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

• UV-imprinted single-mode waveguides with low loss at visible wavelength

  Hiltunen, J., Kokkonen, A., Puustinen, J., Hiltunen, M. & Lappalainen, J., 2013, In: IEEE Photonics Technology Letters. 25, 10, p. 996-998 3 p.

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

• Time-resolved frequency chirp measurement using a silicon-wafer etalon

  Tammela, S., Ludvigsen, H., Kajava, T. & Kaivola, M., 1997, In: IEEE Photonics Technology Letters. 9, 4, p. 475-477

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

• Experiences from Embedded Optical Fiber Based Cure and Stress Sensing in Composite Structures

  Kopola, H., Suopajärvi, P., Lyöri, V., Nissilä, S. & Johansson, R., 1996, Applications of Photonic Technology 2. Springer, p. 783-788

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

• Monitoring Conformality in ALD Manufacturing: Comparing Lateral and Vertical High Aspect Ratio Test Structures

  Utriainen, M., Gao, F., Puurunen, R. L., Riedel, S. & Kia, A. M., 30 Jul 2018. 1 p.

  Research output: Contribution to conference › Conference Abstract › Scientific › peer-review

  Open Access

• 3D Nanostructuring of hydrogen silsesquioxane resist by 100 keV electron beam lithography

  Vila-Comamala, J., Gorelick, S., Guzenko, V. A. & David, C., 2011, In: Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics. 29, 6, 5 p., 06F301.

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

• Low-nonlinearity and low-loss silicon slot waveguides with ALD-grown thin films

  Karvonen, L., Säynätjoki, A., Tu, X., Liow, T. Y., Hiltunen, M., Hiltunen, J., Tervonen, A., Lo, G. Q. & Honkanen, S., 2012, Proceedings of SPIE 8431: Silicon Photonics and Photonic Integrated Circuits III. Laurent, V. (ed.). International Society for Optics and Photonics SPIE, 84311M. (Proceedings of SPIE, Vol. 8431).

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

• Crystallization of silica opals onto patterned silicon wafer

  Ye, J., Zentel, R., Arpiainen, S., Ahopelto, J., Jonsson, F., Romanov, S. G. & Sotomayor Torres, C. M., 2006, Photonic Crystal Materials and Devices III. International Society for Optics and Photonics SPIE, 9 p. 61821U. (Proceedings of SPIE, Vol. 6182).

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

• A high resolution reflectometer for measuring dynamic strain in a single mode optical fibre

  Lyöri, V., Määttä, K., Nissilä, S., Kopola, H., Englund, M. & Mitrunen, A., 1997, Applications of Photonic Technology 2: Communications, Sensing, Materials, and Signal Processing. Lampropoulos, G. A. & Lessard, R. A. (eds.). New York: Plenum, p. 751-756

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

• Integrated optical ring resonator on silicon with thermal tuning and in situ temperature measurement

  Heimala, P., Katila, P. & Aarnio, J., 1996, Functional Photonic and Fiber Devices. Najafi, S. I. & Armenise, M. N. (eds.). Bellingham: International Society for Optics and Photonics SPIE, p. 71-77 (Proceedings of SPIE, Vol. 2695).

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

• The effects of laser welding parameters on the microstructure of ferritic and duplex stainless steels welds: Laser Assisted Net Shape Engineering 6

  Pekkarinen, J. & Kujanpää, V., 2010, In: Physics Procedia. 5, Part A, p. 517-523

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review
  52 Citations (Scopus)

• All-Silicon Spectrally Resolved Interferometric Circuit for Multiplexed Diagnostics: A Monolithic Lab-on-a-Chip Integrating All Active and Passive Components

  Misiakos, K., Makarona, E., Hoekman, M., Fyrogenis, R., Tukkiniemi, K., Jobst, G., Petrou, P. S., Kakabakos, S. E., Salapatas, A., Goustouridis, D., Harjanne, M., Heimala, P. & Raptis, I., 13 Jun 2019, In: ACS Photonics. 6, 7, p. 1694-1705 12 p.

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

• Tunable silicon etalon for simultaneous spectral filtering and wavelength monitoring of a DWDM transmitter

  Niemi, T., Uusimaa, M., Tammela, S., Heimala, P., Kajava, T., Kaivola, M. & Ludvigsen, H., 2001, In: IEEE Photonics Technology Letters. 13, 1, p. 58-60 3 p.

