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• Method for controlling an optoelectronic component

  Aalto, T., Kapulainen, M., Harjanne, M. & Roenoe, M., 1 Jun 2005, IPC No. G02F 1/ 01 A N, Patent No. EP1535107, Priority date 4 Sep 2003, Priority No. WO2003FI00649

  Research output: Patent › Patent

• Flat-top interleavers: A novel approach based on MMI splitters

  Cherchi, M., Ylinen, S., Kapulainen, M., Harjanne, M., Vehmas, T. & Aalto, T., 2015, 2015 European Conference on Lasers and Electro-Optics : European Quantum Electronics Conference. Optical Society of America OSA, CI_P_7

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Total internal reflection mirrors with ultra-low losses in 3 µm thick SOI waveguides

  Aalto, T., Harjanne, M., Ylinen, S., Kapulainen, M., Vehmas, T. & Cherchi, M., 27 Feb 2015, Silicon Photonics X. Reed, G. T. & Watts, M. R. (eds.). International Society for Optics and Photonics SPIE, 93670B. (Proceedings of SPIE, Vol. 9367).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  11 Citations (Scopus)

• Integrated multi-wavelength Mid-IR light source for gas sensing

  Karioja, P., Alajoki, T., Cherchi, M., Ollila, J., Harjanne, M., Heinilehto, N., Suomalainen, S., Zia, N., Tuorila, H., Viheriälä, J., Guina, M., Buczynski, R., Kasztelanic, R., Salo, T., Virtanen, S., Kluczynski, P., Borgen, L., Ratajczyk, M. & Kalinowski, P., 2018, Next-Generation Spectroscopic Technologies XI. Druy, M. A., Barnett, S. M., Profeta, L. T. M., Crocombe, R. A. & Azad, A. K. (eds.). International Society for Optics and Photonics SPIE, 9 p. 106570A. (Proceedings of SPIE, Vol. 10657).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  File
  4 Citations (Scopus)

  184 Downloads (Pure)

• Monolithic integration of up to 40 GHz Ge photodetectors in 3μm SOI

  Vehmas, T., Kapulainen, M., Heimala, P., Delrosso, G., Sun, F., Gao, F. & Aalto, T., 2020, Silicon Photonics XV. Reed, G. T. & Knights, A. P. (eds.). International Society for Optics and Photonics SPIE, 112850V. (Proceedings of SPIE, Vol. 11285).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)

• Optoelectronics integration on a silicon waveguide platform

  Aalto, T., Harjanne, M., Kapulainen, M., Ylinen, S., Ollila, J., Vilokkinen, V. & Mörl, L., 2010, Optics Days 2010. Tampere: Tampere University of Technology, p. 61

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Amorphous silicon optical waveguides and Bragg mirrors

  Khanna, A., Mulot, M., Arpiainen, S., Säynätjoki, A., Ahopelto, J., Honkanen, S. & Lipsanen, H., 2008, Silicon Photonics and Photonic Integrated Circuits. International Society for Optics and Photonics SPIE, 699605. (Proceedings of SPIE, Vol. 6996).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  11 Citations (Scopus)

• Low Loss Devices fabricated on the Open Access 3 µm SOI Waveguide Platform at VTT

  Bhat, S., Harjanne, M., Sun, F., Cherchi, M., Kapulainen, M., Hokkanen, A., Delrosso, G. & Aalto, T., Apr 2019, 2019 Proceedings: European Conference on Integrated Photonics. Jakajima B.V., 3 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

• Bend-size reduction on the SOI rib waveguide platform

  Aalto, T., Cherchi, M., Harjanne, M., Ylinen, S. & Kapulainen, M., 2013, Silicon Photonics VIII. International Society for Optics and Photonics SPIE, 86290D. (Proceedings of SPIE, Vol. 8629).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)

• Cellulose optical fiber

  Hokkanen, A., Kapulainen, M., Jaiswal, A. K., Hynninen, V., Ikkala, O. & Orelma, H., 1 Dec 2021. 1 p.

