Research Output 1984 2019

27 Citations (Scopus)

Quantized current of a hybrid single-electron transistor with superconducting leads and a normal-metal island

Kemppinen, A., Meschke, M., Möttönen, M., Averin, D. V. & Pekola, J. P., 2009, In : European Physical Journal: Special Topics. 172, 1, p. 311-321

Research output: Contribution to journalArticleScientificpeer-review

Single electron transistors
single electron transistors
Metals
Electric potential
Leakage currents

Radio-frequency transport of single electrons in superconductor-normal-metal tunnel junctions and the quantum metrological triangle

Kemppinen, A., Maisi, V. F., Saira, O-P., Kafanov, S., Lotkhov, S. V., Pashkin, Y. A., Aref, T., Meschke, M., Möttönen, M., Hahtela, O., Hassel, J., Luomahaara, J., Mykkänen, E., Koivula, H., Averin, D. V., Seppä, H., Tsai, J. S., Zorin, A. B., Manninen, A. & Pekola, J. P., 2011, Proceedings: XXXth URSI General Assembly and Scientific Symposium, URSIGASS 2011. Institute of Electrical and Electronic Engineers IEEE, 6050291

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

tunnel junctions
triangles
radio frequencies
insulators
metals
8 Citations (Scopus)
square waves
Josephson junctions
alternating current
Electric potential
electric potential

Receiver-level robustness concepts for EGNSS timing services

Kirkko-Jaakkola, M., Thombre, S., Honkala, S., Söderholm, S., Kaasalainen, S., Kuusniemi, H., Zelle, H., Veerman, H., Wallin, A., Aarmo, K. A. & Boyero, J. P., 2017, 30th International Technical Meeting of the Satellite Division of the Institute of Navigation: ION GNSS 2017. Institute of Navigation ION, Vol. 5. p. 3353-3367 15 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Crystal oscillators
Critical infrastructures
Redundancy
Satellites
Testing

Recent progress on the MIKES 88Sr+ ion clock

Lindvall, T., Fordell, T., Wallin, A. E. & Merimaa, M., 2014, Book of abstracts: ECTI 2014 – 3rd European Conference on Trapped Ions. p. 61-61 PI-13

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access

Recent progress on the MIKES 88Sr+ single-ion optical clock

Lindvall, T., Fordell, T., Wallin, A. E. & Merimaa, M., 2015.

Research output: Contribution to conferenceConference PosterScientific

6 Citations (Scopus)

Reducing current noise in cryogenic experiments by vacuum-insulated cables

Mykkänen, E., Lehtinen, J., Kemppinen, A., Krause, C., Drung, D., Nissilä, J. & Manninen, A., 2016, In : Review of Scientific Instruments. 87, 10, 10511.

Research output: Contribution to journalArticleScientificpeer-review

Superconducting cables
Refrigerators
White noise
Cryogenics
cables
8 Citations (Scopus)

Relationships between junction temperature, electroluminescence spectrum and ageing of light-emitting diodes

Vaskuri, A., Kärhä, P., Baumgartner, H., Kantamaa, O., Pulli, T., Poikonen, T. & Ikonen, E., 15 Mar 2018, In : Metrologia. 55, 2, p. S86-S95

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Electroluminescence
Light emitting diodes
Aging of materials
Temperature
Electric lamps

Results of an International Comparison of Instrument Current Transformers up to 10 kA at 50 Hz Frequency

Draxler, K., Styblíková, R., Hlavacek, J., Rietveld, G., van den Brom, H. E., Schnaitt, M., Waldmann, W., Dimitrov, E., Cincar-Vujovic, T., Paczek, B., Sadkowski, G., Crotti, G., Martin, R., Garnacho, F., Blanc, I., Kämpfer, R., Mester, C., Wheaton, A., Mohns, E., Bergman, A. & 4 others, Hammarquist, M., Çayci, H., Hällström, J. & Suomalainen, E-P., 2018, CPEM 2018 - Conference on Precision Electromagnetic Measurements. Institute of Electrical and Electronic Engineers IEEE, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

transformers
revenue
electric power
metrology
alternating current

Rogowski coil with reduced immunity to conductor location and stray magnetic fields

