Search Results - "HAKALA, K."

Spatial coherence properties of organic molecules coupled to plasmonic surface lattice resonances in the weak and strong coupling regimes by Shi, L, Hakala, T K, Rekola, H T, Martikainen, J-P, Moerland, R J, Törmä, P

“…We study spatial coherence properties of a system composed of periodic silver nanoparticle arrays covered with a fluorescent organic molecule (DiD) film. The…”
Get full text

Lasing in dark and bright modes of a finite-sized plasmonic lattice by Hakala, T. K., Rekola, H. T., Väkeväinen, A. I., Martikainen, J.-P., Nečada, M., Moilanen, A. J., Törmä, P.

“…Lasing at the nanometre scale promises strong light-matter interactions and ultrafast operation. Plasmonic resonances supported by metallic nanoparticles have…”
Get full text

Lasing at K Points of a Honeycomb Plasmonic Lattice by Guo, R, Nečada, M, Hakala, T K, Väkeväinen, A I, Törmä, P

“…We study lasing at the high-symmetry points of the Brillouin zone in a honeycomb plasmonic lattice. We use symmetry arguments to define singlet and doublet…”
Get full text

Controlling Topology and Polarization State of Lasing Photonic Bound States in Continuum by Mohamed, Sughra, Wang, Jie, Rekola, Heikki, Heikkinen, Janne, Asamoah, Benjamin, Shi, Lei, Hakala, Tommi K.

“…Recently, optical bound states in continuum (BICs) incorporated with optical gain have been reported to exhibit lasing. Here, it is shown that each of the four…”
Get full text

Sub-picosecond thermalization dynamics in condensation of strongly coupled lattice plasmons by Väkeväinen, Aaro I., Moilanen, Antti J., Nečada, Marek, Hakala, Tommi K., Daskalakis, Konstantinos S., Törmä, Päivi

“…Bosonic condensates offer exciting prospects for studies of non-equilibrium quantum dynamics. Understanding the dynamics is particularly challenging in the…”
Get full text

Surface lattice resonances and magneto-optical response in magnetic nanoparticle arrays by Kataja, M., Hakala, T. K., Julku, A., Huttunen, M. J., van Dijken, S., Törmä, P.

“…Structuring metallic and magnetic materials on subwavelength scales allows for extreme confinement and a versatile design of electromagnetic field modes. This…”
Get full text

Vacuum Rabi splitting and strong-coupling dynamics for surface-plasmon polaritons and rhodamine 6G molecules by Hakala, T K, Toppari, J J, Kuzyk, A, Pettersson, M, Tikkanen, H, Kunttu, H, Törmä, P

“…We report on strong coupling between surface-plasmon polaritons (SPP) and Rhodamine 6G (R6G) molecules, with double vacuum Rabi splitting energies up to 230…”
Get full text

Expected shifts in Fusarium species’ composition on cereal grain in Northern Europe due to climatic change by Parikka, P, Hakala, K, Tiilikkala, K

“…In Northern Europe, changes in climate may result in better growing conditions for many crops. However, the expected warmer and more humid conditions are…”
Get full text

Scattering dominated spatial coherence and phase correlation properties in plasmonic lattice lasers by Heikkinen, Janne I, Asamoah, Benjamin, Calpe, Roman, Nečada, Marek, Koivurova, Matias, Hakala, Tommi K

“…We present a comprehensive study of the polarization and spatial coherence properties of the lasing modes supported by a four-fold symmetric plasmonic lattice…”
Get full text

Hydrolysis of konjac glucomannan by Trichoderma reesei mannanase and endoglucanases Cel7B and Cel5A for the production of glucomannooligosaccharides by Mikkelson, Atte, Maaheimo, Hannu, Hakala, Terhi K.

