Surface plasmon amplification and active nonreciprocal gratings

Elham Karami Keshmarzi; R. Niall Tait; Pierre Berini

doi:10.1117/12.2084710

12 March 2015 Surface plasmon amplification and active nonreciprocal gratings

Elham Karami Keshmarzi, R. Niall Tait, Pierre Berini

Proceedings Volume 9352, Synthesis and Photonics of Nanoscale Materials XII; 93520B (2015) https://doi.org/10.1117/12.2084710
Event: SPIE LASE, 2015, San Francisco, California, United States

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.

Citation Download Citation

Elham Karami Keshmarzi, R. Niall Tait, and Pierre Berini "Surface plasmon amplification and active nonreciprocal gratings", Proc. SPIE 9352, Synthesis and Photonics of Nanoscale Materials XII, 93520B (12 March 2015); https://doi.org/10.1117/12.2084710

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