Hällström, J., Ayhan, B., Suomalainen, E-P. & Valero, A., 2017, Proceedings.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

10 Citations (Scopus)

Sensitivity optimization of epitaxial graphene-based gas sensors

Novikov, S., Satrapinski, A., Lebedeva, N. & Iisakka, I., 2013, In : IEEE Transactions on Instrumentation and Measurement. 62, 6, p. 1859-1864 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Chemical sensors
Graphene
graphene
optimization
sensitivity
172 Citations (Scopus)

Single-electron current sources: Toward a refined definition of the ampere

Pekola, J. P., Saira, O-P., Maisi, V. F., Kemppinen, A., Möttönen, M., Pashkin, Y. A. & Averin, D. V., 2013, In : Reviews of Modern Physics. 85, 4, 1421.

Research output: Contribution to journalArticleScientificpeer-review

electrons
International System of Units
metrology
integers
readout
18 Citations (Scopus)

Single-electronic radio-frequency refrigerator

Kafanov, S., Kemppinen, A., Pashkin, Y. A., Meschke, M., Tsai, J. S. & Pekola, J. P., 2009, In : Physical Review Letters. 103, 4 p., 120801.

Research output: Contribution to journalArticleScientificpeer-review

refrigerators
radio frequencies
single electron transistors
thermometers
electric potential
32 Citations (Scopus)

Single-electron shuttle based on a silicon quantum dot

Chan, K. W., Möttönen, M., Kemppinen, A., Lai, N. S., Tan, K. Y., Lim, W. H. & Dzurak, A. S., 2011, In : Applied Physics Letters. 98, 21, 3 p., 212103.

Research output: Contribution to journalArticleScientificpeer-review

quantum dots
electron gas
silicon
electrons
electric potential
7 Citations (Scopus)

Spectrally adjustable quasi-monochromatic radiance source based on LEDs and its application for measuring spectral responsivity of a luminance meter

Hirvonen, J-M., Poikonen, T., Vaskuri, A., Kärhä, P. & Ikonen, E., 2013, In : Measurement Science and Technology. 24, 11, 8 p., 115201.

Research output: Contribution to journalArticleScientificpeer-review

Responsivity
Luminance
Radiance
luminance
radiance
2 Citations (Scopus)

Spectroscopic thermometry for long-distance surveying

Tomberg, T., Fordell, T., Jokela, J., Merimaa, M. & Hieta, T., 10 Jan 2017, In : Applied Optics. 56, 2, p. 239-246 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Thermometers
Surveying
temperature measurement
thermometers
Temperature measurement
1 Citation (Scopus)

Spin Resonance Clock Transition of the Endohedral Fullerene N 15 @ C60

Harding, R. T., Zhou, S., Zhou, J., Lindvall, T., Myers, W. K., Ardavan, A., Briggs, G. A. D., Porfyrakis, K. & Laird, E. A., 4 Oct 2017, In : Physical Review Letters. 119, 14, 140801.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
spin resonance
clocks
fullerenes
frequency stability
atomic clocks
4 Citations (Scopus)

Stable arbitrary waveform generator as a transfer standard for ADC calibration

Nissila, J., Sira, M., Lee, J., Ozturk, T., Arifovic, M., Diaz De Aguilar, J., Lapuh, R. & Behr, R., 10 Aug 2016, CPEM 2016 - Conference on Precision Electromagnetic Measurements, Conference Digest. Institute of Electrical and Electronic Engineers IEEE, 7540454

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

analog to digital converters
Digital to analog conversion
waveforms
generators
sampling
8 Citations (Scopus)

Stimulated power generation in ES-SIS junction arrays

Hassel, J., Helistö, P., Grönberg, L., Seppä, H., Nissilä, J. & Kemppinen, A., 2005, In : IEEE Transactions on Instrumentation and Measurement. 54, 2, p. 632 - 635 4 p.

Research output: Contribution to journalArticleScientificpeer-review

SIS (superconductors)
Superconducting materials
Power generation
electric potential
Electric potential
9 Citations (Scopus)

Strong attenuation of the transients' effect in square waves synthesized with a programmable Josephson voltage standard

Jeanneret, B., Overney, F., Rufenacht, A. & Nissilä, J., 2010, In : IEEE Transactions on Instrumentation and Measurement. 59, 7, p. 1894-1899 6 p.

