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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 6 — Mar. 12, 2012
  • pp: 6357–6364

Continuously tunable solution-processed organic semiconductor DFB lasers pumped by laser diode

Sönke Klinkhammer, Xin Liu, Klaus Huska, Yuxin Shen, Sylvia Vanderheiden, Sebastian Valouch, Christoph Vannahme, Stefan Bräse, Timo Mappes, and Uli Lemmer  »View Author Affiliations

Optics Express, Vol. 20, Issue 6, pp. 6357-6364 (2012)

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The fabrication and characterization of continuously tunable, solution-processed distributed feedback (DFB) lasers in the visible regime is reported. Continuous thin film thickness gradients were achieved by means of horizontal dipping of several conjugated polymer and blended small molecule solutions on cm-scale surface gratings of different periods. We report optically pumped continuously tunable laser emission of 13 nm in the blue, 16 nm in the green and 19 nm in the red spectral region on a single chip respectively. Tuning behavior can be described with the Bragg-equation and the measured thickness profile. The laser threshold is low enough that inexpensive laser diodes can be used as pump sources.

© 2012 OSA

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.7300) Lasers and laser optics : Visible lasers
(250.2080) Optoelectronics : Polymer active devices

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 5, 2011
Manuscript Accepted: February 6, 2012
Published: March 5, 2012

Sönke Klinkhammer, Xin Liu, Klaus Huska, Yuxin Shen, Sylvia Vanderheiden, Sebastian Valouch, Christoph Vannahme, Stefan Bräse, Timo Mappes, and Uli Lemmer, "Continuously tunable solution-processed organic semiconductor DFB lasers pumped by laser diode," Opt. Express 20, 6357-6364 (2012)

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