Theoretical and experimental analysis of polymer optical fibers working as broadband lasers

J. Arrue, I. Parola, I. Ayesta, F. Jiménez, M. A. Illarramendi, J. Zubia, A. Tagaya, Yasuhiro Koike

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Variable Stripe Length (VSL) method is applied to side-pumped rhodamine 6G-doped gradedindex polymer optical fibers (POFs) of two different dopant concentrations. For each position of the blocking blade, we obtain the output powers that serve to determine the net optical gain per unit length (g) of each pumped fiber, and we analyze the corresponding output spectral widths and average wavelengths. The study, which is carried out both theoretically and computationally, provides an insight into the effect of the dopant concentration on the emission properties of POFs working as broadband lasers. For a fixed concentration and pump energy, greater gains g are achieved with shorter excitation lengths, i.e. with greater intensities. For a fixed excitation length and pump energy, a blue shift and a spectral narrowing of the emission spectra transmitted by the fiber have been observed as the concentration increases, irrespective of the total fiber length. The same occurs when the excitation length is increased.

Original languageEnglish
Title of host publication24th International Conference on Plastic Optical Fibers, POF 2015 - Conference Proceedings
PublisherInternational Conference on Plastic Optical Fibers
Pages261-264
Number of pages4
Publication statusPublished - 2015
Event24th International Conference on Plastic Optical Fibers, POF 2015 - Nuremberg, Germany
Duration: 2015 Sep 222015 Sep 24

Other

Other24th International Conference on Plastic Optical Fibers, POF 2015
CountryGermany
CityNuremberg
Period15/9/2215/9/24

Keywords

  • Active polymer optical fiber
  • Amplified spontaneous emission
  • Emission spectrum
  • Optical gain
  • Variable stripe length

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

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  • Cite this

    Arrue, J., Parola, I., Ayesta, I., Jiménez, F., Illarramendi, M. A., Zubia, J., Tagaya, A., & Koike, Y. (2015). Theoretical and experimental analysis of polymer optical fibers working as broadband lasers. In 24th International Conference on Plastic Optical Fibers, POF 2015 - Conference Proceedings (pp. 261-264). International Conference on Plastic Optical Fibers.