  Research output: Contribution to conference › Conference Poster › Scientific

• Cellulose optical fiber

  Hokkanen, A., Kapulainen, M., Jaiswal, A. K., Hynninen, V., Nonappa, N., Ikkala, O. & Orelma, H., 1 Dec 2021. 1 p.

  Research output: Contribution to conference › Conference Abstract › Scientific

• Room-Temperature Silicon Platform for GHz-Frequency Nanoelectro-Opto-Mechanical Systems

  Navarro-Urrios, D., Colombano, M. F., Arregui, G., Madiot, G., Pitanti, A., Griol, A., Makkonen, T., Ahopelto, J., Sotomayor-Torres, C. M. & Martínez, A., 16 Feb 2022, In: ACS Photonics. 9, 2, p. 413-419 7 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Polymer interposer for efficient light coupling into 3 μm silicon-on-insulator waveguides

  Hiltunen, M., Harjanne, M. T., Vehmas, T., Wälchli, B., Heimala, P. & Aalto, T., 1 Jan 2020, Optical Interconnects XX. Schröder, H. & Chen, R. T. (eds.). International Society for Optics and Photonics SPIE, 112860I. (Proceedings of SPIE, Vol. 11286).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Ultrawide-band Low Polarization Sensitivity 3-μm SOI Arrayed Waveguide Gratings

  Wang, Y., Bhat, S., Tessema, N. M., Kraemer, R., Napoli, A., Delrosso, G. & Calabretta, N., 19 Apr 2022, In: Journal of Lightwave Technology.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Programmable modular photonic integrated switches for beyond 5G metro optical networks

  Calabretta, N., Tessema, N., Prifti, K., Rasoulzadehzali, A., Wang, Y., Bhat, S., Delrosso, G., Aalto, T. & Stabile, R., 2021, Smart Photonic and Optoelectronic Integrated Circuits XXIII. He, S. & Vivien, L. (eds.). International Society for Optics and Photonics SPIE, 116900O. (Proceedings of SPIE - The International Society for Optical Engineering, Vol. 11690).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Polymer and composite polymer slot waveguides

  Hiltunen, M., Fegadolli, W. S., Lira, H. L. R., Vahimaa, P., Hiltunen, J., Aikio, S., Almeida, V. R. & Karioja, P., 2014, Silicon Photonics and Photonic Integrated Circuits IV. Vivien, L., Honkanen, S., Pavesi, L., Pelli, S. & Shin, J. H. (eds.). International Society for Optics and Photonics SPIE, 8 p. 91331G. (Proceedings of SPIE, Vol. 9133).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Hybrid integration of InP photodetectors with SOI waveguides using thermocompression bonding

  Harjanne, M., Kapulainen, M., Ylinen, S., Aalto, T., Ollila, J., Mörl, L. & Passenberg, W., 2010, Silicon Photonics and Photonic Integrated Circuits II. Righini, G. C. (ed.). International Society for Optics and Photonics SPIE, 77190S. (Proceedings of SPIE, Vol. 7719).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (Scopus)

• VTT's micron-scale silicon rib+strip waveguide platform

  Aalto, T., Harjanne, M. & Cherchi, M., 1 Jan 2016, Silicon Photonics and Photonic Integrated Circuits V. International Society for Optics and Photonics SPIE, 98911G. (Proceedings of SPIE, Vol. 9891).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  4 Citations (Scopus)

• Advances in miniature spectrometer and sensor development

  Malinen, J., Rissanen, A., Saari, H., Karioja, P., Karppinen, M., Aalto, T. & Tukkiniemi, K., 2014, Next-Generation Spectroscopic Technologies VII. International Society for Optics and Photonics SPIE, 91010C. (Proceedings of SPIE, Vol. 9101).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  22 Citations (Scopus)

