Tampere University of Technology

TUTCRIS Research Portal

Topi Uusitalo

  1. 2018
  2. 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

  3. 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

  4. 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

  5. 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

  6. 2017
  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. Published

    Transverse structure optimization of distributed feedback and distributed Bragg reflector lasers with surface gratings

    Uusitalo, T., Virtanen, H. & Dumitrescu, M., 2017, In : Optical and Quantum Electronics. 49, 6, 11 p., 206.

    Research output: Contribution to journalArticleScientificpeer-review

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