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  • Pentti Karioja
2020

GaSb diode lasers tunable around 2.6 μm using silicon photonics resonators or external diffractive gratings

Ojanen, S. P., Viheriälä, J., Cherchi, M., Zia, N., Koivusalo, E., Karioja, P. & Guina, M., 27 Feb 2020, In : Applied Physics Letters. 116, 8, 081105.

Research output: Contribution to journalArticle

Open Access
2019

Accelerating Photonics innovation for companies and researchers - ACTPHAST 4.0 and ACTPHAST 4R

Karioja, P., 16 Oct 2019.

Research output: Contribution to conferenceOther conference contributionProfessional

Development of large diameter nanostructured GRIN microlenses enhanced with temperature-controlled diffusion

Filipkowski, A., Nguyen, H. T., Kasztelanic, R., Stefaniuk, T., Cimek, J., Pysz, D., Stepien, R., Krzyzak, K., Karioja, P. & Buczynski, R., 2019, In : Optics Express. 27, 24, p. 35052-35064 13 p.

Research output: Contribution to journalArticle

Open Access

IR-Spectroscopic technologies for gas sensing

Karioja, P., 17 Oct 2019.

Research output: Contribution to conferenceOther conference contributionProfessional

2018

Components and solutions for gas sensing at Mid-IR

Karioja, P., 15 Nov 2018.

Research output: Contribution to conferenceOther conference contributionScientific

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 proceedingConference article in proceedingsScientificpeer-review

Open Access
File
1 Citation (Scopus)
86 Downloads (Pure)
2017

Low-power and low-profile miniature atomic clock ceramic based flat form factor miniature atomic clock physics package (C-MAC)

Haesler, J., Balet, L., Karlen, S., Overstolz, T., Gallinet, B., Lecomte, S., Droz, F., Kautio, K., Karioja, P., Lahti, M., Maattanen, A., Lahtinen, O. & Hevonkorpi, V., 27 Oct 2017, 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFC 2017). IEEE Institute of Electrical and Electronic Engineers , p. 55-56 2 p. 8088798

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)

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., Buczynski, 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, Vol. 10110. 9 p. 101100P. (Proceedings of SPIE, Vol. Vol. 10110).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
5 Citations (Scopus)
2016

Atmospheric oxidation and carbon contamination of silver and its effect on surface-enhanced Raman spectroscopy (SERS)

Matikainen, A., Nuutinen, T., Itkonen, T., Heinilehto, S., Puustinen, J., Hiltunen, J., Lappalainen, J., Karioja, P. & Vahimaa, P., 2016, In : Scientific Reports. 6, 37192.

Research output: Contribution to journalArticle

Open Access
23 Citations (Scopus)

Disposable (bio)chemical integrated optical waveguide sensors implemented on roll-to-roll produced platforms

Aikio, S., Zeilinger, M., Hiltunen, J., Hakalahti, L., Hiitola-Keinänen, J., Hiltunen, M., Kontturi, V., Siitonen, S., Puustinen, J., Lieberzeit, P. & Karioja, P., 2016, In : RSC Advances. 6, 56, p. 50414-50422

Research output: Contribution to journalArticle

10 Citations (Scopus)

Disposable photonic integrated circuits for evanescent wave sensors by ultra-high volume roll-to-roll method

Aikio, S., Hiltunen, J., Hiitola-Keinänen, J., Hiltunen, M., Kontturi, V., Siitonen, S., Puustinen, J. & Karioja, P., 2016, In : Optics Express. 24, 3, p. 2527-2541

Research output: Contribution to journalArticle

Open Access
18 Citations (Scopus)
2015

Performance and flow dynamics studies of polymeric optofluidic SERS sensors

Uusitalo, S., Hiltunen, J., Karioja, P., Siitonen, S., Kontturi, V., Myllylä, R., Kinnunen, M. & Meglinski, I., 2015, In : Journal of the European Optical Society: Rapid Publications. 10, 8 p., 15043.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)
2014

Advances in miniature spectrometer and sensor development

Karioja, P., Malinen, J., Rissanen, A., Saari, H., Karppinen, M., Aalto, T. & Tukkiniemi, K., 2014.

