Projects per year
Personal profile
Research interests
Silicon photonics, integrated optics, photonic integrated circuits, optoelectronics, optical communication, optical phased arrays, LIDAR, optical beam steering, optical coherence tomography, optical gas sensing
Expertise area
Silicon photonics, integrated optics, photonic integrated circuits, optoelectronics, optical communication, optical phased arrays, LIDAR, optical beam steering, optical coherence tomography, optical gas sensing, project management, sales
Short bio
Dr. Timo Aalto has worked at VTT since 1997 with the primary research focus on silicon photonics. This makes him one of the pioneers in the field. He received his M.Sc. and D.Sc. degrees in optoelectronics technology from the Helsinki University of Technology in 1998 and 2004, respectively. He leads the Silicon photonics team that is the key user of VTT's clean room facility in Espoo (Micronova). He has >80 peer-reviewed journal and conference publications. He has reviewed EU projects, journal articles and theses, and written one book chapter. He has coordinated several large projects funded by EU, the European space agency, national funding organizations and industry.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Natural sciences, Doctorate, Microphotonic silicon waveguide components, Helsinki University of Technology
29 Sept 1998 → 30 Dec 2004
Award Date: 30 Dec 2004
Skills and expertise
- silicon photonics
- integrated optics
- optical communication
- optical sensing
- project management
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Network
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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DYNAMOS: DYNAmic and Reconfigurable data centre networks with Modular Optical Subsystems
Aalto, T., Bryant, K., Harjanne, M., Paul, S., Marin Vasquez, Y., Bera, A., Lee, J. & Sun, F.
1/08/22 → 31/07/26
Project: EU project
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ECO-Fusion: Finnish Ecosystem for Industrial Fusion Technology
Hakola, A., Brace, W., Suhonen, T., Laukkanen, A., Lappalainen, P., Salmi, A., Tala, T., Airila, M., Huuhanmäki, J., Soppela, O., Alanen, J., Ryynänen, T., Aalto, T., Pinomaa, T., Kirjasuo, A., Shahwar, D., Hokkanen, A., Järvinen, A., Kapulainen, M., Sun, F., Wälchli, B., Avikainen, T., Kotilainen, M., Aho, J., Apilo, T., Bryant, K., Dif, B., Freimanis, A., Hakkarainen, M., Hakkarainen, T., Harviainen, T., Heikinheimo, J., Helminen, A., Hietala, J., Immonen, E., Jokinen, T., Kaarmila, P., Kanervo, K., Katajamäki, K., Korhonen, T., Koskinen, J., Kurki, S., Lavonen, T., Leppänen, J., Leskinen, A., Liinasuo, M., Likonen, J., Lyytinen, J., Malm, T., Martikainen, H., Martins, J., Norrman, S., Peng, C. Y., Pohja, R., Rainio, K., Raunio, K., Rökman, J., Saarela, O., Saarinen, H., Saifi, Q., Salonen, T., Sarsama, J., Selin, K., Siren, M., Siuko, M., Truong, V. D., Tyrväinen, T., Viitanen, A., Välisalo, T., Wallin, A., Ylisaukko-oja, A. & Szogradi, M.
1/01/21 → 31/12/23
Project: Business Finland project
Research output
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An unconventional ultra-low loss silicon photonics platform for quantum technologies
Cherchi, M., Bera, A., Kemppinen, A., Nissilä, J., Tappura, K., Caputo, M., Lehtimäki, L., Lehtinen, J., Govenius, J., Prunnila, M. & Aalto, T., 2022, Quantum 2.0 Conference and Exhibition: QUANTUM 2022. Optical Society of America OSA, QW4A.5. (Optics InfoBase Conference Papers).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
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A Panda fiber temperature sensor up to 900°C
Hokkanen, A., Salmi, A., Vashistha, V., Nyman, M., Nielsen, S. K., Jensen, T., Jessen, M., Wälchli, B., Kapulainen, M., Naulin, V., Tala, T. & Aalto, T., 1 Jul 2022, In: Journal of Instrumentation. 17, 7, 11 p., P07031.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access -
Development of optical phased arrays in a micron-scale silicon photonics platform
Muntaha, S. T., Hokkanen, A., Harjanne, M., Cherchi, M., Suopajärvi, P., Karvinen, P., Pekkarinen, M., Roussey, M. & Aalto, T., 5 Mar 2022, Integrated Optics: Devices, Materials, and Technologies XXVI. Garcia-Blanco, S. M. & Cheben, P. (eds.). International Society for Optics and Photonics SPIE, 7 p. 120040W. (Proceedings of SPIE - The International Society for Optical Engineering, Vol. 12004).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
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Heterogeneous integration of VCSELs on 3 μm SOI silicon photonics platform with up-reflecting mirrors
Delrosso, G., Lee, J-W., Wälchli, B., Bhat, S., Neumeyr, C. & Aalto, T., 5 Mar 2022, Optical Interconnects XXII. Chen, R. T. & Schroder, H. (eds.). International Society for Optics and Photonics SPIE, 9 p. 120070J. (Proceedings of SPIE - The International Society for Optical Engineering, Vol. 12007).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
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Supporting quantum technologies with a micron-scale silicon photonics platform
Cherchi, M., Bera, A., Kemppinen, A., Nissilä, J., Tappura, K., Caputo, M., Lehtimäki, L., Lehtinen, J., Govenius, J., Prunnila, M. & Aalto, T., 2022, Integrated Optics: Devices, Materials, and Technologies XXVI. Garcia-Blanco, S. M. & Cheben, P. (eds.). International Society for Optics and Photonics SPIE, 17 p. 120040A. (Proceedings of SPIE - The International Society for Optical Engineering, Vol. 12004).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review