Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Abd El-Naser A. Mohammed"'
Autor:
I.S. Amiri, Fatma Mohammed Aref Mahmoud Houssien, Ahmed Nabih Zaki Rashed, Abd El-Naser A. Mohammed
Publikováno v:
Results in Physics, Vol 14, Iss , Pp - (2019)
In this paper, the influences of thermal and spectral variations on various structures of avalanche photodiodes (APDs) have been deeply investigated. The characteristics and performance of Silicon (Si), Gallium Arsenide (GaAs) and Indium Gallium Arse
Externí odkaz:
https://doaj.org/article/42b05d73abb74bf884da068fb45ea9a4
Publikováno v:
Results in Physics, Vol 13, Iss , Pp - (2019)
The recent progress in optical computing outlines the fact that electronic computing has almost failed to cope with the international optical computation and communication traffic demand. Thanks to the non-linear material (NLM) which pave the way to
Externí odkaz:
https://doaj.org/article/3da4c2dc47d94183bb2034f99c5c183a
Publikováno v:
Menoufia Journal of Electronic Engineering Research. 29:32-40
The performance of the dense wavelength division multiplexing (DWDM) network is severely limited by the chromatic dispersion. So, it is crucial to mitigate and compensate this dispersion. In this paper, the different dispersion compensation technique
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a805ef813dd904e56e8d0753aa792ac4
https://doi.org/10.21608/mjeer.2020.103269
https://doi.org/10.21608/mjeer.2020.103269
Publikováno v:
Menoufia Journal of Electronic Engineering Research. 29:57-63
This paper has presented the effect of erbium doped fiber amplifier (EDFA) as a pre and post amplifier in intersatellite wireless optical communication system and it is compared with semiconductor optical amplifier (SOA) as pre and post amplifiers in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72f94b04a05e1768db8995c18068e772
https://doi.org/10.21608/mjeer.2020.103273
https://doi.org/10.21608/mjeer.2020.103273
Autor:
Ahmed Nabih Zaki Rashed, Ehab Salah El-din, Abd El-Naser A. Mohammed, Iraj Sadegh Amiri, P. P. Yupapin
Publikováno v:
Journal of Optical Communications. 44:43-51
This study has presented spatial continuous wave laser and spatiotemporal vertical cavity surface emitting laser (VCSEL) for high speed long haul optical wireless communication channels. Possible data rates range from 40 Gb/s to 250 Gb/s over propaga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26a516d0c319c9a9e8d5481be327aa28
https://doi.org/10.1515/joc-2019-0061
https://doi.org/10.1515/joc-2019-0061
Autor:
Ahmed Nabih Zaki Rashed, Vishal Sorathiya, Hasin Rehana, Mahmoud M. A. Eid, Ismail A. Abd El-Aziz, Sunil Lavadiya, Sayed Asaduzzaman, Abd El-Naser Ali Mohammed Ibrahim
Publikováno v:
Journal of Optical Communications.
Radio over fiber (ROF) technique has been presented with hybrid ordinary modulation technology to achieve improvement in optical communication network performance. Fiber Bragg grating (FBG) is employed in single mode (SM) optical channel in order to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ddcb38c8631fe9ae908f7e636412e4d
https://doi.org/10.1515/joc-2021-0061
https://doi.org/10.1515/joc-2021-0061
Publikováno v:
Journal of Optical Communications.
The signal gain is improved by nearly about 15 dB by using the hybrid optical amplifiers technique. The gain flattened filter technique has outlined a larger value of signal gain than the hybrid optical amplifiers technique by about 17 dB whereas the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc1c449e431832db8d68c63c3ddbb2a6
https://doi.org/10.1515/joc-2021-0017
https://doi.org/10.1515/joc-2021-0017
Publikováno v:
Journal of Optical Communications.
This work outlines 80-channel wavelength multiplexing that has been developed with optimum length-based erbium-doped fiber amplifier (EDFA) with dispersion-compensated fiber. This paper has presented different fiber mediums with different effective a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fb89e532d19ed9d70d3e0c9450a8858
https://doi.org/10.1515/joc-2020-0302
https://doi.org/10.1515/joc-2020-0302
Autor:
Ashraf S. Seliem, Ahmed Nabih Zaki Rashed, Mohamed Yassin Ali, Mahmoud M. A. Eid, Shaimaa S. Abaza, Abd El-Naser A. Mohammed
This study has outlined the fiber bragg grating (FBG) temperature sensors signal processing for data communications by using OptiGrating simulation software. The reflectivity of the silica and sapphire fiber grating spectrum is reported against the g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90da8a7023d0eaa5c745154070aaa8f7
https://zenodo.org/record/7073864
https://zenodo.org/record/7073864
Autor:
Shaimaa S. Abaza, Mohamed Yassin Ali, Abd El-Naser A. Mohammed, Mahmoud M. A. Eid, Ahmed Nabih Zaki Rashed, Ashraf S. Seliem
The work has presented duobinary modulation and predistortion techniques for the radio over fiber system enhancement for achieving security level. Duobinary modulation technique has more compact modulated spectral linewidth with standard non return t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d80d9fc8eca708d3a4dd8188b29b5a76
https://zenodo.org/record/7069969
https://zenodo.org/record/7069969