Lasing and condensation in plasmonic lattices

Tommi K. Hakala; Heikki T. Rekola; Aaro I. Väkeväinen; Jani P. Martikainen; Marek Nečada; Antti J. Moilanen; Päivi Törmä

doi:10.1117/12.2529353

12 September 2019 Lasing and condensation in plasmonic lattices

Tommi K. Hakala, Heikki T. Rekola, Aaro I. Väkeväinen, Jani P. Martikainen, Marek Nečada, Antti J. Moilanen, Päivi Törmä

Author Affiliations +

Proceedings Volume 11081, Active Photonic Platforms XI; 110811B (2019) https://doi.org/10.1117/12.2529353
Event: SPIE Nanoscience + Engineering, 2019, San Diego, California, United States

Abstract

I review our recent findings on lasing / condensation in plasmonic nanoparticle lattices^1-5. The system properties can be tailored with high precision, including the lasing / condensation energies, linewidths, as well as the dimensionality of the feedback. For a 2-dimensional (2-D) square lattice, we identify lasing in the bright and the dark mode of the system¹. By reducing the dimensionality to 1-D we observe the dark mode lasing2. In broken symmetry 2-dimensional rectangular lattices, we observe multimode lasing³. In honeycomb lattices with hexagonal symmetry, we observe 6 beams with specific off-normal angles and polarization properties corresponding to six-fold symmetry of such a lattice⁴. Finally, I review our recent studies in plasmonic Bose-Einstein condensation in plasmonic lattices⁵.

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Tommi K. Hakala, Heikki T. Rekola, Aaro I. Väkeväinen, Jani P. Martikainen, Marek Nečada, Antti J. Moilanen, and Päivi Törmä "Lasing and condensation in plasmonic lattices", Proc. SPIE 11081, Active Photonic Platforms XI, 110811B (12 September 2019); https://doi.org/10.1117/12.2529353

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