• Guiding and reflecting light by boundary material

  Huttunen, A., Varis, K., Kataja, K. & Aikio, J., 2005, In: Optics Communications. 244, 1-6, p. 147 - 152 6 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Dense photonics integration on a micron-scale SOI waveguide platform

  Aalto, T., Cherchi, M., Harjanne, M., Kapulainen, M. & Ylinen, S., 2013, IEEE International Conference on Group IV Photonics GFP. IEEE Institute of Electrical and Electronic Engineers, p. 107-108 2 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  4 Citations (Scopus)

• Wavelength selective photonic integrated switches for ROADM node functionality in ultrahigh capacity metro network

  Tessema, N., Delrosso, G., Bhat, S., Prifti, K., Rasoulzadehzali, A., Wang, Y., Aalto, T., Stabile, R. & Calabretta, N., 28 Jun 2021, 25th International Conference on Optical Network Design and Modelling, ONDM 2021. IEEE Institute of Electrical and Electronic Engineers

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Compact low-loss delay lines on a micron-scale SOI platform

  Cherchi, M., Harjanne, M., Ylinen, S., Vyrsokinos, K., Kapulainen, M., Vehmas, T. & Aalto, T., 18 Nov 2014, 11th International Conference on Group IV Photonics (GFP). IEEE Institute of Electrical and Electronic Engineers, p. 81-82

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• All-Optical Modulation in Chains of Silicon Nanoantennas

  Ding, L., Morits, D., Bakker, R., Li, S., Eschimese, D., Zhu, S., Yu, Y. F., Paniagua-Dominguez, R. & Kuznetsov, A. I., 15 Apr 2020, In: ACS Photonics. 7, 4, p. 1001-1008 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  11 Citations (Scopus)

• Slow-light photonic crystal waveguides with ring-shaped holes on silicon-on-insulator

  Säynätjoki, A., Mulot, M., Vynck, K., Cassagne, D., Ahopelto, J. & Lipsanen, H., 2008, Silicon Photonics and Photonic Integrated Circuits. International Society for Optics and Photonics SPIE, Art. no. 69961O. (Proceedings of SPIE, Vol. 6996).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Modularly and Hybrid Integrated SiPh/InP Wavelength Blocker Switch for Metro Networks

  Tessema, N., Delrosso, G., Bhat, S., Prifti, K., Rasoulzadehzali, A., Stabile, R. & Calabretta, N., 4 Feb 2021, 2020 European Conference on Optical Communications, ECOC 2020. IEEE Institute of Electrical and Electronic Engineers, 9333290

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  5 Citations (Scopus)

• Dual-facet coupling of SOA array on 4-μm silicon-on-insulator implementing a hybrid integrated SOA-MZI wavelength converter

  Alexoudi, T., Fitsios, D., Kanellos, G. T., Pleros, N., Tekin, T., Cherchi, M., Ylinen, S., Harjanne, M., Kapulainen, M. & Aalto, T., 2014, Silicon Photonics IX. Kubby, J. & Reed, G. T. (eds.). International Society for Optics and Photonics SPIE, 89900N. (Proceedings of SPIE, Vol. 8990).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (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 journal › Article › Scientific › peer-review

  Open Access
  7 Citations (Scopus)

• Optical properties of atomic layer deposited materials and their application in silicon waveguides

  Alasaarela, T., Hiltunen, J., Khanna, A., Säynätjoki, A., Tervonen, A. & Honkanen, S., 2010, Proceedings of SPIE : Optical Components and Materials VII. International Society for Optics and Photonics SPIE, 75980D. (Proceedings of SPIE, Vol. 7598).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Optical transceiver engine based on 12 μm Silicon-on-insulator waveguides and VCSELs

  Karppinen, M., Harjanne, M., Vehmas, T., Neumeyr, C., Sitomaniemi, A., Ollila, J., Kapulainen, M., Tanskanen, A., Heimala, P. & Aalto, T., 2019. 3 p.

