Mr. Riku Koskinen Profile

Riku Koskinen

Research Assistant at Tampere Univ

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Publications (6)

Proceedings Article | 16 March 2016 Paper

Fabrication and characterization of broadband superluminescent diodes for 2 µm wavelength

Nouman Zia, Jukka Viheriälä, Riku Koskinen, Mervi Koskinen, Soile Suomalainen, Mircea Guina

Proceedings Volume 9768, 97680Q (2016) https://doi.org/10.1117/12.2209720

KEYWORDS: Light emitting diodes, Environmental monitoring, Waveguides, Superluminescent diodes, Semiconductor lasers, Optoelectronics, Spectroscopy, Chemical weapons, Pollution control, Diodes, Gallium antimonide, Continuous wave operation, Reflectivity, Absorption, Antireflective coatings, Quantum wells, Cladding

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Proceedings Article | 11 May 2012 Paper

Laterally-coupled high power GaSb distributed feedback lasers fabricated by nanoimprint lithography at 2 um wavelength

K. Haring, J. Paajaste, R. Koskinen, S. Suomalainen, J. Viheriälä, A. Laakso, T. Niemi, M. Guina

Proceedings Volume 8432, 84320T (2012) https://doi.org/10.1117/12.922811

KEYWORDS: Nanoimprint lithography, Gallium antimonide, Coating, Semiconductor lasers, Semiconductors, Etching, Waveguides, Nanolithography, Cladding, Quantum wells

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Proceedings Article | 22 March 2011 Paper

2 μm InGaSb/GaSb laterally coupled distributed feedback laser fabricated by nanoimprint lithography

K. Haring, J. Viheriälä, M.-R. Viljanen, J. Paajaste, R. Koskinen, S. Suomalainen, A. Laakso, K. Leinonen, T. Niemi, M. Guina

Proceedings Volume 7822, 782208 (2011) https://doi.org/10.1117/12.890260

KEYWORDS: Etching, Nanoimprint lithography, Cladding, Gallium antimonide, Laser processing, Semiconductors, Laser development, Laser damage threshold, Nanolithography, Plasma etching

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Proceedings Article | 17 February 2011 Paper

Narrow-linewidth distributed feedback lasers with laterally coupled ridge-waveguide surface gratings fabricated using nanoimprint lithography

M. Dumitrescu, J. Telkkälä, J. Karinen, J. Viheriälä, A. Laakso, K. Haring, M.-R. Viljanen, J. Paajaste, R. Koskinen, S. Suomalainen, J. Lyytikäinen, T. Leinonen, M. Pessa

Proceedings Volume 7953, 79530B (2011) https://doi.org/10.1117/12.875317

KEYWORDS: Laser development, Refractive index, Mirrors, Etching, Nanoimprint lithography, Laser damage threshold, Laser applications, LIDAR, Reflectivity, Fabrication

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Proceedings Article | 19 May 2009 Paper

Highly nonlinear GaSb-based saturable absorber mirrors

R. Koskinen, S. Suomalainen, J. Paajaste, S. Kivistö, M. Guina, O. Okhotnikov, M. Pessa

Proceedings Volume 7354, 73540G (2009) https://doi.org/10.1117/12.820690

KEYWORDS: Quantum wells, Gallium antimonide, Reflectivity, Mirrors, Modulation, Fiber lasers, Q switching, Semiconductors, Q switched fiber lasers, Q switches

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Proceedings Article | 28 February 2009 Paper

GaSb-based compounds tailored for MID-IR disk lasers

M. Guina, A. Härkönen, S. Suomalinen, J. Paajaste, R. Koskinen, M. Pessa, O. Okhotnikov

Proceedings Volume 7193, 71931F (2009) https://doi.org/10.1117/12.816221

KEYWORDS: Mirrors, Quantum wells, Disk lasers, Gallium antimonide, Semiconductor lasers, Semiconductors, Mode locking, Heterojunctions, Diamond, Mid-IR

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Showing 5 of 6 publications

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