Dr. Jari Lyytikäinen Profile

Dr. Jari Lyytikäinen

at Tampere Univ

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Author

Publications (16)

Proceedings Article | 4 March 2022 Paper

High peak power tapered RWG laser diodes for eye-safe LIDAR applications around 1.5 µm wavelength

Topi Uusitalo, Jukka Viheriälä, Heikki Virtanen, Santeri Hanhinen, Roosa Hytönen, Jari Lyytikäinen, Mircea Guina

Proceedings Volume 11983, 119830Q (2022) https://doi.org/10.1117/12.2608601

KEYWORDS: Semiconductor lasers, LIDAR, Pulsed laser operation, Measurement devices, Quantum wells, Optical testing, Collimation

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Proceedings Article | 14 March 2018 Presentation

Towards direct emitting MECSELs in the yellow and red-orange spectral range (Conference Presentation)

Hermann Kahle, Kostiantyn Nechay, Jussi-Pekka Penttinen, Jari Lyytikäinen, Mircea Guina

Proceedings Volume 10515, 1051509 (2018) https://doi.org/10.1117/12.2290174

KEYWORDS: Semiconductor lasers, Semiconductors, Indium gallium phosphide, Aluminium gallium indium phosphide, Disk lasers, Laser development, Harmonic generation, Refractive index, Distributed Bragg reflectors, Absorption

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Proceedings Article | 21 April 2017 Presentation

Advances in 750 nm VECSELs (Conference Presentation)

Esa Saarinen, Sanna Ranta, Jari Lyytikäinen, Antti Saarela, Alexei Sirbu, Vladimir Iakovlev, Eli Kapon, Mircea Guina

Proceedings Volume 10087, 100870I (2017) https://doi.org/10.1117/12.2252008

KEYWORDS: Luminescence, Microscopy, Compound semiconductors, Optical pumping, Semiconductor lasers, Photodynamic therapy, Laser therapeutics, Laser applications, Laser tissue interaction, Biomedical optics

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Proceedings Article | 17 February 2017 Paper

Intracavity double diode structures with GaInP barrier layers for thermophotonic cooling

Jonna Tiira, Ivan Radevici, Tuomas Haggren, Teemu Hakkarainen, Pyry Kivisaari, Jari Lyytikäinen, Arto Aho, Antti Tukiainen, Mircea Guina, Jani Oksanen

Proceedings Volume 10121, 1012109 (2017) https://doi.org/10.1117/12.2250843

KEYWORDS: Group III-V semiconductors, Semiconductors, Light emitting diodes, Heterojunctions, Photodiodes, Energy transfer, Gallium arsenide, Applied physics, Internal quantum efficiency, Optical cooling, Diodes, Indium gallium phosphide, Quantum efficiency, Metals, Interfaces

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Proceedings Article | 10 March 2016 Paper

A 1.5-W frequency doubled semiconductor disk laser tunable over 40 nm at around 745 nm

Esa Saarinen, Jari Lyytikäinen, Sanna Ranta, Antti Rantamäki, Antti Saarela, Alexei Sirbu, Vladimir Iakovlev, Eli Kapon, Oleg Okhotnikov

Proceedings Volume 9734, 97340P (2016) https://doi.org/10.1117/12.2209384

KEYWORDS: Semiconductor lasers, Semiconductors, Disk lasers, Semiconducting wafers, Second-harmonic generation, Crystals, Diodes, Chemical elements, Vertical external cavity surface emitting lasers, Mirrors, Nonlinear crystals, Diamond

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Proceedings Article | 9 March 2015 Paper

Green (In,Ga,Al)P-GaP light-emitting diodes grown on high-index GaAs surfaces

Nikolay Ledentsov, V. Shchukin, J. Lyytikäinen, O. Okhotnikov, N. Cherkashin, Yu Shernyakov, A. Payusov, Nikita Gordeev, M. Maximov, S. Schlichting, F. Nippert, A. Hoffmann

Proceedings Volume 9383, 93830E (2015) https://doi.org/10.1117/12.2083953

KEYWORDS: Electroluminescence, Gallium arsenide, Light emitting diodes, Superlattices, Transmission electron microscopy, Cladding, Electrons, Heterojunctions, Aluminium gallium indium phosphide, Aluminum

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Proceedings Article | 4 March 2015 Paper

Recent progress in wafer-fused VECSELs emitting in the 1310nm waveband

A. Sirbu, A. Rantamaki, V. Iakovlev, A. Mereuta, A. Caliman, N. Volet, J. Lyytikäinen, O. Okhotnikov, E. Kapon

Proceedings Volume 9349, 934907 (2015) https://doi.org/10.1117/12.2079752

KEYWORDS: Mirrors, Diamond, Quantum wells, Semiconducting wafers, Etching, Mirror structures, Absorption, Gallium arsenide, Wafer bonding, Distributed Bragg reflectors

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Proceedings Article | 4 March 2015 Paper

Power and wavelength scaling using semiconductor disk laser-bismuth fiber MOPA systems

