Photonic mode dispersion of a two-dimensional distributed feedback polymer laser

G. A. Turnbull, P. Andrew, W. L. Barnes, and I. D. W. Samuel
Phys. Rev. B 67, 165107 – Published 24 April 2003
PDFExport Citation

Abstract

We present an analysis of the photonic mode dispersion of a two-dimensional (2D) distributed feedback polymer laser based on the conjugated polymer poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylene vinylene]. We use a combination of a simple model, together with experimental measurements of the photonic mode dispersion in transmission and emission, to explain the operating characteristics of the laser. The laser was found to oscillate at 636 nm on one edge of a photonic stop band in the photonic dispersion. A 2D coupling of modes traveling perpendicular to the orthogonal gratings was found to lead to a low divergence laser emission normal to the waveguide. At pump energies well above the oscillation threshold for this mode, a divergent, cross-shaped far-field emission was observed, resulting from a distributed feedback occurring over a wide range of wave vectors in one band of the photonic dispersion.

  • Received 7 October 2002

DOI:https://doi.org/10.1103/PhysRevB.67.165107

©2003 American Physical Society

Authors & Affiliations

G. A. Turnbull1, P. Andrew2, W. L. Barnes2,*, and I. D. W. Samuel1,†

  • 1Organic Semiconductor Centre and Ultrafast Photonics Collaboration, School of Physics and Astronomy, University of St. Andrews, St. Andrews, Fife, KY16 9SS, United Kingdom
  • 2Thin Film Photonics Group, School of Physics, University of Exeter, Stocker Road, Exeter, EX4 4QL, United Kingdom

  • *Corresponding author. Email address: w.l.barnes@ex.ac.uk
  • Corresponding author. Email address: idws@st-andrews.ac.uk

References (Subscription Required)

Click to Expand
Issue

Vol. 67, Iss. 16 — 15 April 2003

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review B

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×