Tampere University of Technology

TUTCRIS Research Portal

Publications

  1. Published

    Simulated and Experimental Performance of High Efficiency GaInNAsSb Solar Cells

    Aho, A. J., Tukiainen, A. K., Polojärvi, V. V., Aho, T., Raappana, M. J. S., Isoaho, R. & Guina, M. D., 2015, 31st European Photovoltaic Solar Energy Conference and Exhibition.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

  2. Published

    Dilute Nitride Multijunction Solar Cells Grown by Molecular Beam Epitaxy

    Aho, A., 14 Nov 2015, Tampere University of Technology. 80 p. (Tampere University of Technology. Publication; vol. 1343)

    Research output: Book/ReportDoctoral thesisCollection of Articles

  3. Published

    MBE GROWN GaInNAsSb MULTIJUNCTION SOLAR CELLS: PATH TOWARDS 50% EFFICIENCY

    Aho, A. J., Polojärvi, V. V., Aho, T. A., Raappana, M. J. S., Tukiainen, A. K. & Guina, M. D., 2015, 18th European Molecular Beam Epitaxy Workshop. Canazei, Italy.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

  4. Published

    Determination of composition and energy gaps of GaInNAsSb layers grown by MBE

    Aho, A., Korpijärvi, V. M., Isoaho, R., Malinen, P., Tukiainen, A., Honkanen, M. & Guina, M., 15 Mar 2016, In : Journal of Crystal Growth. 438, p. 49-54 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    Diffusion through thin membranes: Modeling across scales

    Aho, V., Mattila, K., Kühn, T., Kekäläinen, P., Pulkkinen, O., Minussi, R. B., Vihinen-Ranta, M. & Timonen, J., 12 Apr 2016, In : Physical Review E. 93, 4, 043309.

    Research output: Contribution to journalArticleScientificpeer-review

  6. Published

    High-Power Tapered Distributed Bragg Reflector Laser Diodes Emitting at 1550 nm

    Aho, A. T., Viheriälä, J. P., Mäkelä, J. M., Virtanen, H. A., Ranta, S. T., Dumitrescu, M. & Guina, M., 18 May 2016.

    Research output: Other conference contributionPaper, poster or abstractScientific

  7. Published

    Optically Enhanced GaInNAs Solar Cell

    Aho, T. A., Aho, A., Tukiainen, A., Polojärvi, V., Raappana, M. & Guina, M., 20 Jun 2016.

    Research output: Other conference contributionPaper, poster or abstractScientific

  8. Published

    Composition and Bandgap determination of MBE-grown GaInNAsSb

    Aho, A., Korpijärvi, V-M., Isoaho, R., Malinen, P., Tukiainen, A., Honkanen, M. H. & Guina, M., 2017, 19th International Conference on Molecular-Beam Epitaxy.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

  9. Published

    1550 nm high-power tapered DBR-laser diodes

    Aho, A. T., Viheriälä, J. P., Mäkelä, J. M., Virtanen, H. A., Ranta, S. T., Dumitrescu, M. & Guina, M., 2016.

    Research output: Other conference contributionPaper, poster or abstractScientific

  10. Published

    Performace of Dilute Nitride Triple Junction Space Solar Cell Grown by MBE

    Aho, A., Isoaho, R., Tukiainen, A., Polojärvi, V., Raappana, M., Aho, T. & Guina, M., 2017, 11th European Space Power Conference, 3-7 October 2016 Thessaloniki, Greece. EDP Sciences, 03008. (E3S Web of Conferences; vol. 16).

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

  11. Published

    Increasing the quantum efficiency of GaInNAs solar cells by advanced optical design

    Aho, T. A., Aho, A., Tukiainen, A., Polojärvi, V., Raappana, M. & Guina, M., 2016.

    Research output: Other conference contributionPaper, poster or abstractScientific

  12. Published

    Enhancement of Photocurrent in GaInNAs Solar Cells using Ag/Cu Double-Layer Back Reflector

    Aho, T., Aho, A., Tukiainen, A., Polojärvi, V., Salminen, T., Raappana, M. & Guina, M., 2016, In : Applied Physics Letters. 109, 25, 251104.

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Dilute Nitride Four-Junction Solar Cell

    Aho, A. J., Isoaho, R. M. P., Tukiainen, A., Polojärvi, V. V., Aho, T. A., Raappana, M. J. S., Lauri, H. & Guina, M., 2016.

