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Applied Physics Letters / Volume 82 / Issue 3 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 82, 313 (2003); http://dx.doi.org/10.1063/1.1536249 (3 pages)

Operating characteristics of a semiconducting polymer laser pumped by a microchip laser

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

1Organic Semiconductor Centre & 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

(Received 27 September 2002; accepted 18 November 2002)

We report the demonstration of a compact, all-solid-state polymer laser system featuring a microchip laser as the pump source. The laser was configured as a surface-emitting, two-dimensional distributed feedback laser, based on the conjugated polymer poly(2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene vinylene). Pulsed, band-edge lasing was observed at 636 nm above a threshold pump energy of 4 nJ. The laser exhibited an energy slope efficiency of 6.8%, with a maximum output energy of 1.12 nJ at a pump energy of 20.4 nJ. The output beam had an azimuthally polarized annular profile with a beam quality factor (M2) of 2.2, close to the theoretical value of the lowest-order Laguerre–Gaussian and Bessel–Gaussian annular modes. We explain the origin of the azimuthal polarization as due to a coherent combination of the resonant fields supported by the two gratings. © 2003 American Institute of Physics.

© 2003 American Institute of Physics

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KEYWORDS and PACS

Keywords

organic semiconductors, semiconductor lasers, microchip lasers, optical pumping, surface emitting lasers, distributed feedback lasers, conducting polymers, laser beams, laser modes, light polarisation

PACS

  • 42.55.Px

    Semiconductor lasers; laser diodes

  • 42.60.Da

    Resonators, cavities, amplifiers, arrays, and rings

  • 42.60.Jf

    Beam characteristics: profile, intensity, and power; spatial pattern formation

  • 42.55.Sa

    Microcavity and microdisk lasers

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.1536249

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    S. Riechel, C. Kallinger, U. Lemmer, J. Feldmann, K. Gombert, V. Wittwer, and U. Scherf, Appl. Phys. Lett. 77, 2310 (2000)APPLAB000077000015002310000001.

    G. A. Turnbull, P. Andrew, W. L. Barnes, and I. D. W. Samuel, Phys. Rev. B 64, 125122 (2001).

    J. R. Lawrence, G. A. Turnbull, and I. D. W. Samuel, Appl. Phys. Lett. 80, 3036 (2002)APPLAB000080000017003036000001.

    J. A. E. Wasey, A. Safonov, I. D. W. Samuel, and W. L. Barnes, Phys. Rev. B 64, 205201 (2001).

    S. H. Macomber, J. S. Mott, R. J. Noll, G. M. Gallatin, E. J. Gratrix, S. L. O'Dwyer, and S. A. Lambert, Appl. Phys. Lett. 51, 472 (1987)APPLAB000051000007000472000001.


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