Riku Isoaho
Riku Isoaho
Optoelectonics Research Centre
Vahvistettu sähköpostiosoite verkkotunnuksessa tuni.fi
High‐efficiency GaInP/GaAs/GaInNAs solar cells grown by combined MBE‐MOCVD technique
A Tukiainen, A Aho, G Gori, V Polojärvi, M Casale, E Greco, R Isoaho, ...
Progress in Photovoltaics: Research and Applications 24 (7), 914-919, 2016
Monolithic GaInNAsSb/GaAs VECSEL operating at 1550 nm
VM Korpijärvi, EL Kantola, T Leinonen, R Isoaho, M Guina
IEEE Journal of Selected Topics in Quantum Electronics 21 (6), 480-484, 2015
Lattice‐matched four‐junction tandem solar cell including two dilute nitride bottom junctions
A Aho, R Isoaho, L Hytönen, T Aho, M Raappana, V Polojärvi, ...
Progress in Photovoltaics: Research and Applications 27 (4), 299-305, 2019
Temperature coefficients for GaInP/GaAs/GaInNAsSb solar cells
A Aho, R Isoaho, A Tukiainen, V Polojärvi, T Aho, M Raappana, M Guina
AIP Conference Proceedings 1679 (1), 050001, 2015
Determination of composition and energy gaps of GaInNAsSb layers grown by MBE
A Aho, VM Korpijärvi, R Isoaho, P Malinen, A Tukiainen, M Honkanen, ...
Journal of Crystal Growth 438, 49-54, 2016
31% European InGaP/GaAs/InGaNAs solar cells for space application
R Campesato, A Tukiainen, A Aho, G Gori, R Isoaho, E Greco, M Guina
Proceedings of the 11th European Space Power Conference 2016, 2017
Photovoltaic properties of low-bandgap (0.7–0.9 eV) lattice-matched GaInNAsSb solar junctions grown by molecular beam epitaxy on GaAs
R Isoaho, A Aho, A Tukiainen, T Aho, M Raappana, T Salminen, J Reuna, ...
Solar Energy Materials and Solar Cells 195, 198-203, 2019
Dilute nitride triple junction solar cells for space applications: Progress towards highest AM0 efficiency
A Aho, R Isoaho, A Tukiainen, G Gori, R Campesato, M Guina
Progress in Photovoltaics: Research and Applications 26 (9), 740-744, 2018
Microdisk lasers based on GaInNAs (Sb)/GaAs (N) quantum wells
NV Kryzhanovskaya, EI Moiseev, YS Polubavkina, FI Zubov, MV Maximov, ...
Journal of Applied Physics 120 (23), 233103, 2016
Investigation of the effect of surface passivation on microdisk lasers based on InGaAsN/GaAs quantum well active region
EI Moiseev, NV Kryzhanovskaya, MV Maximov, AM Mozharov, ...
Journal of Physics: Conference Series 917 (5), 052002, 2017
Performace of dilute nitride triple junction space solar cell grown by MBE
A Aho, R Isoaho, A Tukiainen, V Polojärvi, M Raappana, T Aho, M Guina
11th European Space Power Conference, 3-7 October 2016 Thessaloniki, Greece, 2017
Wide spectral coverage (0.7–2.2 eV) lattice‐matched multijunction solar cells based on AlGaInP, AlGaAs and GaInNAsSb materials
A Aho, R Isoaho, M Raappana, T Aho, E Anttola, J Lyytikäinen, ...
Progress in Photovoltaics: Research and Applications, 2021
High power GaInNAs superluminescent diodes emitting over 400 mW in the 1.2 μm wavelength range
AT Aho, J Viheriälä, H Virtanen, N Zia, R Isoaho, M Guina
Applied Physics Letters 115 (8), 081104, 2019
Data transmission at 1300 nm using optical interposer comprising hybrid integrated silicon waveguide and dilute nitride electroabsorption modulator
RN Sheehan, M Guina, J Viheriälä, R Isoaho, M Harjanne, F Azarello, ...
Optics Express 26 (26), 34336-34345, 2018
Room temperature lasing in injection microdisks with InGaAsN/GaAs quantum well active region
EI Moiseev, MV Maximov, AM Nadtochiy, NV Kryzhanovskaya, ...
Journal of Physics: Conference Series 1124 (8), 081048, 2018
Influence of ex-situ annealing on the properties of MgF2 thin films deposited by electron beam evaporation
J Reuna, V Polojärvi, P Pääkkönen, K Lahtonen, M Raappana, T Aho, ...
Optical Materials 96, 109326, 2019
Quantum-well Laser Emitting at 1.2 μm-1.3 μm Window Monolithically Integrated on Ge Substrate
M Guina, R Isoaho, J Viheriälä, A Aho, A Aho, A Tukiainen
2017 European Conference on Optical Communication (ECOC), 1-3, 2017
Use of nanostructured alumina thin films in multilayer anti-reflective coatings
J Reuna, A Aho, R Isoaho, M Raappana, T Aho, E Anttola, A Hietalahti, ...
Nanotechnology 32 (21), 215602, 2021
Thin-film InAs/GaAs quantum dot solar cell with planar and pyramidal back reflectors
T Aho, F Elsehrawy, A Tukiainen, S Ranta, M Raappana, R Isoaho, A Aho, ...
Applied Optics 59 (21), 6304-6308, 2020
Performance of Solar Cell Grids based on Ag, Au, and Al for Cost-Effective Manufacturing
M Raappana, A Aho, T Aho, R Isoaho, E Anttola, N Kajas, V Polojärvi, ...
2019 European Space Power Conference (ESPC), 1-3, 2019
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Artikkelit 1–20