  Research output: Contribution to conference › Conference article › Scientific

  Open Access

• Athermal silicon slot waveguide with an ormocomp polymer overlayer

  Fegadolli, W. S., Lira, H. L. R., Hiltunen, M., Karioja, P., Almeida, V. R. & Scherer, A., 2014, In: IEEE Photonics Technology Letters. 26, 14, p. 1414-1417

  Research output: Contribution to journal › Article › Scientific › peer-review
  4 Citations (Scopus)

• 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 journal › Article › Scientific › peer-review

• Multilayer single-mode polymeric waveguides by imprint patterning for optical interconnects

  Korhonen, T., Salminen, N., Kokkonen, A., Masuda, N. & Karppinen, M., 2014, Optical Interconnects XIV. Schröder, H., Chen, R. T. & Glebov, A. L. (eds.). International Society for Optics and Photonics SPIE, 8 p. 899103. (Proceedings of SPIE, Vol. 8991).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  6 Citations (Scopus)

• 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 journal › Article › Scientific › peer-review

  Open Access
  3 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 journal › Article › Scientific › peer-review
  18 Citations (Scopus)

• Monolithic Ge integration on the 3 µm SOI platform for 40 GHz photodiodes

  Aalto, T., Vehmas, T., Kapulainen, M., Heimala, P., Delrosso, G., Sun, F. & Gao, F., 2020, PRiME 2020: SiGe, Ge, and Related Compounds: Materials, Processing, and Devices 9. Liu, Q., Hartmann, J. M., Holt, J. R., Gong, X., Jain, V., Niu, G., Masini, G., Ogura, A., Miyazaki, S., Ostling, M., Bi, W., Schulze, A. & Mai, A. (eds.). Electrochemical Society ECS, p. 303-313 (ECS Transactions; No. 5, Vol. 98).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• 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 journal › Article › Scientific › peer-review
  19 Citations (Scopus)

• Finland-Japan Workshop on Nanophotonics and Related Technologies

  Karioja, P. (ed.), 2009, VTT: VTT Technical Research Centre of Finland. 70 p. (VTT Symposium; No. 255).

  Research output: Book/Report › Book (editor) › peer-review

  Open Access

• Compact multi-million Q resonators and 100 MHz passband filter bank in a thick-SOI photonics platform

  Zhang, B., Qubaisi, K. A., Cherchi, M., Harjanne, M., Ehrlichman, Y., Khilo, A. N. & Popović, M. A., 1 Jun 2020, In: Optics Letters. 45, 11, p. 3005-3008 4 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  7 Citations (Scopus)

• Si photonics using micron-size waveguides

  Aalto, T., Cherchi, M., Harjanne, M., Sun, F., Vehmas, T., Bhat, S., Kapulainen, M., Hokkanen, A., Lehtimäki, L., Holmberg, H. & Haapalinna, A., 27 Feb 2019, Optical Components and Materials XVI. Digonnet, M. J. F. & Jiang, S. (eds.). International Society for Optics and Photonics SPIE, 12 p. 109140B. (Proceedings of SPIE, Vol. 10914).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  1 Citation (Scopus)

• Electro-optical properties of BaTiO₃-SrTiO₃ multilayer thin films for waveguide modulators

  Hiltunen, J., Karppinen, M., Karioja, P., Lappalainen, J., Puustinen, J., Lantto, V. & Tuller, H. L., 2008, Silicon Photonics and Photonic Integrated Circuits. International Society for Optics and Photonics SPIE, p. 69960H-1-8 (Proceedings of SPIE, Vol. 69960).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  2 Citations (Scopus)

• Multi-wavelength transceiver integration on SOI for high-performance computing system applications

  Aalto, T., Harjanne, M., Ylinen, S., Kapulainen, M., Vehmas, T., Cherchi, M., Neumeyr, C., Ortsiefer, M. & Malacarne, A., 3 Apr 2015, Optical Interconnects XV. Schröder, H. & Chen, R. T. (eds.). International Society for Optics and Photonics SPIE, (Proceedings of SPIE, Vol. 9368).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  5 Citations (Scopus)

