High-efficiency vertically-emitting chipsets for 3D and proximity sensing

Autor: Jari Nikkinen, Petteri Uusimaa, V. Vilokkinen, Visa Kaivosoja, Soile Talmila, P. Melanen, Kostiantyn Nechay, Anna Filipchuk, Jari Sillanpää, Riina Ulkuniemi, Riina Hietikko, Timo Hartikainen

Publikováno v: High-Power Diode Laser Technology XIX.

Vertical-cavity surface-emitting lasers (VCSELs) have just recently started generating a lot of interest as the illumination source in the multitude of commercial applications. VCSELs capability to provide narrow spectrum emission with low temperatur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::084b460e8fd05ecf6f2e9f2491189a41
https://doi.org/10.1117/12.2577229

High temperature AlGaInAs-based 25g DML-DFB lasers operating in O-band for data center use

Autor: Ossi Mäkinen, Luukas Kuusela, Riina Ulkuniemi, V. Vilokkinen, Pekko Sipilä, Antti Saarela, Petteri Uusimaa, P. Melanen

Publikováno v: Metro and Data Center Optical Networks and Short-Reach Links IV.

Hyperscale datacenters are driving the growth of datacom laser diode market. Small wavelength drift over temperature, small footprint and low power consumption makes directly modulated distributed feedback (DFB) lasers ideal for uncooled operation in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a567a1e5648d3e0d97c520a1a177fa79
https://doi.org/10.1117/12.2578257

Separate phase-locking and coherent combining of two laser diodes in a Michelson cavity (Orale)

Autor: V. Vilokkinen, G. Erbert, Petteri Uusimaa, Gaëlle Lucas-Leclin, S. N. Kaunga-Nyirenda, Ioana Doyen, S. Bull, P. Melanen, Sylvie Janicot, Paul Crump, Eric C. Larkins, Marc Hanna, G. Schimmel, Patrick Georges, Lourdes Patricia Ramirez, J. Decker

Publikováno v: Proc. SPIE
Photonics West 2015, LASE, Conference on High-Power Diode Laser Technology and Applications XIII
Photonics West 2015, LASE, Conference on High-Power Diode Laser Technology and Applications XIII, Feb 2015, San Francisco, United States. pp.93480P, ⟨10.1117/12.2079314⟩

International audience; We describe a new coherent beam combining architecture based on passive phase-locking of two laser diodes in a Michelson external cavity on their rear facet, and their coherent combination on the front facet. As a proof-of-pri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::495ea0066a7894a61bc184e04dd6455d
https://hal-iogs.archives-ouvertes.fr/hal-01256921/document

Red vertical-cavity surface-emitting lasers grown by solid-source molecular beam epitaxy

Autor: P. Savolainen, S. Orsila, P. Melanen, M. Pessa, Mika Toivonen, Mika J. Saarinen, V. Vilokkinen, Petteri Uusimaa, N. Xiang

Publikováno v: Journal of Crystal Growth. :324-328

Plastic optical fibres, which have a local attenuation minimum at 650 nm, have attracted much interest for low-cost short-haul communication systems. Red vertical-cavity surface-emitting lasers (VCSELs) provide a potential solution as light sources f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7bc5c8d4b3cde6d19df97ce388a6380
https://doi.org/10.1016/s0022-0248(01)00714-x

Growth of resonant cavity quantum well light emitting diodes and two-junction solar cells by solid source molecular beam epitaxy

Autor: V. Vilokkinen, Mika Toivonen, Markus Pessa, P. Melanen, Pekka Savolainen, J Haapamaa, Mika J. Saarinen, Petteri Uusimaa, S. Orsila, Pekko Sipilä

Publikováno v: Thin Solid Films. 367:260-266

Monolithic resonant cavity light emitting diodes (RCLED's) for room temperature operation at 650–670 nm and 850–880 nm wavelengths and double-junction GaInP/GaAs solar cells have been designed and grown using a toxic-gas-free solid-source molecul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::432ddf1e18b3cf95cb474ea7db0ec1d1
https://doi.org/10.1016/s0040-6090(00)00706-9