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

• Hybrid Integration of VCSEL and 3-μm Silicon Waveguide Based on a Monolithic Lens System

  Li, C., Bhat, S., Stabile, R., Song, Y., Neumeyr, C. & Raz, O., 16 Mar 2022, (E-pub ahead of print) In: IEEE Transactions on Components, Packaging and Manufacturing Technology. 1 p.

  Research output: Contribution to journal › Article › 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

• Multi-wavelength mid-IR light source for gas sensing

  Karioja, P., Alajoki, T., Cherchi, M., Ollila, J., Harjanne, M., Heinilehto, N., Suomalainen, S., Viheriälä, J., Zia, N., Guina, M., Buczyński, R., Kasztelanic, R., Kujawa, I., Salo, T., Virtanen, S., Kluczynski, P., Sagberg, H., Ratajczyk, M. & Kalinowski, P., 1 Jan 2017, Photonic Instrumentation Engineering IV. Soskind, Y. G. & Olson, C. (eds.). International Society for Optics and Photonics SPIE, 9 p. 101100P. (Proceedings of SPIE, Vol. Vol. 10110).

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

  Open Access
  6 Citations (Scopus)

• Hyperuniform disordered terahertz quantum cascade laser

  Degl'Innocenti, R., Shah, Y. D., Masini, L., Ronzani, A., Pitanti, A., Ren, Y., Jessop, D. S., Tredicucci, A., Beere, H. E. & Ritchie, D. A., 13 Jan 2016, In: Scientific Reports. 6, 19325.

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

  Open Access
  32 Citations (Scopus)

• Demonstration of a tunable hybrid laser diode using an electrostatiscally tunable silicon micromachined Fabry-Perot interferometer device

  Sidorin, Y., Blomberg, M. & Karioja, P., 1999, In: IEEE Photonics Technology Letters. 11, 1, p. 18-20 3 p.

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

• 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)

• New capillary optical fiber structure for fluorescence sensors

  Kiiveri, P., Hokkanen, A., Kylmänen, R., Keinänen, K. & Tammela, S., 1996, Functional Photonic and Fiber Devices. Najafi, S. I. & Armenise, M. N. (eds.). Bellingham: International Society for Optics and Photonics SPIE, p. 169-179 (Proceedings of SPIE, Vol. 2695).

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

• Low-loss multiple-slot waveguides fabricated by optical lithography and atomic layer deposition

  Karvonen, L., Säynätjoki, A., Chen, Y., Tu, X., Liow, T-Y., Hiltunen, J., Hiltunen, M., Lo, G-Q. & Honkanen, S., 2012, In: IEEE Photonics Technology Letters. 24, 22, p. 2074-2076 2 p.

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

• Euler bends and TIR mirrors for ultra-dense PIC integration on SOI

  Aalto, T., Harjanne, M., Cherchi, M. & Ylinen, S., 2016, Book of abstracts of the 18th European Conference on Integrated Optics (ECIO 2016). Warsaw University of Technology, 2 p.

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

  Open Access

• Modeling of aperiodic fractal waveguide structures for multifrequency light transport

  Marianne, H., Luca, D. N., Ning, F. N., Kimerling, L. C. & Jurgen, M., 2007, In: Journal of Lightwave Technology. 25, 7, p. 1841-1847

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

• 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

• Optical-to-electrical power conversion and data transmission module

  Karioja, P., Jurva, R., Keränen, K., Tukkiniemi, K., Lammasniemi, J., Tervonen, A. & Englund, M., 1996, Applications of Photonic Technology 2: Communications, Sensing, Materials, and Signal Processing. Springer, p. 325-332

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

• High-power GaInP-AlGaInP quantum-well lasers grown by solid source molecular beam epitaxy

  Tappura, K., Aarik, J. & Pessa, M., 1996, In: IEEE Photonics Technology Letters. 8, 3

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

• Towards large-area roll-to-roll printed nanophotonic sensors

  Karioja, P., Hiltunen, J., Aikio, S., Alajoki, T., Tuominen, J., Hiltunen, M., Siitonen, S., Kontturi, V., Böhlen, K., Hauser, R., Charlton, M., Boersma, A., Lieberzeit, P., Felder, T., Eustace, D. & Haskal, E., 2014, Optical Sensing and Detection III. Bellingham: International Society for Optics and Photonics SPIE, 12 p. (Proceedings of SPIE, Vol. 9141).

