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Plasmonic nanoarrays which support collective surface lattice resonances (SLRs) have become an exciting frontier in plasmonics. Compared with the localized surface plasmon resonance (LSPR) in individual particles, these collective modes have appealin
Externí odkaz:
http://arxiv.org/abs/1611.04352
Autor:
Hakala, T. K., Rekola, H. T., Väkeväinen, A. I., Martikainen, J. -P., Nečada, M., Moilanen, A. J., Törmä, P.
Publikováno v:
Nature Communications 8, 13687 (2017)
Lasing at the nanometre scale promises strong light-matter interactions and ultrafast operation. Plasmonic resonances supported by metallic nanoparticles have extremely small mode volumes and high field enhancements, making them an ideal platform for
Externí odkaz:
http://arxiv.org/abs/1606.07404
Autor:
Accurso, F., Gandiglio, M., Santarelli, M., Buunk, J, Hakala, T., Kiviaho, J., Modena, S., Münch, M., Varkaraki, E.
Publikováno v:
In Energy Conversion and Management 1 July 2021 239
Publikováno v:
Phys. Rev. Lett. 112, 153002 (2014)
We study spatial coherence properties of a system composed of periodic silver nanoparticle arrays covered with a fluorescent organic molecule (DiD) film. The evolution of spatial coherence of this composite structure from the weak to the strong coupl
Externí odkaz:
http://arxiv.org/abs/1404.4160
Autor:
Hakala, T. K., Toppari, J. J., Kuzyk, A., Pettersson, M., Tikkanen, H., Kunttu, H., Törmä, P.
Publikováno v:
Phys. Rev. Lett. 103, 053602 (2009)
We report on strong coupling between surface plasmon polaritons (SPP) and Rhodamine 6G (R6G) molecules, with double vacuum Rabi splitting energies up to 230 and 110 meV. In addition, we demonstrate the emission of all three energy branches of the str
Externí odkaz:
http://arxiv.org/abs/0902.0710
Autor:
Nieppola, E., Tornikoski, M., Lähteenmäki, A., Valtaoja, E., Hakala, T., Hovatta, T., Kotiranta, M., Nummila, S., Ojala, T., Parviainen, M., Ranta, M., Saloranta, P. -M., Torniainen, I., Tröller, M.
Publikováno v:
Astron.J.133:1947-1953,2007
We present 37 GHz data obtained at Metsahovi Radio Observatory in 2001 December - 2005 April for a large sample of BL Lacertae objects. We also report the mean variability indices and radio spectral indices in frequency intervals 5 - 37 GHz and 37 -
Externí odkaz:
http://arxiv.org/abs/0705.0887
Publikováno v:
J. Appl. Phys. 101, 034512 (2007)
A micrometer scale calorimeter realized by using Schottky junctions as a thermometer is presented. Combined with a hybrid experimental method, it enables simultaneous time-resolved measurements of variations in both the energy and the heat capacity o
Externí odkaz:
http://arxiv.org/abs/physics/0701044
Autor:
Torsti, T., Eirola, T., Enkovaara, J., Hakala, T., Havu, P., Havu, V., Höynälänmaa, T., Ignatius, J., Lyly, M., Makkonen, I., Rantala, T. T., Ruokolainen, J., Ruotsalainen, K., Räsänen, E., Saarikoski, H., Puska, M. J.
A characteristic feature of the state-of-the-art of real-space methods in electronic structure calculations is the diversity of the techniques used in the discretization of the relevant partial differential equations. In this context, the main approa
Externí odkaz:
http://arxiv.org/abs/cond-mat/0601201
Autor:
Anttila, K., Hakala, T., Kaasalainen, S., Kaartinen, H., Nevalainen, O., Krooks, A., Kukko, A., Jaakkola, A.
Publikováno v:
In Cold Regions Science and Technology January 2016 121:52-59