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• The Euler bend: Paving the way for high-density integration on micron-scale semiconductor platforms

  Cherchi, M., Ylinen, S., Harjanne, M., Kapulainen, M., Vehmas, T. & Aalto, T., 2014, Silicon Photonics IX. Kubby, J. & Reed, G. T. (eds.). International Society for Optics and Photonics SPIE, 899004. (Proceedings of SPIE, Vol. 8990).

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

• Plastic integrated optoelectronics

  Kololuoma, T. & Haatainen, T., 2002, Functional Integration of Opto-Electro-Mechanical Devices and Systems II. International Society for Optics and Photonics SPIE, p. 52-59 (Proceedings of SPIE, Vol. 4647).

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

• Amorphous silicon waveguide escalator: Monolithic integration of active components on 3 μm SOI platform

  Bera, A., Cherchi, M., Tappura, K., Heimala, P. & Aalto, T., 2020, Silicon Photonics XV. Reed, G. T. & Knights, A. P. (eds.). International Society for Optics and Photonics SPIE, 1128507. (Proceedings of SPIE, Vol. 11285).

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

• Wavelength tuning and intensity noise in diode laser butt coupling

  Sidorin, Y., Karioja, P. & Howe, D., 1997, Physics and Simulation of Optoelectronic Devices V. International Society for Optics and Photonics SPIE, p. 772-779 (Proceedings of SPIE, Vol. 2994).

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

• Fabrication-tolerant optical filters for dense integration on a micron-scale SOI platform

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

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

• Fast 100-channel wavelength selectors integrated on silicon

  Aalto, T., Harjanne, M., Kapulainen, M., Ylinen, S. & Mörl, L., 2011, Silicon Photonics VI. International Society for Optics and Photonics SPIE, 9 p. 79430V. (Proceedings of SPIE, Vol. 7943).

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

• Integrated optics for instrumentation applications

  Karioja, P., Lammasniemi, J., Tervonen, A. & Honkanen, S., 1997, Integrated Optics Devices: Potential for Commercialization. Bellingham: International Society for Optics and Photonics SPIE, p. 343-354 (Proceedings of SPIE, Vol. 2997).

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

• Optimising a grating-coupled evanescent field excitation

  Kolari, K., Hokkanen, A., Kuittinen, M., Simonen, J. & Heimala, P., 2006, Optical Sensing II: Proceedings of SPIE Volume 6189. International Society for Optics and Photonics SPIE, 61891Z. (Proceedings of SPIE, Vol. 6189).

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

• Small form-factor VGA camera with variable focus by liquid lens

  Oikarinen, K. & Aikio, M., 2010, Optics, Photonics, and Digital Technologies for Multimedia Applications. International Society for Optics and Photonics SPIE, 772316. (Proceedings of SPIE, Vol. 7723).

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

• Investigation of environmental reliability of optical polymer waveguides embedded on printed circuit boards

  Immonen, M., Karppinen, M. & Kivilahti, J., 2005, 5th International Conference on Polymers and Adhesives in Microelectronics and Photonics: Polytronic 2005.

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

• Optical and opto-mechanical structures in hybrid sol-gel materials

  Levy, R., Descour, M., Kololuoma, T., Juuso, S. & Rantala, J., 2000, Sol-Gel Optics V. International Society for Optics and Photonics SPIE, p. 47-52 (Proceedings of SPIE, Vol. 3943).

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

• Modeling of micro-optical systems by using non-sequential ray tracing

  Juuso, S., Liang, C., Mäkinen, J-T., Rantala, J. & Descour, M., 2001, Functional Integration of Opto-Electro-Mechanical Devices and Systems. International Society for Optics and Photonics SPIE, p. 115-121 (Proceedings of SPIE, Vol. 4284).

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

• Erratum: Wavelength-flattened directional couplers: a geometrical approach (Appl. Opt. (2003) 42 (7141–7148) DOI: 10.1364/AO.42.007141)

  Cherchi, M., 28 Feb 2022, In: Applied Optics. 61, 7, p. 1757 1 p.

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

  Open Access

• 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)

• An LTCC optical transceiver for radio-over-fibre

  Guo, Ong, L. C. . L. B., Chia, M. Y. W., Karppinen, M., Kautio, K., Mäkinen, J-T. & Ollila, J., 2005, Proceedings of the 12th NEFERTITI Workshop on the Topic Photonics in Wireless Communication.

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

• UV-imprinting of single-mode polymeric waveguides

  Hiltunen, J., Wang, M., Hiltunen, M., Puustinen, J., Lappalainen, J., Pearce, S., Charlton, M. & Karioja, P., 2011, Integrated Photonics: Materials, Devices, and Applications. 80690U. (Proceedings of SPIE, Vol. 8069).

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

• Radiocarbon Detection Using Photoacoustic Spectroscopy

  Fatima, M., 2019.