Research output: Contribution to journalArticleScientificpeer-review

square waves
attenuation
Electric potential
electric potential
waveforms
4 Citations (Scopus)

Superconducting MoSi nanowires

Lehtinen, J. S., Kemppinen, A., Mykkänen, E., Prunnila, M. & Manninen, A. J., 1 Jan 2018, In : Superconductor Science and Technology. 31, 1, 015002.

Research output: Contribution to journalArticleScientificpeer-review

Nanowires
nanowires
wire
Wire
Rapid thermal annealing
10 Citations (Scopus)

Suppression of the critical current of a balanced superconducting quantum interference device

Kemppinen, A., Manninen, A. J., Möttönen, M., Vartiainen, J. J., Peltonen, J. T. & Pekola, J. P., 2008, In : Applied Physics Letters. 92, 5, 3 p., 052110.

Research output: Contribution to journalArticleScientificpeer-review

critical current
retarding
interference
Josephson junctions
inductance

Tarkka aikasynkronointi ja aikalinkit kriittisessä infrastruktuurissa

Wallin, A. E., 2017.

Research output: Contribution to conferenceOther conference contributionProfessional

Tarkka aikasynkronointi ja aikalinkit maanpuolustuksessa: Tiivistelmäraportti

Merimaa, M. & Wallin, A., 2015, Puolustusministeriö. 14 p. (MATINEn raporttisarja B; No. 2500M-0034, Vol. 2015).

Research output: Book/ReportReport

Open Access
2 Citations (Scopus)

The EMRP project metrology for energy harvesting

Melcher, J., Cain, M., Bounouh, A., Cuenat, A., Jacquot, A., Manninen, A., Heinonen, M., Schumacher, B., Edler, F., Rees, J., Jaegle, M., Zucca, M., Klapetek, P., Lapuh, R. & Funck, T., 2010, 2010 Conference on Precision Electromagnetic Measurements, CPEM 2010. Institute of Electrical and Electronic Engineers IEEE, p. 253-254 2 p. 5545035

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Energy harvesting
research projects
metrology
platforms
International cooperation
4 Citations (Scopus)

The European project DEMETRA: Demonstrating time dissemination services

Tavella, P., Sesia, I., Cerretto, G., Signorile, G., Calonico, D., Costa, R., Clivati, C., Cantoni, E., De Stefano, C., Frittelli, M., Formichella, V., Abadessa, A., Cernigliaro, A., Fiasca, F., Perucca, A., Mantero, S., Widomski, T., Kaczmarek, J., Uzycki, J., Borgulski, K. & 23 others, Olbrysz, P., Kowalski, J., Cerabolini, P., Rotiroti, L., Biserni, E., Zarroli, E., Leone, V., Veiga, M. T., Suárez, T., Diaz, J., Defraigne, P., Ozdemir, N., Blaire, Q., Gandara, M., Hamoniaux, V., Varriale, E., Morante, Q., Dhiri, V., Giulianini, E., Mangiantini, M., Wallin, A. E., Galleani, L. & Hindley, D., 1 Jan 2016, Proceedings of the 47th Annual Precise Time and Time Interval Systems and Applications Meeting. Institute of Navigation ION, p. 174-178 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Traffic control
Finance
Telecommunication
Navigation
Satellites
1 Citation (Scopus)

The European project DEMETRA, timing services based on European GNSS: First experimental results

Tavella, P., Sesia, I., Cerretto, G., Signorile, G., Calonico, D., Costa, R., Clivati, C., Cantoni, E., De Stefano, C., Frittelli, M., Formichella, V., Cernigliaro, A., Fiasca, F., Perucca, A., Mantero, S., Cerabolini, P., Rotiroti, L., Biserni, E., Leone, V., Zarroli, E. & 22 others, Sormani, D., Dhiri, V., Defraigne, P., Ozdemir, N., Baire, Q., Veiga, M. T., Suarez, T., Diaz, J., Gandara, M., Hamoniaux, V., Mangiantini, M., Varriale, E., Morante, Q., Wallin, A. E., Widomski, T., Kaczmarek, J., Uzycki, J., Borgulski, K., Olbrysz, P., Kowalski, J., Galleani, L. & Hindley, D., 21 Sep 2016, 3rd IEEE International Workshop on Metrology for Aerospace, MetroAeroSpace 2016 - Proceedings. Institute of Electrical and Electronic Engineers IEEE, p. 585-590 6 p. 7573281

