Timo Aalto

D.Sc. (Tech.)

  • Phone+358408485037
19992020

Research output per year

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Research Output

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2020

Precise length definition of active GaAs-based optoelectronic devices for low-loss silicon photonics integration

Tuorila, H., Viheriälä, J., Zia, N., Cherchi, M., Harjanne, M., Isoaho, R., Aalto, T. & Guina, M., 15 Feb 2020, In : Optics Letters. 45, 4, p. 943-946 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2019
Open Access
5 Citations (Scopus)

Open-Access Silicon Photonics Platforms in Europe

Rahim, A., Goyvaerts, J., Szelag, B., Fedeli, J. M., Absil, P., Aalto, T., Harjanne, M., Littlejohns, C. G., Reed, G. T., Winzer, G., Lischke, S., Lars, Z., Knoll, D., Geuzebroek, D., Leinse, A., Geiselmann, M., Zervas, M., Jans, H., Stassen, A., Dominguez, C. & 5 others, Munoz, P., Domenech, D., Giesecke, A. L., Lemme, M. C. & Baets, R., 1 Sep 2019, In : IEEE Journal on Selected Topics in Quantum Electronics. 25, 5, 8712400.

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)
2018

Data transmission at 1300 nm using optical interposer comprising hybrid integrated silicon waveguide and dilute nitride electroabsorption modulator

Sheehan, R. N., Guina, M., Viheriälä, J., Isoaho, R., Harjanne, M., Azarello, F., Yang, M., Malacarne, A., Aalto, T. & Peters, F. H., 24 Dec 2018, In : Optics Express. 26, 26, p. 34336-34345 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
3 Citations (Scopus)

Low loss GaInNAs/GaAs gain waveguides with U-bend geometry for single-facet coupling in hybrid photonic integration

Tuorila, H., Viheriälä, J., Cherchi, M., Aho, A. T., Aalto, T. & Guina, M., 23 Jul 2018, In : Applied Physics Letters. 113, 4, 041104.

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Multicast-enabling Optical Switch design employing Si Buffering and Routing Elements

Moralis-Pegios, M., Terzenidis, N., Mourgias-Alexandris, G., Cherchi, M., Harjanne, M., Aalto, T., Miliou, A., Vyrsokinos, K. & Pleros, N., 15 Apr 2018, In : IEEE Photonics Technology Letters. 30, 8, p. 712-715 4 p.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

On-chip SOI Delay Line Bank for Optical Buffers and Time Slot Interchangers

Moralis-Pegios, M., Mourgias-Alexandris, G., Terzenidis, N., Cherchi, M., Harjanne, M., Aalto, T., Miliou, A., Pleros, N. & Vyrsokinos, K., 2018, In : IEEE Photonics Technology Letters. 30, 1, p. 31-34

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Optical Transmitter Based on a 1.3-μm VCSEL and a SiGe Driver Circuit for Short-Reach Applications and beyond

Malacarne, A., Neumeyr, C., Soenen, W., Falconi, F., Porzi, C., Aalto, T., Rosskopf, J., Bauwelinck, J. & Bogoni, A., 1 May 2018, In : Journal of Lightwave Technology. 36, 9, p. 1527-1536 10 p.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)
2017

Self-assembled three-dimensional inverted photonic crystals on a photonic chip

Arpiainen, S., Vynck, K., Dekker, J., Kapulainen, M., Khunsin, W., Aalto, T., Mulot, M., Kocher-Oberlehrer, G., Zentel, R., Torres, C. M. S., Cassagne, D. & Ahopelto, J., 1 Sep 2017, In : Physica Status Solidi A: Applications and Materials Science. 214, 9, 1700039.

Research output: Contribution to journalArticleScientificpeer-review

2015

Low-error and broadband microwave frequency measurement in a silicon chip

Pagani, M., Morrison, B., Zhang, Y., Casas-Bedoya, A., Aalto, T., Harjanne, M., Kapulainen, M., Eggleton, B. J. & Marpaung, D., 2015, In : Optica. 2, 8, p. 751-756

Research output: Contribution to journalArticleScientificpeer-review

Open Access
48 Citations (Scopus)

MMI resonators based on metal mirrors and MMI mirrors: An experimental comparison

Cherchi, M., Ylinen, S., Harjanne, M., Kapulainen, M. & Aalto, T., 9 Mar 2015, In : Optics Express. 23, 5, p. 5982-5993

Research output: Contribution to journalArticleScientificpeer-review

Open Access
6 Citations (Scopus)
2014

Dual SOA-MZI wavelength converters based on III-V hybrid integration on a μm-scale si platform

Fitsios, D., Alexoudi, T., Kanellos, G. T., Vyrsokinos, K., Pleros, N., Tekin, T., Cherchi, M., Ylinen, S., Harjanne, M., Kapulainen, M. & Aalto, T., 15 Mar 2014, In : IEEE Photonics Technology Letters. 26, 6, p. 560-563 4 p.

