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Proceedings Paper

Surface plasmon amplification and active nonreciprocal gratings
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Paper Abstract

In this paper, we review our recent work on active plasmonic structures composed of optically pumped dye molecules infiltrated in a polymer host as the cladding of long-range surface plasmon polariton (LRSPP) structures. In particular, concepts for distributed Bragg and distributed feedback (DBR/DFB) lasers, and a spatially non-reciprocal Bragg grating (NRBG) are reviewed. The LRSPP Bragg grating is a fundamental element in these devices which is created by stepping the width of a metal stripe to produce modulation of refractive index. The gain medium in all of these active devices is assumed to be a thin film (~1μm) of polymer (poly (methyl methacrylate)) doped with organic laser dye molecules IR- 140. The gain medium is assumed pumped optically through the top of the devices via 10 ns laser pulses at 810 nm with 500 kW/cm2 power intensity to enable stimulated emission at 880 nm. The maximum material gain coefficient of this medium was measured independently as 68 cm-1.

Paper Details

Date Published: 12 March 2015
PDF: 11 pages
Proc. SPIE 9352, Synthesis and Photonics of Nanoscale Materials XII, 93520B (12 March 2015); doi: 10.1117/12.2084710
Show Author Affiliations
Elham Karami Keshmarzi, Carleton Univ. (Canada)
R. Niall Tait, Carleton Univ. (Canada)
Pierre Berini, Univ. of Ottawa (Canada)


Published in SPIE Proceedings Vol. 9352:
Synthesis and Photonics of Nanoscale Materials XII
Jan J. Dubowski; David B. Geohegan; Andrei V. Kabashin, Editor(s)

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