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

satellite navigation systems
Navigation
time measurement
Satellites
Stamping

The H2020 european project DEMETRA: Experimental time services based on European GNSS signals

Tavella, P., Sesia, I., Cerretto, G., Signorile, G., Calonico, D., Costa, R., Clivati, C., Cantoni, E., De Stefano, C., Frittelli, M., Formichella, V., Biserni, E., Leone, V., Zarroli, E., Sormani, D., Defraigne, P., Baire, Q., Gandara, M., Hamoniaux, V., Varriale, E. & 21 others, Morante, Q., Widomski, T., Kaczmarek, J., Uzycki, J., Borgulski, K., Olbrysz, P., Kowalski, J., Gliwka, K., Cernigliaro, A., Fiasca, F., Perucca, A., Facca, M., Dhiri, V., Veiga, M. T., Suarez, T., Diaz, J., Mangiantini, M., Wallin, A., Galleani, L., Whibberly, P. & Hindley, D., 27 Oct 2017, Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS). Institute of Electrical and Electronic Engineers IEEE, p. 475-476 2 p. 8088930

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

satellite navigation systems
Signal systems
Navigation
Satellites
European Union
2 Citations (Scopus)

Thin film process for Nb/NbOx/(Pb-In-Au) Josephson junction devices

Salmi, J., Knuutila, J., Seppä, H. & Immonen, P., 1985, In : Thin Solid Films. 126, 1-2, p. 77 - 81 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Josephson junction devices
Josephson junctions
Vacuum deposition
Thin films
vacuum deposition
5 Citations (Scopus)

Time dissemination services: The experimental results of the European H2020 DEMETRA project

Tavella, P., Sesia, I., Cerretto, G., Signorile, G., Calonico, D., Costa, R., Clivati, C., Cantoni, E., De Stefano, C., Frittelli, M., Formichella, V., Widomski, T., Kaczmarek, J., Uzycki, J., Borgulski, K., Olbrysz, P., Kowalski, J., Cerabolini, P., Biserni, E., Leone, V. & 21 others, Zarroli, E., Sormani, D., Cernigliaro, A., Fiasca, F., Perucca, A., Mantero, S., Defraigne, P., Ozdemir, N., Baire, Q., Dhiri, V., Veiga, M. T., Suarez, T., Diaz, J., Gandara, M., Hamoniaux, V., Mangiantini, M., Wallin, A. E., Varriale, E., Morante, Q., Galleani, L. & al., E., 16 Aug 2016, 2016 IEEE International Frequency Control Symposium, IFCS 2016 - Proceedings. Institute of Electrical and Electronic Engineers IEEE, 7563585

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Traffic control
Finance
Standardization
Calibration
experimentation

Timekeeping and network time transfer

Wallin, A., 2017.

Research output: Contribution to conferenceConference articleScientific

Towards an Yb+ optical clock with a BBR uncertainty below 10^(-18)

Jones, J., Godun, R., King, S., Nisbet-Jones, P., Baynham, C., Fordell, T., Hieta, T., Lindvall, T., Bongs, K., Baird, P. & Gill, P., 2016.

Research output: Contribution to conferenceConference articleScientific

Towards distributed fault-tolerant timekeeping based on a WR-network

Wallin, A., 2018.

