Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Ulysses Rondina Duarte"'
Autor:
Ulysses Rondina Duarte
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Transmissores agnósticos em comprimento de onda colorless [1], isto é, transmissores que não estão restritos à operação em um único comprimento de onda, são considerados como um dos pré-requisitos para os projetos de redes ópticas passivas
Autor:
Ulysses Rondina Duarte
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
A disponibilização de fontes ópticas multi-comprimento de onda de baixo custo certamente é um dos aspectos fundamentais para viabilizar a implantação de redes WDMPON (Wavelength Division Multiplexing-Passive Optical Network). Na literatura, sã
Autor:
Thiago R. Raddo, Anderson L. Sanches, Murilo Loiola, Rafael Vinicius Tayette da Nobrega, Luiz A. Neto, Ulysses Rondina Duarte, Ivan Glesk
Publikováno v:
Advanced Photonics Congress 2021
University of Strathclyde
University of Strathclyde
This work addresses a transmitter based on a RTD oscillator operating at 1.03 THz supporting output power and capacity as high as 0.84 mW and 0.15 Tb/s whilst achieving a 7- meter THz link reach.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::978145de1efcc1780263922192f259cd
https://strathprints.strath.ac.uk/77657/1/Nobrega_etal_OSA_APC_2021_Performance_evaluation_of_high_capacity_RTD.pdf
https://strathprints.strath.ac.uk/77657/1/Nobrega_etal_OSA_APC_2021_Performance_evaluation_of_high_capacity_RTD.pdf
Autor:
Rafael Vinicius Tayette da Nobrega, Thiago R. Raddo, Murilo Loiola, Ulysses Rondina Duarte, Anderson L. Sanches
Publikováno v:
2021 Fourth International Workshop on Mobile Terahertz Systems (IWMTS).
Suitable power levels remain constant challenges in terahertz (THz) communications. This work analytically investigates a 1.94 THz resonant tunneling diode-gated high-electron mobility transistor (RTD-gHEMT)-based oscillator along with a graphene ant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e187da9872ed6b60a3f78cdc2bbc440
https://doi.org/10.1109/iwmts51331.2021.9486829
https://doi.org/10.1109/iwmts51331.2021.9486829
Autor:
Rafael Vinicius Tayette da Nobrega, Ivan Glesk, Anderson L. Sanches, Murilo Loiola, Thiago R. Raddo, Ulysses Rondina Duarte
Publikováno v:
LATINCOM
The data rates which can be processed by integrated communication systems are increasing as the CMOS process and photonic technologies scale. Emerging bandwidth-hungry applications demand new solutions based on terahertz (THz) systems. This work prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d41a2d02219ca5a5175653a5bb26073
https://strathprints.strath.ac.uk/75012/1/Nobrega_etal_IEEE_Latincom_2020_Performance_analysis_of_a_nanocolumn_RTD_VCO_for_emerging_THz.pdf
https://strathprints.strath.ac.uk/75012/1/Nobrega_etal_IEEE_Latincom_2020_Performance_analysis_of_a_nanocolumn_RTD_VCO_for_emerging_THz.pdf
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
In this work, we investigated a novel wavelength division multiplexing passive optical network (WDM-PON) configuration, based on cascaded reflective semiconductor optical amplifiers (RSOA) data erasure for combined self-seeding and wavelength reuse.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8085e5f86f92307672ddd57a7ed3bb03
Autor:
Anderson L. Sanches, Shyqyri Haxha, Iyad Dayoub, Rafael Vinicius Tayette da Nobrega, Ulysses Rondina Duarte, Antonio Jurado-Navas, Murilo Loiola, Thiago R. Raddo
Publikováno v:
Scopus-Elsevier
Signal Processing in Photonic Communications
Signal Processing in Photonic Communications, 2020, Washington, France. SpM3I.2, ⟨10.1364/SPPCOM.2020.SpM3I.2⟩
OSA Technical Digest, proceedings of Signal Processing in Photonic Communications 2020
OSA Technical Digest, proceedings of Signal Processing in Photonic Communications 2020, Jul 2020, Washington, United States. SpM3I.2, ⟨10.1364/SPPCOM.2020.SpM3I.2⟩
Signal Processing in Photonic Communications
Signal Processing in Photonic Communications, 2020, Washington, France. SpM3I.2, ⟨10.1364/SPPCOM.2020.SpM3I.2⟩
OSA Technical Digest, proceedings of Signal Processing in Photonic Communications 2020
OSA Technical Digest, proceedings of Signal Processing in Photonic Communications 2020, Jul 2020, Washington, United States. SpM3I.2, ⟨10.1364/SPPCOM.2020.SpM3I.2⟩
Session SpM3I - devices and components, SpM3I.2ISBN 978-194358079-8; International audience; A 4.8 THz RTD oscillator with integrated tunable graphene antenna with 1 mW (0 dBm) power transmissions is proposed. This device is a candidate to generate T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f225d74428a7b6a7ce3cde3d0f80fdca
https://doi.org/10.1364/sppcom.2020.spm3i.2
https://doi.org/10.1364/sppcom.2020.spm3i.2
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 17, Iss 4, Pp 552-566
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.17 n.4 2018
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.17 n.4 2018
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO
WDM-PON has been considered a promising solution for future fronthaul links concerning new mobile networks applications. However, in order to avoid inventory problems and reduce operation costs, there is a need for colorless sources, where the same b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b737d0fdaeba22ea60784a904607d55
https://doi.org/10.1590/2179-10742018v17i41546
https://doi.org/10.1590/2179-10742018v17i41546
Publikováno v:
Fiber and Integrated Optics. 37:205-218
This paper proposes a method to monitor the operation performance of reflective semiconductor optical amplifier (RSOA)-based optical network units (ONUs) in wavelength-reuse wavelength-divi...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aef61c6811ac6064b4ac0154b9e4a116
https://doi.org/10.1080/01468030.2018.1470271
https://doi.org/10.1080/01468030.2018.1470271
Autor:
Ivan Glesk, Murilo Loiola, Ulysses Rondina Duarte, Rafael Vinicius Tayette da Nobrega, Anderson L. Sanches, Thiago R. Raddo
Publikováno v:
21st International Conference on Transparent Optical Networks, ICTON 2019
21st International Conference on Transparent Optical Networks (ICTON 2019)
University of Strathclyde
ICTON
21st International Conference on Transparent Optical Networks (ICTON 2019)
University of Strathclyde
ICTON
In this paper, it is presented a comprehensive analysis of three optoelectronic oscillators circuits based on resonant-tunneling diodes (RTD) for promising applications in terahertz frequency (THz) range. For all cases, it is investigated how each of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fecb567a6a61bd97b7632320612c874b
https://research.tue.nl/nl/publications/ee0a4033-a9c0-4be0-a052-6b42971a0300
https://research.tue.nl/nl/publications/ee0a4033-a9c0-4be0-a052-6b42971a0300