Photonic band structure and emission characteristics of a metal-backed polymeric distributed feedback laser

Piers Andrew; Graham A. Turnbull; William L. Barnes; Ifor D. W. Samuel

doi:10.1117/12.470440

13 June 2002 Photonic band structure and emission characteristics of a metal-backed polymeric distributed feedback laser

Piers Andrew, Graham A. Turnbull, William L. Barnes, Ifor D. W. Samuel

Author Affiliations +

Proceedings Volume 4642, Organic Photonic Materials and Devices IV; (2002) https://doi.org/10.1117/12.470440
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

Charge injection in light-emitting diode (LED) structures is commonly achieved using metallic contacts, but the losses associated with metals at optical wavelengths are perceived to be one obstacle to the development of an electrically pumped polymer laser. We show that these losses might not be insurmountable by demonstrating the operation of a distributed-feedback polymer laser fabricated upon a corrugated silver substrate, using the material poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV) as the gain medium. The lasing threshold of this device was increased by a factor of ~150 with respect to that measured for a similar device fabricated without the metal under comparable pumping conditions. The emission characteristics of the device were found to correlate well with the measured photonic band structure, enabling us to explain the effect of the microstructure on device operation.

Citation Download Citation

Piers Andrew, Graham A. Turnbull, William L. Barnes, and Ifor D. W. Samuel "Photonic band structure and emission characteristics of a metal-backed polymeric distributed feedback laser", Proc. SPIE 4642, Organic Photonic Materials and Devices IV, (13 June 2002); https://doi.org/10.1117/12.470440

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