Research output: Contribution to conferenceConference AbstractScientific

Clocks
Multiplexing
Kalman filters
Hardware
4 Citations (Scopus)

Traceability and Characterization of a 1000 kV HVDC Reference Divider

Elg, A-P., Bergman, A., Hällström, J., Kharezy, M. & Nieminen, T., 2015, In : IEEE Transactions on Instrumentation and Measurement. 64, 6, p. 1709-1715

Research output: Contribution to journalArticleScientificpeer-review

dividers
high voltages
Electric potential
Calibration
resistors
4 Citations (Scopus)

Traceable Coulomb blockade thermometry

Hahtela, O., Mykkänen, E., Kemppinen, A., Meschke, M., Prunnila, M., Gunnarsson, D., Roschier, L., Penttilä, J. & Pekola, J., 1 Feb 2017, In : Metrologia. 54, 1, p. 69-76 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Coulomb blockade
Temperature
Digital voltmeters
Thermodynamics
Temperature scales
11 Citations (Scopus)

Trapping atoms on a transparent permanent-magnet atom chip

Shevchenko, A., Heiliö, M., Lindvall, T., Jaakkola, A., Tittonen, I., Kaivola, M. & Pfau, T., 15 May 2006, In : Physical Review A - Atomic, Molecular, and Optical Physics. 73, 5, 051401.

Research output: Contribution to journalArticleScientificpeer-review

permanent magnets
trapping
chips
traps
atoms
4 Citations (Scopus)

Uncertainty analysis of photometer directional response index f2 using Monte Carlo simulation

Poikonen, T., Blattner, P., Kärhä, P. & Ikonen, E., 2012, In : Metrologia. 49, 6, p. 727-736 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Photometers
Uncertainty analysis
Distance measurement
Monte Carlo simulation
Light sources
5 Citations (Scopus)

Unpolarized, incoherent repumping light for prevention of dark states in a trapped and laser-cooled single ion

Lindvall, T., Fordell, T., Tittonen, I. & Merimaa, M., 2013, In : Physical Review A: Atomic, Molecular, and Optical Physics. 87, 1, 013439.

Research output: Contribution to journalArticleScientificpeer-review

spontaneous emission
lasers
ions
polarization modulation
laser modes

Using Deconvolution for Correction of Non-Ideal Step Response of Lightning Impulse Digitizers and Measurement Systems

Havunen, J., Hällström, J., Bergman, A. & Bergman, A. E., 2017, Proceedings.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Uusi SI-järjestelmä toteuttaa Maxwellin unelman

Manninen, A., 2012, In : Arkhimedes. 2, p. 10-20 11 p.

Research output: Contribution to journalArticleProfessional

10 Citations (Scopus)

Validating the single charged aerosol reference (SCAR) as a traceable particle number concentration standard for 10 nm to 500 nm aerosol particles

Högström, R., Yli-Ojanperä, J., Rostedt, A., Iisakka, I., Mäkelä, J. M., Heinonen, M. & Keskinen, J., 2011, In : Metrologia. 48, 5, p. 426-436 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Particles (particulate matter)
Aerosols
Calibration
Radiation counters
Charged particles

Validation of the fisheye camera method for spatial non-uniformity corrections in luminous flux measurements with integrating spheres

Kokka, A., Pulli, T., Ferrero, A., Dekker, P., Thorseth, A., Kliment, P., Klej, A., Gerloff, T., Ludwig, K., Poikonen, T. & Ikonen, E., 18 Jun 2019, In : Metrologia. 56, 4, 045002.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Cameras
Fluxes
Electric lamps
Light emitting diodes
33 Citations (Scopus)

White rabbit precision time protocol on long-distance fiber links

Dierikx, E. F., Wallin, A. E., Fordell, T., Myyry, J., Koponen, P., Merimaa, M., Pinkert, T. J., Koelemeij, J. C. J., Peek, H. Z. & Smets, R., 1 Jul 2016, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 63, 7, p. 945-952 8 p., 7383303.

Research output: Contribution to journalArticleScientificpeer-review

rabbits
Network protocols
fibers
Fibers
Optical fibers
4 Citations (Scopus)

Worldwide comparison of lightning impulse voltage measuring systems at the 400-kV level

Hällstrom, J., Aro, M., Bergman, A., Bovier-Lapierre, V., Garnacho, F., Juvik, J. I., Kiseliev, V., Lian Hong, Z., Lucas, W., Li, Y., Pykälä, M. L., Rungis, J., Schon, K. & Truong, V. H., 2007, In : IEEE Transactions on Instrumentation and Measurement. 56, 2, p. 388-391

Research output: Contribution to journalArticleScientificpeer-review

lightning
Lightning
impulses
Electric potential
electric potential