Juuso Heikkinen, Regina Gumenyuk, Antti Rantamäki, Jari Lyytikäinen, Tomi Leinonen, Igor Zolotovskii, Mikhail Melkumov, Evgeny Dianov, Oleg Okhotnikov

Proceedings Volume 9349, 93490E (2015) https://doi.org/10.1117/12.2076805

KEYWORDS: Fiber amplifiers, Semiconductor lasers, Mode locking, Mirrors, Semiconductors, Fiber lasers, Disk lasers, Quantum wells, Optical amplifiers, Picosecond phenomena

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Proceedings Article | 4 March 2015 Paper

Towards high power flip-chip long-wavelength semiconductor disk lasers

A. Rantamaki, E. Saarinen, J. Lyytikäinen, J. Kontio, J. Heikkinen, Kimmo Lahtonen, M. Valden, O. Okhotnikov

Proceedings Volume 9349, 934908 (2015) https://doi.org/10.1117/12.2076795

KEYWORDS: Reflectivity, Semiconductors, Mirrors, Wafer bonding, Diamond, Semiconductor lasers, Silicon, Aluminum, Dielectrics, Metals

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Proceedings Article | 3 March 2014 Paper

Wafer-fused VECSELs emitting in the 1310nm waveband

A. Sirbu, K. Pierscinski, A. Mereuta, V. Iakovlev, A. Caliman, Z. Micovic, N. Volet, J. Rautiainen, J. Heikkinen, J. Lyytikainen, A. Rantamäki, O. Okhotnikov, E. Kapon

Proceedings Volume 8966, 89660G (2014) https://doi.org/10.1117/12.2039692

KEYWORDS: Mirrors, Diamond, Semiconducting wafers, Quantum wells, Laser applications, Optical pumping, Wafer-level optics, Luminescence, Vertical cavity surface emitting lasers, Fiber coupled lasers

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Proceedings Article | 18 February 2013 Paper

Recent progress in wafer-fused VECSELs emitting in the 1310nm and 1550nm bands

A. Sirbu, A. Caliman, A. Mereuta, K. Pierscinski, A. Rantamäki, J. Lyytikäinen, J. Rautiainen, V. Iakovlev, N. Volet, O. Okhotnikov, E. Kapon

Proceedings Volume 8606, 86060F (2013) https://doi.org/10.1117/12.2002461

KEYWORDS: Mirrors, Semiconducting wafers, Optical pumping, Oxygen, Fabry–Perot interferometers, Reflectivity, Electroluminescence, Output couplers, Fiber lasers

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Proceedings Article | 22 March 2011 Paper

Multiple gain cavity for power scaling in passively mode-locked semiconductor disk laser

A. Rantamäki, E. Saarinen, J. Lyytikäinen, O. Okhotnikov

Proceedings Volume 7822, 782209 (2011) https://doi.org/10.1117/12.884968

KEYWORDS: Mode locking, Semiconductor lasers, Semiconductors, Disk lasers, Quantum wells, Mirrors, Fabry–Perot interferometers, Diamond, Optical pumping, Optical semiconductors

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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 | 11 February 2011 Paper

High power optically pumped VECSELs emitting in 1310-nm and 1550-nm bands

A. Sirbu, A. Mereuta, A. Caliman, N. Volet, Q. Zhu, V. Iakovlev, J. Rautiainen, J. Lyytikainen, O. Okhotnikov, J. Walczak, M. Wasiak, T. Czyszanowski, E. Kapon

Proceedings Volume 7919, 791903 (2011) https://doi.org/10.1117/12.874838

KEYWORDS: Mirrors, Quantum wells, Diamond, Semiconducting wafers, Gallium arsenide, Optical pumping, Oxygen, Refractive index, Wafer-level optics

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Proceedings Article | 25 September 2009 Paper

Ultra high efficiency 1550nm multi-junction pulsed laser diodes

Jean-François Boucher, Ville Vilokkinen, Paul Rainbow, Petteri Uusimaa, Jari Lyytikäinen, Sanna Ranta

Proceedings Volume 7480, 74800K (2009) https://doi.org/10.1117/12.829925

KEYWORDS: Semiconductor lasers, Etching, Laser processing, Doping, Metals, Semiconducting wafers, Quantum wells, Light sources, Reliability, Amplifiers

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Proceedings Article | 18 May 2009 Paper

Wafer fused InP-GaAs optically pumped semiconductor disk laser operating at 1.57 um

Jari Lyytikäinen, Jussi Rautiainen, Alexei Sirbu, Alexandru Mereuta, Andrei Caliman, Eli Kapon, Oleg Okhotnikov

Proceedings Volume 7355, 73550C (2009) https://doi.org/10.1117/12.820672

KEYWORDS: Disk lasers, Semiconducting wafers, Semiconductor lasers, Semiconductors, Optical pumping, Mirrors, Optical semiconductors, Quantum wells, Gallium arsenide, Wafer-level optics

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Showing 5 of 16 publications

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