“…•Oligosaccharides with defined structure were prepared by enzymes from konjac mannan.•Trichoderma reesei mannanase and endoglucanases were used in the…”
Get full text

Nonpublication of trial results for new neurological drugs: A systematic review by Hakala, Amanda K, Fergusson, Dean, Kimmelman, Jonathan

“…Objective To evaluate nonpublication rates among trials of new successful and unsuccessful neurological drugs. Methods “Licensed” drugs consisted of all novel…”
Get full text

Optically induced crossover from weak to strong coupling regime between surface plasmon polaritons and photochromic molecules by Asamoah, Benjamin O., Mohamed, Sughra, Datta, Srijoyee, Karvinen, Petri, Rekola, Heikki, Priimagi, Arri, Hakala, Tommi K.

“…We demonstrate optically induced crossover from a weak to a strong coupling regime in a single photonic system consisting of propagating surface plasmon…”
Get full text

Combining supervised and unsupervised named entity recognition to detect psychosocial risk factors in occupational health checks by Uronen, L., Salanterä, S., Hakala, K., Hartiala, J., Moen, H.

“…•What was already known on the topic: Psychosocial risk factors influence in work ability.•In occupational health care the free text records of health checks…”
Get full text

Plasmon-induced demagnetization and magnetic switching in nickel nanoparticle arrays by Kataja, Mikko, Freire-Fernández, Francisco, Witteveen, Jorn P., Hakala, Tommi K., Törmä, Päivi, van Dijken, Sebastiaan

“…We report on the manipulation of magnetization by femtosecond laser pulses in a periodic array of cylindrical nickel nanoparticles. By performing experiments…”
Get full text

Polarization dependent beaming properties of a plasmonic lattice laser by Asamoah, Benjamin O, Partanen, Henri, Mohamed, Sughra, Heikkinen, Janne, Halder, Atri, Koivurova, Matias, Nečada, Marek, Setälä, Tero, Turunen, Jari, Friberg, Ari T, Hakala, Tommi K

“…We study beaming properties of laser light produced by a plasmonic lattice overlaid with organic fluorescent molecules. The crossover from spontaneous emission…”
Get full text

Noncyclic continuous Pancharatnam—Berry phase in dual-beam interference by Leinonen, Aleksi, Hannonen, Antti, Partanen, Henri, Heikkinen, Janne, Setälä, Tero, Friberg, Ari T., Hakala, Tommi K.

“…The geometric phase for classical electromagnetic light beams, in its original formulation as introduced by Pancharatnam, concerns fields experiencing cyclic,…”
Get full text

Harmfulness of weather events and the adaptive capacity of farmers at high latitudes of Europe by Peltonen-Sainio, Pirjo, Venäläinen, Ari, Mäkelä, Hanna M., Pirinen, Pentti, Laapas, Mikko, Jauhiainen, Lauri, Kaseva, Janne, Ojanen, Hannu, Korhonen, Panu, Huusela-Veistola, Erja, Jalli, Marja, Hakala, Kaija, Kaukoranta, Timo, Virkajärvi, Perttu

“…The climate in high latitudes is characterized by large variability in the weather, leading to significant and diverse risks in agriculture. This study aimed…”
Get full text

Climate change and prolongation of growing season: changes in regional potential for field crop production in Finland by PELTONEN-SAINIO, P., JAUHIAINEN, L., HAKALA, K.

“…Climate change offers new opportunities for Finnish field crop production, which is currently limited by the short growing season. A warmer climate will extend…”
Get full text

Manganese peroxidases, laccases and oxalic acid from the selective white-rot fungus Physisporinus rivulosus grown on spruce wood chips by Hakala, Terhi K., Lundell, Taina, Galkin, Sari, Maijala, Pekka, Kalkkinen, Nisse, Hatakka, Annele

“…The white-rot fungus Physisporinus rivulosus T241i produced manganese peroxidase (MnP), laccase, and oxalic acid when it was grown on spruce ( Picea abies)…”
Get full text

Drought Effect on Grain Number and Grain Weight at Spike and Spikelet Level in Six-Row Spring Barley by Rajala, A, Hakala, K, Mäkelä, P, Peltonen-Sainio, P

“…Water is the primary regulator of yield formation in cereals. The effect of water limitation and its timing on development of yield components were studied in…”
Get full text