Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Jozef Chovan"'
Autor:
Jozef Chovan, Frantisek Uherek, Radoslav Kurinec, Alexander Satka, Jozef Pavlov, Dana Seyringer
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 9, Iss 3, Pp 143-149 (2011)
In this paper we report on the experimental test set-up for the temperature characterization of optical multiplexers/demultiplexers in the C - telecommunication band. Particularly the temperature change of transmission parameters like polarization de
Externí odkaz:
https://doaj.org/article/466873f5b9054d788139899650a33024
Publikováno v:
22nd Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14ee2ee574362467abd5744335206280
https://doi.org/10.1117/12.2662002
https://doi.org/10.1117/12.2662002
Autor:
Daniel Haško, M. Tomaska, Lenka Gajdosova, Eduard Koza, Jozef Pavlov, Jozef Chovan, Dana Seyringer, Frantisek Uherek
Publikováno v:
Fiber and Integrated Optics. 39:24-38
Progress in integrated photonics enables development of photonics integrated circuits (PIC) with new unique properties and overcomes current limits in information and communication technologies. Th...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9c24b9f697ddd5e2cc02b51fc206140
https://doi.org/10.1080/01468030.2020.1717018
https://doi.org/10.1080/01468030.2020.1717018
Autor:
Michal Mego, Barbora Kasperova, Jozef Chovanec, Radoslav Danis, Maria Reckova, Branislav Bystricky, Peter Konkolovsky, Silvia Jurisova, Stefan Porsok, Vladimir Vaclav, Maria Wagnerova, Marian Stresko, Bibiana Brezinova, Dagmar Sutekova, Sona Ciernikova, Daniela Svetlovska, Lubos Drgona
Publikováno v:
Frontiers in Oncology, Vol 14 (2024)
BackgroundProbiotics could decrease irinotecan-induced diarrhea due to the reduction of intestinal beta-d-glucuronidase activity. This study included a combined analysis of two clinical trials aimed to determine the effectiveness of the probiotics in
Externí odkaz:
https://doaj.org/article/a354ee21b09e4bb193c6e70534c8595d
Autor:
Frantisek Uherek, Jaroslav Kováč, Lubos Podlucky, Marian Vojs, Vlastimil Rehacek, Jozef Chovan
Publikováno v:
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA).
We have investigated the deposition and etching process of silicon oxynitride (SiON) films for optical waveguides on silicon wafer. SiON films were deposited using plasma-enhanced chemical vapor deposition (PECVD) system. Thickness, uniformity and re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bcd0092d15c78aaf455b69dce2f4a2f
https://doi.org/10.1109/radioelektronika49387.2020.9092431
https://doi.org/10.1109/radioelektronika49387.2020.9092431
Publikováno v:
Radioengineering, Vol 27, Iss 2, Pp 357-363 (2018)
Radioengineering. 2018 vol. 27, č. 2, s. 357-363. ISSN 1210-2512
Radioengineering. 2018 vol. 27, č. 2, s. 357-363. ISSN 1210-2512
Photonic Integrated Circuits allow to meet the increasing demand of communication systems for internet which is growing at about 40% per year. This growth is driven mainly by increasing video traffic in the internet network. This growth is now furthe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf098d9ed819328c021cf412ea2b3107
https://www.radioeng.cz/fulltexts/2018/18_02_0357_0363.pdf
https://www.radioeng.cz/fulltexts/2018/18_02_0357_0363.pdf
Autor:
Frantisek Uherek, Jozef Pavlov, Dana Seyringer, Daniel Haško, Jozef Chovan, Eduard Koza, Lenka Gajdosova, M. Tomaska
Publikováno v:
2019 International Workshop on Fiber Optics in Access Networks (FOAN).
Progress in integrated photonics enables development of integrated photonics circuits with new unique properties, circuits of the future, and overcomes current limits in information and communication technologies. The packaging of photonic integrated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55f69fd1fa92b8136f9c4bcc4cd4f8a6
https://doi.org/10.1109/foan.2019.8933777
https://doi.org/10.1109/foan.2019.8933777
Publikováno v:
ICTON
This paper presents design, simulation and optimization of 1×8 Y-branch power splitters based on Si/SiO 2 /SiN/SiO x material platform. For the designs, two different waveguide structures were used, i.e. ridge and rib waveguides. The splitters were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8cc187afcf2373435865c6873d5df20
https://doi.org/10.1109/icton.2019.8840394
https://doi.org/10.1109/icton.2019.8840394
Publikováno v:
2018 12th International Conference on Advanced Semiconductor Devices and Microsystems (ASDAM).
We present the design and simulation of $1\times 8 Y$ -branch optical splitter based on silicon nitride waveguide platform. The simulations were performed for operating wavelength of $\lambda=850nm$ applying RSoft photonics tool. The designed optical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be86b4b0f99fa910ba7decf6aa70c176
https://doi.org/10.1109/asdam.2018.8544615
https://doi.org/10.1109/asdam.2018.8544615
Publikováno v:
ICTON
Slot waveguides are becoming more and more attractive optical components, especially for chemical and biochemical sensing. The problem of coupling light into the slot waveguides decreases performance of sensor systems with slot waveguide. We report o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2836971f4a0d174639b759e07eafd413
https://doi.org/10.1109/icton.2018.8473642
https://doi.org/10.1109/icton.2018.8473642