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

• Development of gradient index microlenses for the broadband infrared range

  Kasztelanic, R., Filipkowski, A., Pysz, D., Nguyen, H. T., Stepien, R., Liang, S., Troles, J., Karioja, P. & Buczynski, R., 17 Jan 2022, In: Optics Express. 30, 2, p. 2338-2352 15 p.

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

  Open Access

• Photoacoustic characteristics of carbon-based infrared absorbers

  Rossi, J., Uotila, J., Sharma, S., Laurila, T., Teissier, R., Baranov, A., Ikonen, E. & Vainio, M., Sep 2021, In: Photoacoustics. 23, p. 100265 10 p., 100265.

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

  Open Access

  File
  4 Citations (Scopus)

  18 Downloads (Pure)

• 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)

• Determination of far-field strain in a composite structure using time-of-flight and fabry-perot optical fiber sensors

  Jurvakainen, M., Lahtinen, H., Peltomäki, P., Pramila, A., Lyöri, V., Myllylä, R., Heikkinen, M., Suopajärvi, P. & Kopola, H., 2000, Applications of Optical Fiber Sensors. International Society for Optics and Photonics SPIE, p. 427-434 (Proceedings of SPIE, Vol. 4074).

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

• The European project "merlin" on multi-gigabit, energy-efficient, ruggedized lightwave engines for advanced on-board digital processors

  Stampoulidis, L., Kehayas, E., Karppinen, M., Tanskanen, A., Heikkinen, V., Westbergh, P., Gustavsson, J., Larsson, A., Grüner-Nielsen, L., Sotom, M., Venet, N., Ko, M., Micusik, D., Kissinger, D., Çärl Ulusoy, A., King, R. & Safaisini, R., 2014, International Conference on Space Optics: ICSO 2014. Sodnik, Z., Karafolas, N. & Cugny, B. (eds.). European Space Agency (ESA), 5 p. 105635F. (Proceedings of SPIE, Vol. 10563).

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

  Open Access

• Graphene on ZrO2 and Al2O3 gate dielectrics

  Arpiainen, S., Niinistö, J., Soikkeli, M., Prunnila, M., Ritala, M., Leskelä, M. & Ahopelto, J., 2014, BALD2014 Abstract book.

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

• Optical interconnect on printed wiring board

  Karppinen, M., Mäkinen, J-T., Kataja, K., Tanskanen, A., Alajoki, T., Karioja, P., Immonen, M. & Kivilahti, J., 2004, Photonics Packaging and Integration IV. International Society for Optics and Photonics SPIE, p. 135-145 (Proceedings of SPIE, Vol. 5358).

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

  Open Access
  7 Citations (Scopus)

• Optical buffering and time-slot interchanger with integrated si-based delay lines

  Moralis-Pegios, M., Mourgias-Alexandris, G., Terzenidis, N., Cherchi, M., Harjanne, M., Aalto, T., Miliou, A., Pleros, N. & Vyrsokinos, K., 1 Jan 2017, Advanced Photonics 2017 (IPR, NOMA, Sensors, Networks, SPPCom, PS). Optical Society of America OSA, PTu1D.2. (OSA Technical Digest, Vol. F57).

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

• Estimation of biomass and other characteristics of boreal forest over extensive area using NOAA AVHRR data

  Häme, T., Salli, A., Lohi, A., Andersson, K. & Rauste, Y., 1994, Multispectral and Microwave Sensing of Forestry, Hydrology, and Natural Resources,1995. 1/94 ed. International Society for Optics and Photonics SPIE, (Proceedings of SPIE, Vol. 2314).

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

• Use of ALD thin film Bragg mirror stacks in tuneable visible light MEMS Fabry-Perot interferometers

  Rissanen, A. & Puurunen, R., 2012, Proceedings SPIE 8249 : Advanced Fabrication Technologies for Micro/Nano Optics and Photonics V. Schoenfeld, W. V. (ed.). International Society for Optics and Photonics SPIE, 9 p. 82491A. (Proceedings of SPIE, Vol. 8249).

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

• Cost-effective packaging of laser modules using LTCC substrates

  Keränen, K., Mäkinen, J-T., Heilala, J., Väätäinen, O., Kautio, K., Ollila, J., Petäjä, J., Karppinen, M., Heikkinen, V. & Karioja, P., 2004, Photonics Packaging and Integration IV. International Society for Optics and Photonics SPIE, p. 111-121 (Proceedings of SPIE, Vol. 5358).

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

• Laser Cutting using adaptive spatial shaping of the laser beam intensity distribution

  Kaakkunen, J., Laakso, P. & Kujanpää, V., 2014, Optics and Photonics Days 2014: OPD2014. Saarinen, J. J. (ed.). Åbo Akademi

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

• 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

• PiezoMEMS at VTT: R&D and manufacturing services

  Dekker, J. & Pensala, T., 2017. 42 p.

  Research output: Contribution to conference › Conference article › Professional

• Analysis of the size distribution of single-walled carbon nanotubes using optical absorption spectroscopy

  Tian, Y., Jiang, H., Pfaler, J. V., Zhu, Z., Nasibulin, A. G., Nikitin, T., Aitchison, B., Khriachtchev, L., Brown, D. P. & Kauppinen, E. I., 2010, In: The Journal of Physical Chemistry Letters. 1, 7, p. 1143-1148

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

• Real AI for Real People in the Real World

  Södergård, C., Oct 2019. 7 p.