• Cellulose optical fiber for sensing applications

  Hokkanen, A., Kapulainen, M., Jaiswal, A. K., Hynninen, V., Nonappa, N., Ikkala, O. & Orelma, H., 2 Mar 2022, Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXII: Proceedings. Gannot, I., Gannot, I. & Roodenko, K. (eds.). International Society for Optics and Photonics SPIE, 9 p. 1195302. (Proceedings of SPIE, Vol. 11953).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Open-access 3 μm SOI waveguide platform for dense photonic integrated circuits

  Aalto, T., Cherchi, M., Harjanne, M., Bhat, S., Heimala, P., Sun, F., Kapulainen, M., Hassinen, T. & Vehmas, T., 1 Sep 2019, In: IEEE Journal on Selected Topics in Quantum Electronics. 25, 5, 9 p., 8678404.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  24 Citations (Scopus)

• First results from the NORTH tokamak

  Nielsen, S. K., Gryaznevich, M. P., Jacobsen, A. S., Jensen, T., Jessen, M., Korsholm, S. B., Rasmussen, J., Salewski, M., Senstius, M. G., Naulin, V., Nem, R. D., Korsgaard, M. L. H., Nilsson, A. C., Dam, F., Goltermann, A., Pedersen, A. C., Sutherland, M. T., Aalto, T., Hokkanen, A., Salmi, A. & 1 others, Tala, T., May 2021, In: Fusion Engineering and Design. 166, 112288.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Characterization of predictable quantum efficient detector at 488 nm and 785 nm wavelengths with an order of magnitude change of incident optical power

  Korpusenko, M., Manoocheri, F., Kilpi, O. P., Varpula, A., Kainlauri, M., Vehmas, T., Prunnila, M. & Ikonen, E., Jan 2022, In: Measurement Science and Technology. 33, 1, 015206.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Enhancement of Superconductivity by Amorphizing Molybdenum Silicide Films Using a Focused Ion Beam

  Mykkänen, E., Bera, A., Lehtinen, J. S., Ronzani, A., Kohopää, K., Hönigl-decrinis, T., Shaikhaidarov, R., De Graaf, S. E., Govenius, J. & Prunnila, M., 16 May 2020, In: Nanomaterials. 10, 5, 950.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  2 Citations (Scopus)

  28 Downloads (Pure)

• Carboxymethyl Cellulose (CMC) Optical Fibers for Environment Sensing and Short-range Optical Signal Transmission

  Jaiswal, A. K., Hokkanen, A., Kapulainen, M., Khakalo, A., Nonappa, N., Ikkala, O. & Orelma, H., 8 Jan 2022, In: ACS Applied Materials & Interfaces. 14, 2, p. 3315-3323

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Multi-Tb/s sustainable MAN scenario enabled by VCSEL-based innovative technological solutions

  Boffi, P., Parolari, P., Gatto, A., Rapisarda, M., Svaluto Moreolo, M., Nadal, L., Fabrega, J. M., Calabretta, N., Stabile, R., Tessema, N., Larrabeiti, D., Fernández-Palacios, J. P., Otero, G., Neumeyr, C., Delrosso, G., Bhat, S., Solis-Trapala, K. & Parladori, G., 1 Jan 2020, Metro and Data Center Optical Networks and Short-Reach Links III. International Society for Optics and Photonics SPIE, (Proceedings of SPIE, Vol. 11308).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  10 Citations (Scopus)

• Vapour-assisted roll-to-roll nanoimprinting of micropillars on nanocellulose films

  Mäkelä, T., Hokkanen, A., Sneck, A., Ruotsalainen, T., Khakalo, A. & Tammelin, T., 15 Mar 2020, In: Microelectronic Engineering. 225, 111258.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  3 Citations (Scopus)