    Research output: Other conference contributionPaper, poster or abstractScientific

  14. Published

    Chromatin organization regulates viral egress dynamics

    Aho, V., Myllys, M., Ruokolainen, V., Hakanen, S., Mäntylä, E., Virtanen, J., Hukkanen, V., Kühn, T., Timonen, J., Mattila, K., Larabell, C. A. & Vihinen-Ranta, M., 1 Dec 2017, In : Scientific Reports. 7, 1, 3692.

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

    High-Power 1180-nm GaInNAs DBR Laser Diodes

    Aho, A. T., Viheriälä, J., Korpijärvi, V-M., Koskinen, M., Virtanen, H., Christensen, M., Uusitalo, T., Lahtonen, K., Valden, M. & Guina, M., 1 Dec 2017, In : IEEE Photonics Technology Letters. 29, 23, p. 2023-2026 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  16. Published

    Dilute Nitride Multijunction Cells: Recent progress and Future Outlook

    Aho, A. J., Isoaho, R. M. P., Polojärvi, V. V., Aho, T. A., Raappana, M. J. S., Tukiainen, A. & Guina, M., 2016.

    Research output: Other conference contributionPaper, poster or abstractScientific

  17. Published

    Structured Metal/Polymer Back Reflectors for III-V Solar Cells

    Aho, T., Niemi, T., Cappelluti, F., Tukiainen, A., Elsehrawy, F. & Guina, M., 6 Nov 2017.

    Research output: Other conference contributionPaper, poster or abstractScientific

  18. Published

    High-power 1550 nm tapered DBR laser diodes for LIDAR applications

    Aho, A., Viheriälä, J., Mäkelä, J., Virtanen, H., Ranta, S., Dumitrescu, M. & Guina, M., 2017.

    Research output: Other conference contributionPaper, poster or abstractScientific

  19. Published

    Four Junction Dilute Nitride Solar Cells for Next Generation CPV-systems

    Aho, A., Isoaho, R., Aho, T., Raappana, M., Polojärvi, V., Tukiainen, A. & Guina, M., 2017.

    Research output: Other conference contributionPaper, poster or abstractScientific

  20. Published

    Comparison of metal/polymer back reflectors with half-sphere, blazed, and pyramid gratings for light trapping in III-V solar cells

    Aho, T., Guina, M., Elsehrawy, F., Cappelluti, F., Raappana, M., Tukiainen, A., Khairul Alam, A. B. M., Vartiainen, I., Kuittinen, M. & Niemi, T., 19 Mar 2018, In : Optics Express. 26, 6, p. A331-A340

    Research output: Contribution to journalArticleScientificpeer-review

  21. Published

    Dilute nitride triple junction solar cells for space applications: Progress towards highest AM0 efficiency

    Aho, A., Isoaho, R., Tukiainen, A., Gori, G., Campesato, R. & Guina, M., Sep 2018, In : Progress in Photovoltaics: Research and Applications. 26, 19, p. 740-744 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  22. Published

    GaInNAsSb-based Four Junction Solar Cells on GaAs and Ge Substrates

    Aho, A., Isoaho, R., Raappana, M., Polojärvi, V., Lauri, H., Aho, T., Tukiainen, A. & Guina, M., 2018.

    Research output: Other conference contributionPaper, poster or abstractScientific

  23. Published

    High Power 1.5 μm Broad Area Laser Diodes Wavelength Stabilized by Surface Gratings

    Aho, A., Viheriälä, J., Virtanen, H., Uusitalo, T. & Guina, M., 1 Nov 2018, In : IEEE Photonics Technology Letters. 30, 21, p. 1870-1873 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  24. Published

    Lattice‐matched four‐junction tandem solar cell including two dilute nitride bottom junctions

    Aho, A., Isoaho, R., Lauri, H., Aho, T., Raappana, M., Polojärvi, V., Tukiainen, A., Reuna, J., Mäkelä, S. & Guina, M., 10 Dec 2018, In : Progress in Photovoltaics: Research and Applications. 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  25. Published

    Metal/Polymer Back Reflectors with Diffraction Gratings for Light Trapping in III-V Solar Cells

    Aho, T., Guina, M., Elsehrawy, F., Cappelluti, F., Raappana, M., Tukiainen, A., Khairul Alam, A. B. M., Vartiainen, I., Kuittinen, M. & Niemi, T., Nov 2018, 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC): A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC. IEEE, p. 2847-2851 5 p. (CONFERENCE RECORD OF THE IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE).

