Tampere University of Technology

TUTCRIS Research Portal

Topi Uusitalo

  1. 2019
  2. Published

    High-power 1.5μm laser diodes for LIDAR applications

    Viheriälä, J., Aho, A. T., Uusitalo, T., Lyytikäinen, J., Hallman, L., Ryvkin, B. S., Avrutin, E. A., Kostamovaara, J. T. & Guina, M., Oct 2019, 2019 IEEE High Power Diode Lasers and Systems Conference (HPD). IEEE, p. 9-10 2 p. (IEEE High Power Diode Lasers and Systems Conference).

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

  3. 2018
  4. 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

  5. Published

    Single- and Dual-Frequency Laser Diodes based on Surface Gratings

    Uusitalo, T., 3 Aug 2018, Tampere University of Technology. 80 p. (Tampere University of Technology. Publication; vol. 1556)

    Research output: Book/ReportDoctoral thesisCollection of Articles

  6. Published

    Dual-mode DFB laser diodes with apodized surface gratings

    Uusitalo, T., Virtanen, H., Viheriälä, J. & Dumitrescu, M., Jun 2018, In : Optics Express. 26, 13, p. 16303-16314 12 p.

    Research output: Contribution to journalArticleScientificpeer-review

  7. Published

    Narrow-linewidth 780 nm DFB lasers fabricated using nanoimprint lithography

    Virtanen, H., Uusitalo, T., Karjalainen, M., Ranta, S., Viheriala, J. & Dumitrescu, M., 2018, In : IEEE Photonics Technology Letters. 30, 1, p. 51-54

    Research output: Contribution to journalArticleScientificpeer-review

  8. 2017
  9. 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

  10. Published

    Distributed feedback lasers with alternating laterally coupled ridge-waveguide surface gratings

    Uusitalo, T., Virtanen, H., Karjalainen, M., Ranta, S., Viheriälä, J. & Dumitrescu, M., 15 Aug 2017, In : Optics Letters. 42, 16, p. 3141-3144 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  11. Published

    Simulation studies of DFB laser longitudinal structures for narrow linewidth emission

    Virtanen, H., Uusitalo, T. & Dumitrescu, M., 23 Mar 2017, In : Optical and Quantum Electronics. 49, 4, 13 p., 160.

    Research output: Contribution to journalArticleScientificpeer-review

  12. Published

    Analysis of the photon–photon resonance influence on the direct modulation bandwidth of dual-longitudinal-mode distributed feedback lasers

    Uusitalo, T., Virtanen, H., Bardella, P. & Dumitrescu, M., 5 Jan 2017, In : Optical and Quantum Electronics. 49, 1, 14 p., 46.

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Spectral characteristics of narrow-linewidth high-power 1180 nm DBR laser with surface gratings

    Virtanen, H., Aho, A. T., Viheriälä, J., Korpijärvi, V-M., Uusitalo, T., Koskinen, M., Dumitrescu, M. & Guina, M., Jan 2017, In : IEEE Photonics Technology Letters. 29, 1, p. 114-117 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

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