Lasing and condensation in plasmonic lattices

I review our recent findings on lasing / condensation in plasmonic nanoparticle lattices1-5. 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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Bose-Einstein condensation, Lasing, Nano-optics, Plasmon

DOI

10.1117/12.2529353

Citation

Hakala, T K, Rekola, H T, Väkeväinen, A I, Martikainen, J P, Nečada, M, Moilanen, A J & Törmä, P 2019, Lasing and condensation in plasmonic lattices . in G S Subramania & S Foteinopoulou (eds), Active Photonic Platforms XI ., 110811B, Proceedings of SPIE - The International Society for Optical Engineering, vol. 11081, SPIE, Active Photonic Platforms, San Diego, California, United States, 11/08/2019 . https://doi.org/10.1117/12.2529353

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https://urn.fi/URN:NBN:fi:aalto-202002122115

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[article-cris] Perustieteiden korkeakoulu / SCI

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Lasing and condensation in plasmonic lattices

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