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

  26. Published

    High-Power 1.5 um DBR Laser Diodes for LIDAR Applications

    Aho, A., Viheriälä, J., Virtanen, H., Ranta, S., Dumitrescu, M. & Guina, M., 28 May 2018.

    Research output: Other conference contributionPaper, poster or abstractScientific

  27. Published

    High Efficiency Lattice Matched Four-Junction Solar Cells on GaAs (Oral)

    Aho, A., Isoaho, R., Raappana, M., Aho, T., Polojärvi, V., Tukiainen, A. & Guina, M., 2019.

    Research output: Other conference contributionPaper, poster or abstractScientific

  28. Published

    High power GaInNAs superluminescent diodes emitting over 400 mW in the 1.2 μm wavelength range

    Aho, A., Viheriälä, J., Virtanen, H., Zia, N., Isoaho, R. & Guina, M., 22 Aug 2019, In : Applied Physics Letters. 115, 8, 4 p., 081104 .

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    Back Reflector with Diffractive Gratings for Light-Trapping in Thin-Film III-V Solar Cells

    Aho, T., Tukiainen, A., Elsehrawy, F., Ranta, S., Raappana, M., Aho, A., Isoaho, R., Cappelluti, F. & Guina, M., 2019, 2019 European Space Power Conference (ESPC). IEEE, 4 p.

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

  30. Published

    Enhancement of EQE for MBE grown InAs/GaAs Quantum Dot Solar Cell with Back Reflector

    Aho, T., Tukiainen, A., Ranta, S., Elsehrawy, F., Raappana, M., Isoaho, R., Aho, A., Cappelluti, F. & Guina, M., 2020, 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC). IEEE, p. 2593-2596 4 p. (Conference record of the IEEE Photovoltaic Specialists Conference).

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

  31. Published

    High Efficiency Lattice-Matched 4J Space Solar Cells on GaAs

    Aho, A., Raappana, M., Isoaho, R., Aho, T., Polojärvi, V., Tukiainen, A., Anttola, E., Mäkelä, S., Reuna, J., Hietalahti, A. & Guina, M., Oct 2019, 2019 European Space Power Conference (ESPC). IEEE

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

  32. Published

    Performance Study of Lattice-Matched Multijunction Solar Cells Incorporating GaInNAsSb Junctions with 0.7 – 1.4 eV Bandgap

    Aho, A., Isoaho, R., Raappana, M., Aho, T., Polojärvi, V., Tukiainen, A., Anttola, E., Mäkelä, S., Reuna, J. & Guina, M., 2020, 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC). IEEE, p. 0041-0044 4 p. (Conference record of the IEEE Photovoltaic Specialists Conference).

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

  33. Published

    High-Power 1.5 μm Tapered Distributed Bragg Reflector Laser Diodes for Eye-Safe LIDAR

    Aho, A. T., Viheriälä, J., Koskinen, M., Uusitalo, T., Reuna, J. & Guina, M., 1 Oct 2020, In : IEEE Photonics Technology Letters. 32, 19, p. 1249-1252 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  34. Published

    Fisheye video coding using elastic motion compensated reference frames

    Ahmmed, A., Hannuksela, M. M. & Gabbouj, M., 19 Aug 2016, 2016 IEEE International Conference on Image Processing (ICIP). IEEE, p. 2027-2031 5 p.

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

  35. Published

    Motion hints compensated prediction as a reference frame for high efficiency video coding (HEVC)

    Ahmmed, A., Hannuksela, M. M. & Gabbouj, M., 29 Aug 2016, 2016 24th European Signal Processing Conference (EUSIPCO). IEEE, p. 923-927

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

  36. Published

    Face to Face Makes a Difference: Recommendation Practices of Users of Mobile Services

    Ahmet, Z. & Väänänen-Vainio-Mattila, K., 2011, LARGE'11 Proceedings of the 2nd International Workshop on Research in the large New York, NY, USA 2011. New York, NY: ACM, p. 1-4 4 p. (International Workshop on Research in the large).

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

  37. Published

    Mobile service distribution from the end-user perspective: the survey study on recommendation practices

    Ahmet, Z. & Väänänen-Vainio-Mattila, K., 2012, Proceedings of the 30th SIGCHI Conference on Human Factors in Computing Systems, CHI 2012, Austin, Texas, USA, May 5-10, 2012. New York, NY: ACM, p. 573-588 (ACM SIGCHI Conference on Human Factors in Computing Systems).