  Research output: Contribution to conference › Other conference contribution › Professional

  Open Access

• Laser pulse propagation in turbid media: Monte Carlo simulation and comparison with experiment

  Popov, A. P. & Priezzhev, A. V., 1 Dec 2002, Saratov Fall Meeting 2002: Optical Technologies in Biophysics and Medicine IV. Tuchin, V. V. (ed.). International Society for Optics and Photonics SPIE, p. 299-308 (Proceedings of SPIE, Vol. 5068).

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

• Integration of InP-based optoelectronics with silicon waveguides

  Aalto, T., Harjanne, M., Kapulainen, M., Ylinen, S., Ollila, J., Vilokkinen, V., Mörl, L., Möhrle, M. & Hamelin, R., 2009, Integrated Optics: Devices, Materials, and Technologies XIII. Broquin, J-E. & Greiner, C. M. (eds.). International Society for Optics and Photonics SPIE, 14 p. 72180O. (Proceedings of SPIE, Vol. 7218).

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

• Pulsed photoacoustic measurements of suspensions: In case study of mitochondrial NADH and its phantom

  Zhao, Z., Hast, J., Myllylä, R. & Känsäkoski, M., 2008, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6). International Society for Optics and Photonics SPIE, 714213. (Proceedings of SPIE, Vol. 7142).

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

• Laser radar-based measuring systems for large-scale assembly applications

  Kaisto, I., Kostamovaara, J., Manninen, M. & Myllylä, R., 1993, Laser Dimensional Metrology: Recent Advances for Industrial Application. International Society for Optics and Photonics SPIE, p. 2-29-2-32 (Proceedings of SPIE, Vol. 2088).

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

• Waveguide optical parametric oscillator

  Ulvila, V., 2017.

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

• Design and validation measurements of the light guide structures for luminous tiles

  Mäyrä, A., Keränen, K., Gandhi, V., Lindström, H. & Hietavalkama, T., 2017, 2nd EOS Conference on Light Engineering (EOSLE 2017): World of Photonics Congress 2017. European Optical Society (EOS), p. 13-14

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

• Exact analytic expressions for electromagnetic propagation in a finite one-dimensional periodic multilayer

  Cherchi, M., 10 May 2004, Microresonators as Building Blocks for VLSI Photonics: International School of Quantum Electronics, 39th Course. Michelotti, F., Driessen, A. & Bertolotti, M. (eds.). American Institute of Physics (AIP), p. 388-396 9 p. (AIP Conference Proceedings, Vol. 709).

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

• Metamaterials with tailorable nonlinear optical properties

  Czaplicki, R., Husu, H., Zdanowicz, M., Koskinen, K., Siikanen, R., Kauranen, M., Laukkanen, J., Lehtolahti, J. & Kuittinen, M., 2012, In: Optics and Photonics News. 23, 12, p. 34 1 p.

  Research output: Contribution to journal › Article › Scientific

  Open Access

• IR-Spectroscopic technologies for gas sensing

  Karioja, P., 17 Oct 2019.

  Research output: Contribution to conference › Other conference contribution › Professional

• Deeply etched MMI-based components on 4 μm thick SOI for SOA-based optical RAM cell circuits

  Cherchi, M., Ylinen, S., Harjanne, M., Kapulainen, M., Aalto, T., Kanellos, G. T., Fitsios, D. & Pleros, N., 2013, Silicon Photonics VIII. Kubby, J. & Reed, G. T. (eds.). International Society for Optics and Photonics SPIE, 86290C. (Proceedings of SPIE, Vol. 8629).

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

• Cascaded quadratic nonlinearity harnessed to frequency comb generation

  Ulvila, V., 2016.

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

• Raman system for on-line monitoring and optimisation of hybrid polymer gelation

  Gnyba, M., Keränen, M., Maaninen, A., Suhonen, J., Jedrzejewska-Szczerska, M., Kosmowski, B. & Wierzba, P., 2005, In: Opto-electronics Review. 13, 1, p. 9 - 17 9 p.

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

• 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

• Calibration of shaft alignment instruments

  Hemming, B., 1998, Recent Developments in Optical Gauge Block Metrology. Bellingham: International Society for Optics and Photonics SPIE, 8 p. (Proceedings of SPIE, Vol. 3477).

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

• Improving the performance of infrared detectors by plasmonics

  Tappura, K., 2019.

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

• Non-Contact Electrical Critical Dimensions Metrology Sensor for Chrome Photomasks

  Guillaume, N., Lahti, M., Cresswell, M., Allen, R., Linholm, L. & Zaghloul, M., 2001, 21st Annual BACUS Symposium on Photomask Technology. International Society for Optics and Photonics SPIE, p. 822-829 (Proceedings of SPIE, Vol. 4562).

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