Improving P-Doped DBRs Operation at Cryogenic Temperatures: Investigating Different Mirror Geometry
Namvar, Behzad, Uusitalo, Topi, Virtanen, Heikki, Guina, Mircea, Viheriala, Jukka
Published in IEEE photonics journal (01.08.2024)
Published in IEEE photonics journal (01.08.2024)
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Journal Article
Narrow-Linewidth 780-nm DFB Lasers Fabricated Using Nanoimprint Lithography
Virtanen, Heikki, Uusitalo, Topi, Karjalainen, Maija, Ranta, Sanna, Viheriala, Jukka, Dumitrescu, Mihail
Published in IEEE photonics technology letters (01.01.2018)
Published in IEEE photonics technology letters (01.01.2018)
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Journal Article
High-power 1.5 μm tapered distributed Bragg reflector laser diodes for eye-safe LIDAR
Aho, Antti T., Viheriala, Jukka, Koskinen, Mervi, Uusitalo, Topi, Reuna, Jarno, Guina, Mircea
Published in IEEE photonics technology letters (01.10.2020)
Published in IEEE photonics technology letters (01.10.2020)
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Journal Article
High-Power 1.5- \mu m Broad Area Laser Diodes Wavelength Stabilized by Surface Gratings
Aho, Antti T., Viheriala, Jukka, Virtanen, Heikki, Uusitalo, Topi, Guina, Mircea
Published in IEEE photonics technology letters (01.11.2018)
Published in IEEE photonics technology letters (01.11.2018)
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Journal Article
Simulation studies of DFB laser longitudinal structures for narrow linewidth emission
Virtanen, Heikki, Uusitalo, Topi, Dumitrescu, Mihail
Published in Optical and quantum electronics (01.04.2017)
Published in Optical and quantum electronics (01.04.2017)
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Journal Article
Machine Vision System Utilizing Black Silicon CMOS Camera for Through-Silicon Alignment
Vlasov, Aleksandr Andreevich, Aydin, Alp Eren, Uusitalo, Topi, Viheriala, Jukka, Guina, Mircea
Published in IEEE transactions on components, packaging, and manufacturing technology (2011) (01.12.2022)
Published in IEEE transactions on components, packaging, and manufacturing technology (2011) (01.12.2022)
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Journal Article
Dual-mode DFB laser diodes with apodized surface gratings
Uusitalo, Topi, Virtanen, Heikki, Viheriälä, Jukka, Dumitrescu, Mihail
Published in Optics express (25.06.2018)
Published in Optics express (25.06.2018)
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Journal Article
Spectral Characteristics of Narrow-Linewidth High-Power 1180 nm DBR Laser With Surface Gratings
Virtanen, Heikki, Aho, Antti T., Viheriala, Jukka, Korpijarvi, Ville-Markus, Uusitalo, Topi, Koskinen, Mervi, Dumitrescu, Mihail, Guina, Mircea
Published in IEEE photonics technology letters (01.01.2017)
Published in IEEE photonics technology letters (01.01.2017)
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Journal Article
High-Power 1180-nm GaInNAs DBR Laser Diodes
Aho, Antti T., Viheriala, Jukka, Korpijarvi, Ville-Markus, Koskinen, Mervi, Virtanen, Heikki, Christensen, Mathias, Uusitalo, Topi, Lahtonen, Kimmo, Valden, Mika, Guina, Mircea
Published in IEEE photonics technology letters (01.12.2017)
Published in IEEE photonics technology letters (01.12.2017)
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Journal Article
Development of VCSELs for cyogenic (4.2 K) optical interfaces
Viheriala, Jukka, Uusitalo, Topi, Virtanen, Heikki, Namvar, Behzad, Rajala, Patrik, Ranta, Sanna, Hakkarainen, Teemu, Tukiainen, Antti, Almuneau, Guilhem, Guina, Mircea
Published in 2023 IEEE Photonics Society Summer Topicals Meeting Series (SUM) (01.07.2023)
Published in 2023 IEEE Photonics Society Summer Topicals Meeting Series (SUM) (01.07.2023)
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Conference Proceeding
Monolithic 2\mu\mathrm GaSb-based passively mode-locked laser
Zia, Nouman, Viheriala, Jukka, Uusitalo, Topi, Koivusalo, Eero, Guina, Mircea
Published in 2020 European Conference on Optical Communications (ECOC) (01.12.2020)
Published in 2020 European Conference on Optical Communications (ECOC) (01.12.2020)
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Conference Proceeding
Laser-Assisted Bonding Approach for Photonic Integration Processes
Vlasov, Aleksandr A., Uusitalo, Topi, Lepukhov, Evgenii, Virtanen, Heikki, Ojanen, Samu-Pekka, Viheriala, Jukka, Guina, Mircea
Published in 2023 24th European Microelectronics and Packaging Conference & Exhibition (EMPC) (11.09.2023)
Published in 2023 24th European Microelectronics and Packaging Conference & Exhibition (EMPC) (11.09.2023)
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Conference Proceeding
Purcell-enhanced single-photon emission from InAs/GaAs quantum dots coupled to broadband cylindrical nanocavities
Chellu, Abhiroop, Bej, Subhajit, Wahl, Hanna, Kahle, Hermann, Uusitalo, Topi, Hytönen, Roosa, Rekola, Heikki, Lang, Jouko, Schöll, Eva, Hanschke, Lukas, Kallert, Patricia, Kipp, Tobias, Strelow, Christian, Tuominen, Marjukka, Jöns, Klaus D, Karvinen, Petri, Niemi, Tapio, Guina, Mircea, Hakkarainen, Teemu
Year of Publication 16.07.2024
Year of Publication 16.07.2024
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Journal Article
Laser-Assisted Bonding Prototype Equipment for Hybrid Integration of Silicon Photonic Circuits
Vlasov, Aleksandr, Uusitalo, Topi, Lepukhov, Evgenii, Virtanen, Heikki, Ojaneu, Samu-Pekka, Viheriala, Jukka, Guina, Mircea
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26.06.2023)
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26.06.2023)
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Conference Proceeding
Ultrafast Non-Classical Light Sources Based on Single InAs/GaAs Quantum Dot Embedded in a Hybrid Plasmonic Nanopillar Cavity
Hakkarainen, Teemu, Chellu, Abhiroop, Bej, Subhajit, Hulkkonen, Hanna, Hytonen, Roosa, Rekola, Heikki, Uusitalo, Topi, Kahle, Hermann, Karvinen, Petri, Niemi, Tapio, Guina, Mircea
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26.06.2023)
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26.06.2023)
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Conference Proceeding