Research output: Contribution to conferenceConference articleScientific

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 proceedingConference article in proceedingsScientificpeer-review

16 Citations (Scopus)

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 journalArticle

2 Citations (Scopus)

Copper-core MCPCB with thermal vias for high-power COB LED modules

Juntunen, E., Tapaninen, O., Sitomaniemi, A., Jämsä, M., Heikkinen, V., Karppinen, M. & Karioja, P., 2014, In : IEEE Transactions on Power Electronics. 29, 3, p. 1410-1417

Research output: Contribution to journalArticle

26 Citations (Scopus)

Detection of low concentration formaldehyde gas by photonic crystal sensor fabricated by nanoimprint process in polymer material

Boersma, A., Van Ee, R. J., Stevens, R. S. A., Saalmink, M., Charlton, M. D. B., Pollard, M. E., Chen, R., Kontturi, V., Karioja, P. & Alajoki, T., 2014, Proceedings Optical Sensing and Detection III, volume 9141, 2014. International Society for Optics and Photonics SPIE, Vol. 9141. 91410F. (Proceedings of SPIE, Vol. 9141).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)

Large-area micro- and nanophotonic sensor platform

Karioja, P., 2014.

Research output: Contribution to conferenceConference articleScientific

Large-area nano-photonic chemical sensors: FP7-PHOTOSENS project

Karioja, P., Hiltunen, J., Alajoki, T., Tuominen, J., Siitonen, S., Kontturi, V., Böhlen, K., Hauser, R., Charlton, M., Boersma, A., Lieberzeit, P., Felder, T., Eustace, D. & Haskal, E., 2014, European Optical Society Annual Meeting 2014 (EOSAM 2014). Vol. 1. p. 307-308

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

MEMS, MOEMS, RF-MEMS and photonics packaging based on LTCC technology

Karioja, P., Kautio, K., Ollila, J., Keränen, K., Karppinen, M., Heikkinen, V., Jaakola, T. & Lahti, M., 2014, Proceedings of the 5th Electronics System-integration Technology Conference, ESTC 2014. IEEE Institute of Electrical and Electronic Engineers , 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

5 Citations (Scopus)

Photonics solutions

Karioja, P., 2014.

Research output: Contribution to conferenceConference articleScientific

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, Proceedings: Volume 9133, Silicon Photonics and Photonic Integrated Circuits IV; 91331G, 2014. International Society for Optics and Photonics SPIE, Vol. 9133. 8 p. 91331G. (Proceedings of SPIE, Vol. 9133).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Polymeric microsystems with SERS integrated microfluidics

Uusitalo, S., Hiltunen, J., Karioja, P., Siitonen, S. & Kontturi, V., 21 Jul 2014, The European Conference on Lasers and Electro-Optics 2015. Optical Society of America OSA

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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, Proceedings: SPIE 9141, Optical Sensing and Detection III, 91410D, 2014. Bellingham: International Society for Optics and Photonics SPIE, Vol. 9141. 12 p. (Proceedings of SPIE, Vol. 9141).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

6 Citations (Scopus)
2013

Nanoimprinted polymeric integrated optical devices for sensor applications

Hiitola-Keinänen, J., Hiltunen, J., Tuominen, J., Aikio, S., Hiltunen, M., Petäjä, J., Karioja, P., Kontturi, V. & Siitonen, S., 2013.

Research output: Contribution to conferenceConference PosterScientific

Nanoimprint fabrication of slot waveguides

Hiltunen, M., Heinonen, E., Hiltunen, J., Puustinen, J., Lappalainen, J. & Karioja, P., 2013, In : IEEE Photonics Journal. 5, 2, 9 p., 6476619.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Photonics and RF packaging and integration at VTT

Karioja, P., 2013.

Research output: Contribution to conferenceConference articleScientificpeer-review

Photonics packaging and integration

Karioja, P., 2013.

