Aramburu, Jon Arrue, Akihiro Tagaya, Yasuhiro Koike

研究成果: Article査読

2 被引用数 (Scopus)


This paper presents a study on the influence of the polarization of the pump beam on the emission properties of dye-doped polymer optical fibers. The fiber samples, which are pumped transversely with linearly polarized light, are graded-index polymer optical fibers doped with rhodamine 6G. The variation of the intensity and angular distribution of the output emission are theoretically and experimentally analyzed as the polarization direction of the pump is changed. The analysis is carried out both in the regime of fluorescence and in the regime of amplified spontaneous emission. It is shown that a pump polarization perpendicular to the fiber symmetry axis yields not only higher emission efficiency but also narrower axial angular width. The effect of the polarization of the pump beam on the properties of the amplified spontaneous emission is also measured, including its threshold-like energy, relative efficiency, and optical gain. The results indicate that the pump polarization determines the light-emitting performance of dye-doped polymer optical fibers.

ジャーナルJournal of Lightwave Technology
出版ステータスPublished - 2018 9月 15

ASJC Scopus subject areas

  • 原子分子物理学および光学


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