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

• 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)

• Optical coupling structure made by imprinting between single-mode polymer waveguide and embedded VCSEL

  Karppinen, M., Salminen, N., Korhonen, T., Alajoki, T., Petäjä, J., Bosman, E., Van Steenberge, G., Justice, J., Khan, U., Corbett, B. & Boersma, A., 2015, Optical Interconnects XV: 93680H. 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
  2 Citations (Scopus)

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

• Review of LTCC Technology for Millimeter Waves and Photonics

  Lahti, M., Kautio, K., Karppinen, M., Ollila, J., Keränen, K. & Karioja, P., 1 Jun 2020, In: International Journal of Electronics and Telecommunications. 66, 2, p. 361-367 7 p.

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

  Open Access

  File
  2 Citations (Scopus)

  424 Downloads (Pure)

• Embedded optical interconnect on printed wiring board

  Karppinen, M., Mäkinen, J-T., Kataja, K., Tanskanen, A., Alajoki, T., Karioja, P., Immonen, M. & Kivilahti, J., 2004, Micro-Optics, VCSELs, and Photonic Interconnects. International Society for Optics and Photonics SPIE, p. 150-164 (Proceedings of SPIE, Vol. 5453).

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

• 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)

• 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)

• Thermoresponsive Nanocellulose Films as an Optical Modulation Device: Proof-of-Concept

  Jaiswal, A., Hokkanen, A., Kumar, V., Mäkelä, T., Harlin, A. & Orelma, H., 18 May 2021, In: ACS Applied Materials & Interfaces. 13, 21, p. 25346–25356 11 p.

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

  Open Access
  3 Citations (Scopus)

• Vertical Engineering for Large Brillouin Gain in Unreleased Silicon-Based Waveguides

  Mercadé, L., Korovin, A. V., Pennec, Y., Ahopelto, J., Djafari-Rouhani, B. & Martínez, A., Mar 2021, In: Physical Review Applied. 15, 3, 034021.

  Research output: Contribution to journal › Article › Scientific › peer-review
  1 Citation (Scopus)

• Erbium-doped waveguides fabricated with atomic layer deposition method

  Solehmainen, K., Kapulainen, M., Heimala, P. & Polamo, K., 2004, In: IEEE Photonics Technology Letters. 16, 1, p. 194 - 196 3 p.

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

• Unmanned aerial vehicle (UAV) operated megapixel spectral camera

  Mäkynen, J., Holmlund, C., Saari, H., Ojala, K. & Antila, T., 2011, Electro-Optical Remote Sensing, Photonic Technologies, and Applications V. Bishop, G. J. (ed.). International Society for Optics and Photonics SPIE, 9 p. 81860Y. (Proceedings of SPIE, Vol. 8186).

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

• Single-mode tuning of a 1540-nm diode laser using a Fabry–Pérot interferometer

  Heikkinen, V., Aikio, J., Alajoki, T., Hiltunen, J., Mattila, A-J., Ollila, J. & Karioja, P., 2004, In: IEEE Photonics Technology Letters. 16, 4, p. 1164 - 1166 3 p.

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

• 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)

• Enhancing the Performance of Commercial Infrared Detectors by Surface Plasmons

  Tappura, K., 2018, In: Proceedings. 2, 13, 63.

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

  Open Access

• Graphene screen-printed radio-frequency identification devices on flexible substrates

  Arapov, K., Jaakkola, K., Ermolov, V., Bex, G., Rubingh, E., Haque, S., Sandberg, H., Abbel, R., de With, G. & Friedrich, H., 2016, In: Physica Status Solidi: Rapid Research Letters. 10, 11, p. 812-818

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

  Open Access
  31 Citations (Scopus)

• Muotoilun mahdollisuuden teknologiatutkimuksessa: Pro gradu

  Närhi, R., 2014, Rovaniemi: University of Lapland. 91 p.

  Research output: Thesis › Master's thesis › Theses

  Open Access

• 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)

• 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)

• Introduction to Finnish laser processing activity

  Kujanpää, V., 2016. 4 p.

  Research output: Contribution to conference › Conference article › Scientific

  Open Access

• Integration of 150 Gbps/fiber optical engines based on multicore fibers and 6-channel VCSELs and PDs

  Karppinen, M., Tanskanen, A., Heikkinen, V., Myöhänen, P., Salminen, N., Ollila, J., Tapaninen, O., Westbergh, P., Gustavsson, J., Larsson, A., Safaisini, R., King, R., Ko, M., Kissinger, D., Çärl Ulusoy, A., Taunay, T., Bansal, L., Grüner-Nielsen, L., Kehayas, E., Edmunds, J. & 1 others, Stampoulidis, L., 1 Jan 2016, Optical Interconnects XVI. Schröder, H. & Chen, R. T. (eds.). International Society for Optics and Photonics SPIE, 97530S. (Proceedings of SPIE, Vol. 9753).

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