Applied Physics B

, Volume 71, Issue 6, pp 897–900

Laser modes in organic solid-state distributed feedback lasers

  • S. Riechel
  • U. Lemmer
  • J. Feldmann
  • T. Benstem
  • W. Kowalsky
  • U. Scherf
  • A. Gombert
  • V. Wittwer
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DOI: 10.1007/s003400000467

Cite this article as:
Riechel, S., Lemmer, U., Feldmann, J. et al. Appl Phys B (2000) 71: 897. doi:10.1007/s003400000467

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.

PACS: 42.60.DA; 42.60.JF; 42.70.JK

Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • S. Riechel
    • 1
  • U. Lemmer
    • 1
  • J. Feldmann
    • 1
  • T. Benstem
    • 2
  • W. Kowalsky
    • 2
  • U. Scherf
    • 3
  • A. Gombert
    • 4
  • V. Wittwer
    • 4
  1. 1.Lehrstuhl für Photonik und Optoelektronik, Sektion Physik und CeNS, Ludwig-Maximilians-Universität, Amalienstr. 54, 80799 München, GermanyDE
  2. 2.Institut für Hochfrequenztechnik der TU Braunschweig, Schleinitzstr. 23 A, 38106 Braunschweig, GermanyDE
  3. 3.Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, GermanyDE
  4. 4.Fraunhofer Institut für Solare Energiesysteme, Oltmannstr. 5, 79100 Freiburg, GermanyDE