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Laser modes in organic solid-state distributed feedback lasers

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Abstract.

We report on the laser modes in optically pumped solid-state lasers using an electroluminescent organic semiconductor as the active medium. Mechanically flexible distributed-feedback lasers are fabricated by depositing a thin film of an active material onto a nano-patterned polyester substrate either via spin-coating of a soluble ladder-type poly(p-phenylene) or via vacuum co-sublimation of small organic molecules. The different surface texture resulting from the fabrication process causes different feedback mechanisms. In both lasers higher lateral modes give rise to a broadening of the laser spectra at higher pumping levels.

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Authors and Affiliations

  1. Lehrstuhl für Photonik und Optoelektronik, Sektion Physik und CeNS, Ludwig-Maximilians-Universität, Amalienstr. 54, 80799 München, Germany, , , , , , DE

    S. Riechel, U. Lemmer & J. Feldmann

  2. Institut für Hochfrequenztechnik der TU Braunschweig, Schleinitzstr. 23 A, 38106 Braunschweig, Germany, , , , , , DE

    T. Benstem & W. Kowalsky

  3. Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany, , , , , , DE

    U. Scherf

  4. Fraunhofer Institut für Solare Energiesysteme, Oltmannstr. 5, 79100 Freiburg, Germany, , , , , , DE

    A. Gombert & V. Wittwer

Authors
  1. S. Riechel
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  2. U. Lemmer
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  3. J. Feldmann
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  4. T. Benstem
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  5. W. Kowalsky
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  6. U. Scherf
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  7. A. Gombert
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  8. V. Wittwer
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Additional information

Received: 7 August 2000 / Revised version: 12 September 2000 / Published online: 8 November 2000

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Riechel, S., Lemmer, U., Feldmann, J. et al. Laser modes in organic solid-state distributed feedback lasers . Appl Phys B 71, 897–900 (2000). https://doi.org/10.1007/s003400000467

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  • DOI: https://doi.org/10.1007/s003400000467

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