Zobrazeno 1 - 10
of 693
pro vyhledávání: '"Mircea Guina"'
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 4, Pp 1-9 (2024)
The use of vertical-cavity-surface-emitting lasers with ability to operate at cryogenic temperatures (Cryo-VCSELs) is a promising path to implement optical data links between superconducting processors maintained in cryogenic environments (4 K range)
Externí odkaz:
https://doaj.org/article/322f34ebd4cf4162b285df87e60ab605
Autor:
Tristan Smołka, Michał Rygała, Joonas Hilska, Janne Puustinen, Eero Koivusalo, Mircea Guina, Marcin Motyka
Publikováno v:
ACS Omega, Vol 8, Iss 39, Pp 36355-36360 (2023)
Externí odkaz:
https://doaj.org/article/d001e5f10c1f4db7be47552636f5d420
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 5, Pp 1-10 (2023)
Current development trends concerning miniaturizing of electronics and photonics systems are aiming at assembly and 3D co-integration of a broad range of technologies including MEMS, microfluidics, wafer level optics, multilayered structures with thr
Externí odkaz:
https://doaj.org/article/d706ab263b9a4610950dffd7f4e95bc6
Autor:
Lucie Leguay, Abhiroop Chellu, Joonas Hilska, Esperanza Luna, Andrei Schliwa, Mircea Guina, Teemu Hakkarainen
Publikováno v:
Materials for Quantum Technology, Vol 4, Iss 1, p 015401 (2024)
Epitaxially-grown semiconductor quantum dots (QDs) provide an attractive platform for the development of deterministic sources of high-quality quantum states of light. Such non-classical light sources are essential for quantum information processing
Externí odkaz:
https://doaj.org/article/eb0687530f45492eb3dd6a1f656096b9
Autor:
Marcelo Rizzo Piton, Teemu Hakkarainen, Joonas Hilska, Eero Koivusalo, Donald Lupo, Helder Vinicius Avanço Galeti, Yara Galvão Gobato, Mircea Guina
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-7 (2019)
Abstract The performance of Ohmic contacts applied to semiconductor nanowires (NWs) is an important aspect for enabling their use in electronic or optoelectronic devices. Due to the small dimensions and specific surface orientation of NWs, the standa
Externí odkaz:
https://doaj.org/article/f5a3ec259f604fb490c08b3066b39099
Autor:
Philipp Tatar-Mathes, Hoy-My Phung, Aaron Rogers, Patrik Rajala, Sanna Ranta, Mircea Guina, Hermann Kahle
Publikováno v:
IEEE Photonics Technology Letters. 35:657-659
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38b7f2a62b4bc9fe5a723669c55f4a3a
https://doi.org/10.1109/lpt.2023.3270404
https://doi.org/10.1109/lpt.2023.3270404
Autor:
Grigore Leahu, Emilija Petronijevic, Alessandro Belardini, Marco Centini, Roberto Li Voti, Teemu Hakkarainen, Eero Koivusalo, Mircea Guina, Concita Sibilia
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract III–V semiconductors nanowires (NW) have recently attracted a significant interest for their potential application in the development of high efficiency, highly-integrated photonic devices and in particular for the possibility to integrate
Externí odkaz:
https://doaj.org/article/840af710bd904be3b269dffad5f0adb5
Autor:
Patrik Rajala, Mircea Guina, Aaron Rogers, Hermann Kahle, Hoy-My Phung, Sanna Ranta, Philipp Tatar-Mathes
Publikováno v:
IEEE Journal of Quantum Electronics
Membrane external-cavity surface-emitting lasers (MECSELs) have great potential of power scaling owing to the possibility of double-side cooling and a thinner active structure. Here, we systematically investigate the limits of heat transfer capabilit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ca1feb4ea80fe5c21967516d4428c83
https://doi.org/10.1109/jqe.2022.3147482
https://doi.org/10.1109/jqe.2022.3147482
Autor:
Samu‐Pekka Ojanen, Jukka Viheriälä, Nouman Zia, Eero Koivusalo, Joonas Hilska, Heidi Tuorila, Mircea Guina
Publikováno v:
Laser & Photonics Reviews.
Photonic integrated circuits fabricated using a Si3N4 waveguide platform exhibit low losses in a wide wavelength region extending from visible to beyond 2 µm. This feature is exploited to demonstrate a high-performance integrated laser exhibiting br
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af4ae8611e1d003fc0895594203daf17
https://doi.org/10.1002/lpor.202201028
https://doi.org/10.1002/lpor.202201028
Autor:
Alessandro Belardini, Grigore Leahu, Emilija Petronijevic, Teemu Hakkarainen, Eero Koivusalo, Marcelo Rizzo Piton, Soile Talmila, Mircea Guina, Concita Sibilia
Publikováno v:
Micromachines, Vol 11, Iss 2, p 225 (2020)
Optical circular dichroism (CD) is an important phenomenon in nanophotonics, that addresses top level applications such as circular polarized photon generation in optics, enantiomeric recognition in biophotonics and so on. Chiral nanostructures can l
Externí odkaz:
https://doaj.org/article/d2ee7b84975c495b87ceea0a2303b7c6