Tapio Niemi
Tapio Niemi
Associate professor
Verified email at tuni.fi - Homepage
Cited by
Cited by
Comprehensive FDTD modelling of photonic crystal waveguide components
A Lavrinenko, PI Borel, LH Frandsen, M Thorhauge, A Harpøth, ...
Optics Express 12 (2), 234-248, 2004
Limitations of phase-shift method in measuring dense group delay ripple of fiber Bragg gratings
T Niemi, M Uusimaa, H Ludvigsen
IEEE Photonics Technology Letters 13 (12), 1334-1336, 2001
Wavelength-division demultiplexing using photonic crystal waveguides
T Niemi, LH Frandsen, KK Hede, A Harpoth, PI Borel, M Kristensen
IEEE Photonics Technology Letters 18 (1), 226-228, 2005
Aluminum doped zinc oxide films grown by atomic layer deposition for organic photovoltaic devices
H Saarenpää, T Niemi, A Tukiainen, H Lemmetyinen, N Tkachenko
Solar Energy Materials and Solar Cells 94 (8), 1379-1383, 2010
Nanostructured broadband antireflection coatings on AlInP fabricated by nanoimprint lithography
J Tommila, V Polojärvi, A Aho, A Tukiainen, J Viheriälä, J Salmi, ...
Solar Energy Materials and Solar Cells 94 (10), 1845-1848, 2010
Applications of UV-nanoimprint soft stamps in fabrication of single-frequency diode lasers
J Viheriälä, J Tommila, T Leinonen, M Dumitrescu, L Toikkanen, T Niemi, ...
Microelectronic Engineering 86 (3), 321-324, 2009
Polarization-mode dispersion of large mode-area photonic crystal fibers
T Ritari, T Niemi, H Ludvigsen, M Wegmuller, N Gisin, JR Folkenberg, ...
Optics communications 226 (1-6), 233-239, 2003
Perfect magnetic mirror and simple perfect absorber in the visible spectrum
CA Valagiannopoulos, A Tukiainen, T Aho, T Niemi, M Guina, ...
Physical Review B 91 (11), 115305, 2015
Moth‐eye antireflection coating fabricated by nanoimprint lithography on 1 eV dilute nitride solar cell
J Tommila, A Aho, A Tukiainen, V Polojärvi, J Salmi, T Niemi, M Guina
Progress in Photovoltaics: Research and Applications 21 (5), 1158-1162, 2013
Tunable silicon etalon for simultaneous spectral filtering and wavelength monitoring of a DWDM transmitter
T Niemi, M Uusimaa, S Tammela, P Heimala, T Kajava, M Kaivola, ...
IEEE Photonics Technology Letters 13 (1), 58-60, 2001
Ultra-large core birefringent Yb-doped tapered double clad fiber for high power amplifiers
A Fedotov, T Noronen, R Gumenyuk, V Ustimchik, Y Chamorovskii, ...
Optics express 26 (6), 6581-6592, 2018
Soft stamp ultraviolet-nanoimprint lithography for fabrication of laser diodes
J Viheriala, MR Viljanen, J Kontio, T Leinonen, J Tommila, ...
Journal of Micro/Nanolithography, MEMS, and MOEMS 8 (3), 033004, 2009
Nanoimprint lithography—Next generation nanopatterning methods for nanophotonics fabrication
J Viheriälä, T Niemi, J Kontio, M Pessa
Recent Optical and Photonic Technologies, 275-298, 2010
Fabrication of surface reliefs on facets of singlemode optical fibres using nanoimprint lithography
J Viheriala, T Niemi, J Kontio, T Rytkonen, M Pessa
Electronics letters 43 (3), 150-151, 2007
Inhomogeneities in the nonlinear tensorial responses of arrays of gold nanodots
BK Canfield, H Husu, J Kontio, J Viheriälä, T Rytkönen, T Niemi, ...
New Journal of Physics 10 (1), 013001, 2008
Focusing effect of a graded index photonic crystal lens
C Tan, T Niemi, C Peng, M Pessa
Optics Communications 284 (12), 3140-3143, 2011
Ontologies and summarizability in OLAP
T Niemi, M Niinimäki
Proceedings of the 2010 ACM Symposium on Applied Computing, 1349-1353, 2010
New method to improve the accuracy of group delay measurements using the phase-shift technique
G Genty, T Niemi, H Ludvigsen
Optics communications 204 (1-6), 119-126, 2002
Broadband infrared mirror using guided-mode resonance in a subwavelength germanium grating
JM Kontio, J Simonen, K Leinonen, M Kuittinen, T Niemi
Optics letters 35 (15), 2564-2566, 2010
Nanoperforated silicon membranes fabricated by UV-nanoimprint lithography, deep reactive ion etching and atomic layer deposition
L Sainiemi, J Viheriälä, T Sikanen, J Laukkanen, T Niemi
Journal of Micromechanics and Microengineering 20 (7), 077001, 2010
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