Research output: Contribution to conferenceOther conference contributionScientificpeer-review

Polymeric Large Area SERS substrates by nanoimprinting

Tuominen, J., Masuda, N., Petäjä, J., Hiltunen, J., Aikio, S., Karioja, P., Siitonen, S., Kontturi, V., Oo, S. Z., Chen, R., Pearce, S., Charlton, M. D. B. & Eustace, D., 2013.

Research output: Contribution to conferenceConference PosterScientific

Roll-to-roll printed sensors for large area monitoring applications

Hast, J. & Karioja, P., 2013.

Research output: Contribution to conferenceOther conference contributionScientific

2012

ACT-MOST access to micro-optics expertise

Laukkanen, J., Honkanen, S., Karioja, P. & Thienpoint, H., 2012.

Research output: Contribution to conferenceOther conference contributionScientific

Highly sensitive biosensor based on UV-imprinted layered polymeric-inorganic composite waveguides

Wang, M., Hiltunen, J., Liedert, C., Pearce, S., Charlton, M., Hakalahti, L., Karioja, P. & Myllylä, R., 2012, In : Optics Express. 20, 18, p. 20309-20317 8 p.

Research output: Contribution to journalArticle

Open Access
22 Citations (Scopus)

Layered polymer: Inorganic composite waveguides for biosensor applications

Hiltunen, J., Wang, M., Liedert, C., Aikio, S., Masuda, N., Pearce, S., Charlton, M. & Karioja, P., 2012, Biophotonics: Photonic Solutions for Better Health Care III. International Society for Optics and Photonics SPIE, 84270I. (Proceedings of SPIE, Vol. 8427).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Long single-mode waveguides made by imprint patterning for optical interconnects and sensors

Karppinen, M., Hiltunen, J., Kokkonen, A., Petäjä, J., Masuda, N., Hiltunen, M., Tuominen, J. & Karioja, P., 2012, Proceedings of SPIE 8428: Micro-Optics 2012. Thienpon, H. (ed.). International Society for Optics and Photonics SPIE, 842814. (Proceedings of SPIE, Vol. 8428).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)

Printed hybrid systems

Karioja, P., Mäkinen, J-T., Keränen, K., Aikio, J., Alajoki, T., Jaakola, T., Koponen, M., Keränen, A., Heikkinen, M., Tuomikoski, M., Suhonen, R., Hakalahti, L., Kopola, P., Hast, J., Liedert, R., Hiltunen, J., Masuda, N., Kemppainen, A., Rönkä, K. & Korhonen, R., 2012, Proceedings of SPIE: Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2012. Varadan, V. K. (ed.). International Society for Optics and Photonics SPIE, 13 p. 83440G. (Proceedings of SPIE, Vol. 8344).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

4 Citations (Scopus)
2011

Field enhancement in polymer waveguides fabricated by UV imprinting

Karioja, P., Hiltunen, M., Hiltunen, J., Wang, M., Myllylä, R., Pearce, S. & Charlton, M., 2011, 2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011). IEEE Institute of Electrical and Electronic Engineers , p. 249-254

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Kertakäyttöisiä antureita R2R-menetelmin: Nanofotonisia anturisiruja

Karioja, P., Tuominen, J., Hiltunen, J., Aikio, S. & Siitonen, S., 2011, In : Prosessori. 11-12, p. 54-56

Research output: Contribution to journalArticleProfessional

Manipulation of optical field distribution in layered composite polymeric-inorganic waveguides

Hiltunen, J., Uusitalo, S., Karioja, P., Pearce, S., Charlton, M., Wang, M., Puustinen, J. & Lappalainen, J., 14 Mar 2011, In : Applied Physics Letters. 98, 11, 111113.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Polymer based single and multislot waveguides

Hiltunen, M., Hiltunen, J., Suutala, A., Tuominen, J. & Karioja, P., 2011, Bioelectronics, Biomedical, and Bioinspired Systems V; and Nanotechnology . Article number 806812. (Proceedings of SPIE, Vol. 8068).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

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 proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)