Projects per year
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Dive into the research topics where Kalle Hanhijärvi is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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TOCK: Transportable optical clocks for key comparisons
Lindvall, T., Wallin, A., Hanhijärvi, K. & Fordell, T.
EURAMET e.V. - European Partnership on Metrology
1/05/23 → 30/04/26
Project: EU project
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NaQCI.fi: National Quantum Communication Infrastructure in Finland
Seppänen, K., Ahola, K., Cherchi, M., Fordell, T., Thomas, G., Hanhijärvi, K., Huusko, J., Kalsta, A., Koivisto, J., Koskela, P., Lehtikangas, J., Lehtonen, S., Lindvall, T., Lintulampi, A., Manninen, A., Muurman, M., Nikula, S., Nissilä, J., Ojakangas, K., Ojasalo, K., Ollikainen, V., Pourjamal, S., Puhakainen, P., Rantakokko, M., Ruponen, S. & Wallin, A.
1/01/23 → 30/06/25
Project: EU project
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Quantum QKD Demo
Seppänen, K., Nikula, S., Hanhijärvi, K., Fordell, T., Manninen, A., Pourjamal, S., Wallin, A., Ojasalo, K., Koskela, P., Lintulampi, A. & Ollikainen, V.
3/01/22 → 30/12/22
Project: Research
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Research output
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Detecting consistent patterns in pseudorange residuals in GNSS timing data
Kotilainen, M., Mäkelä, M., Hanhijärvi, K., Olkkonen, M-K., Wallin, A., Fordell, T. & Kaasalainen, S., 8 Jun 2023, 2023 International Conference on Localization and GNSS, ICL-GNSS 2023 - Proceedings. Nurmi, J., Sospedra, J. T., Lohan, E-S., Huerta, J. & Ometov, A. (eds.). IEEE Institute of Electrical and Electronic Engineers, 5 p. 10148921Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
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Noise-induced servo errors in optical clocks utilizing Rabi interrogation
Lindvall, T., Wallin, A. E., Hanhijärvi, K. & Fordell, T., 4 Jul 2023, In: Metrologia. 60, 4, 045008.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile2 Downloads (Pure) -
Out-of-Band Fiber-Optic Time and Frequency Transfer Using Asymmetric and Symmetric Opto-Electronic Repeaters
Fordell, T., Hanhijarvi, K., Wallin, A. E., Myyry, J. & Lindvall, T., 1 Jul 2023, In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 70, 7, p. 792-797 6 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access -
Towards a Robust and Stand-Alone Ultra-Stable Laser System Based on a 124 K Si Resonator with an Instability of $4\times 10^{-17}$
Herbers, S., Yu, J., Anders, L., Kawohl, J., Misera, M., Legero, T., Hanhijärvi, K., Wallin, A., Lindvall, T., Fordell, T. & Sterr, U., 30 Jun 2023, 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Wiley-IEEE Press, 1 p. 10231948Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific
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First electrical White Rabbit absolute calibration inter-comparison
Jansweijer, P., Boukadida, N., Hanhijärvi, K., Wallin, A., Eglin, B. & Laier English, E., 21 Jan 2022, In: arXiv preprint. 11 p., arXiv:2201.08640.Research output: Contribution to journal › Article › Scientific
Open Access