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

  38. Published

    Synthesis and study of electrochemical and optical properties of substituted perylenemonoimides in solutions and on solid surfaces

    Ahmed, Z., George, L., Hiltunen, A., Lemmetyinen, H., Hukka, T. & Efimov, A., 7 Jul 2015, In : Journal of Materials Chemistry A. 3, 25, p. 13332-13339 8 p.

    Research output: Contribution to journalArticleScientificpeer-review

  39. Published

    Modeling and experimental verification of magneto‐mechanical energy harvesting device based on construction steel

    Ahmed, U., Ruuskanen, P., Kouhia, R., Rasilo, P. & Poutala, J., 31 Oct 2016. 4 p.

    Research output: Other conference contributionPaper, poster or abstractScientific

  40. Published

    Redox-active, organometallic surface-relief gratings from azobenzene-containing polyferrocenylsilane block copolymers

    Ahmed, R., Priimagi, A., Faul, C. F. J. & Manners, I., 14 Feb 2012, In : Advanced Materials. 24, 7, p. 926-931 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  41. Published

    Controlling azobenzene photoswitching through combined ortho-fluorination and -amination

    Ahmed, Z., Siiskonen, A., Virkki, M. & Priimägi, A., 2017, In : Chemical Communications. 53, 93, p. 12520-12523 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  42. Published

    Finite element method incorporating coupled magneto-elastic model for magneto-mechanical energy harvester

    Ahmed, U., Harju, J., Poutala, J., Ruuskanen, P., Rasilo, P. & Kouhia, R., 19 Jun 2017. 2 p.

    Research output: Other conference contributionPaper, poster or abstractScientific

  43. Published

    Glove-integrated slotted patch antenna for wearable UHF RFID reader

    Ahmed, S., Musfequr Rehman, S. M., Ukkonen, L. & Björninen, T., 26 Sep 2018, 2018 IEEE International Conference on RFID Technology & Application (RFID-TA). IEEE, 4 p.

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

  44. Published

    Finite element analysis of magnetostrictive energy harvesting concept device utilizing thermodynamic magneto-mechanical model

    Ahmed, U., Jeronen, J., Zucca, M., Palumbo, S. & Rasilo, P., 6 May 2019, In : Journal of Magnetism and Magnetic Materials. 486, 8 p., 165275.

    Research output: Contribution to journalArticleScientificpeer-review

  45. Published

    Dynamic modelling of grid-connected permanent magnet synchronous generator wind turbine: rectifier dynamics and control design

    Ahmed, M., Messo, T., Rasilo, P. & Rekola, J., 2019, In : Journal of Engineering. 18, p. 5202-5207

    Research output: Contribution to journalArticleScientificpeer-review

  46. Published

    Glove-Integrated Textile Antenna with Reduced SAR for Wearable UHF RFID Reader

    Ahmed, S., Mehmood, A., Sydänheimo, L., Ukkonen, L. & Björninen, T., 7 Nov 2019, 2019 IEEE International Conference on RFID Technology and Applications (RFID-TA). IEEE, p. 231-235 5 p.

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

  47. Published

    Linear Array Processing Using Modified Singular Value Decomposition

    Ahmed, Y. & Sheikh, M. U., 30 Oct 2019, 2019 International Symposium on Recent Advances in Electrical Engineering (RAEE). IEEE, Vol. 4. 6 p.

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

  48. Published

    Wireless Power Transfer to Intra-Abdominal Implants Using an Around-the-Body Loop Antenna

    Ahmed, S., Sydänheimo, L., Ukkonen, L. & Björninen, T., 24 Oct 2019, 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, p. 0055-0059 5 p.

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

  49. E-pub ahead of print

    Comparison of Wearable E-Textile Split Ring Resonator and Slotted Patch RFID Reader Antennas Embedded in Work Gloves

    Ahmed, S., Qureshi, S. T., Sydänheimo, L., Ukkonen, L. & Björninen, T., 1 Jul 2019, In : IEEE Journal of Radio Frequency Identification.

    Research output: Contribution to journalArticleScientificpeer-review

  50. Published

    Modeling a Fe-Ga Energy Harvester Fitted with Magnetic Closure Using 3D Magneto-Mechanical Finite Element Model

    Ahmed, U., Aydin, U., Zucca, M., Palumbo, S., Kouhia, R. & Rasilo, P., 2020, In : Journal of Magnetism and Magnetic Materials. 500, 6 p., 166390.

    Research output: Contribution to journalArticleScientificpeer-review

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