Research output: Contribution to journalArticleScientificpeer-review

34 Citations (Scopus)

Unconstrained splitting ratios in compact double-MMI couplers

Cherchi, M., Ylinen, S., Harjanne, M., Kapulainen, M., Vehmas, T. & Aalto, T., 21 Apr 2014, In : Optics Express. 22, 8, p. 9245-9253

Research output: Contribution to journalArticleScientificpeer-review

Open Access
24 Citations (Scopus)
2013

Dramatic size reduction of waveguide bends on a micron-scale silicon photonic platform

Cherchi, M., Ylinen, S., Harjanne, M., Kapulainen, M. & Aalto, T., 29 Jul 2013, In : Optics Express. 21, 15, p. 17814-17823

Research output: Contribution to journalArticleScientificpeer-review

Open Access
108 Citations (Scopus)

Investigation of thin polymer layers for biosensor applications

Saftics, A., Agócs, E., Fodor, B., Patko, D., Petrik, P., Kolari, K., Aalto, T., Fürjes, P., Horvath, R. & Kurunczi, S., 2013, In : Applied Surface Science. 281, p. 66-72 7 p.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
2010

Smoothing of microfabricated silicon features by thermal annealing in reducing or inert atmospheres

Kolari, K., Vehmas, T., Svensk, O., Törmä, P. & Aalto, T., 2010, In : Physica Scripta. 2010, T141, 014017.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)
2007

Design and fabrication of arrayed waveguide grating multiplexers on silicon-on-insulator platforms

Przyrembel, G., Kuhlow, B., Solehmainen, K., Aalto, T. & Heimala, P., 2007, In : Optical Engineering. 46, 9, 7 p., 094602.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Kuitu kurkottaa taivaaseen

Aalto, T. & Hakala, T., 2007, In : Euroopan tiede ja teknologia. 2007, 2, 2 p.

Research output: Contribution to journalArticleProfessional

2006

Adiabatic and multimode interference couplers on silicon-on-insulator

Solehmainen, K., Kapulainen, M., Harjanne, M. & Aalto, T., 2006, In : IEEE Photonics Technology Letters. 18, 21, p. 2287-2289

Research output: Contribution to journalArticleScientificpeer-review

76 Citations (Scopus)

Development of multi-step processing in silicon-on-insulator for optical waveguide applications

Solehmainen, K., Aalto, T., Dekker, J., Kapulainen, M., Harjanne, M. & Heimala, P., 2006, In : Journal of Optics A: Pure and Applied Optics. 8, 7, p. S455-S460 16 p.

Research output: Contribution to journalArticleScientificpeer-review

40 Citations (Scopus)

Low-Loss Converters between Optical Silicon Waveguides of Different Sizes and Types

Aalto, T., Solehmainen, K., Harjanne, M., Kapulainen, M. & Heimala, P., 2006, In : IEEE Photonics Technology Letters. 18, 5, p. 709-711

Research output: Contribution to journalArticleScientificpeer-review

46 Citations (Scopus)
2005

Dry-etched silicon-on-insulator waveguides with low propagation and fiber-coupling losses

Solehmainen, K., Aalto, T., Dekker, J., Kapulainen, M., Harjanne, M., Kukli, K., Heimala, P., Kolari, K. & Leskelä, M., 2005, In : Journal of Lightwave Technology. 23, 11, p. 3875-3880

Research output: Contribution to journalArticleScientificpeer-review

31 Citations (Scopus)
2004

Design of tight bends in silicon-on-insulator ridge waveguides

Harjanne, M. & Aalto, T., 2004, In : Physica Scripta: Topical Issues. T114, p. 209-212

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Sub-µs switching time in silicon-on-insulator Mach-Zehnder thermooptic switch

Harjanne, M., Kapulainen, M., Aalto, T. & Heimala, P., 2004, In : IEEE Photonics Technology Letters. 16, 9, p. 2039-2041

Research output: Contribution to journalArticleScientificpeer-review

104 Citations (Scopus)

Valo taittuu piisirulle

Aalto, T. & Rinnemaa, T., 2004, In : Tekniikka ja talous. 2004, 40, 1 p.

Research output: Contribution to journalArticleProfessional

2003

Method for the rotational alignment of polarization-maintaining optical fibers and waveguides

Aalto, T., Harjanne, M. & Kapulainen, M., 2003, In : Optical Engineering. 42, 10, p. 2861-2867

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)
2002

Fabrication of Bragg grating structures in silicon

Heimala, P., Aalto, T., Yliniemi, S., Simonen, J., Kuittinen, M., Turunen, J. & Leppihalme, M., 2002, In : Physica Scripta: Topical Issues. T101, p. 92-95

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)
2001

Efficient Bragg waveguide-grating analysis by quasirigorous approach based on Redheffer's star product

Tervo, J., Kuittinen, M., Vahimaa, P., Turunen, J., Aalto, T., Heimala, P. & Leppihalme, M., 2001, In : Optics Communications. 198, 4-6, p. 265-272

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)
1999

Integrated optical switch based on SOI-technology

Aalto, T., Heimala, P. & Katila, P., 1999, In : Physica Scripta: Topical Issues. T79, p. 123-126

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Optinen tiedonsiirto laajenee kiekoille: Valoa kanaviin

Aalto, T., Heimala, P., Leppihalme, M. & Katila, P., Nov 1999, In : Prosessori. 1999, 11, p. 65-68

Research output: Contribution to journalArticleProfessional

Valoa kanaviin (Optinen tiedonsiito laajenee kiekoille)

Translated title of the contribution: Optical waveguide componentsAalto, T., Heimala, P., Katila, P. & Leppihalme, M., 1999, In : Prosessori. 4.

Research output: Contribution to journalArticleProfessional