Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Berta Neto"'
Publikováno v:
IET Optoelectronics. 13:67-71
The authors propose a 2 × 2 asymmetric adiabatic coupler (AAC) indium phosphide (InP) photonic integrated circuit (PIC), suitable for tunable power applications such as all-optical data processing. The device was idealised as the key building block
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcd37dd19f04e4c499cb157107eef619
https://doi.org/10.1049/iet-opt.2018.5084
https://doi.org/10.1049/iet-opt.2018.5084
We investigate the feasibility of low-cost, compact optical filtering for NG-PON2 based on thermally-tuned thin film filters. By considering several contrasting designs in a comparative assessment of their optical performance, complexity, tuning time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5dbe3e4d5143cd0dc37351f571eba450
Publikováno v:
ICTON
Due to the small footprint and good performance, the Multimode Interference (MMI) structures are building blocks with significant importance in the design of Photonic Integrated Circuits (PICs). These devices have many applications and their use as s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b579670cdde3e9203907db433294a409
https://doi.org/10.1109/icton.2018.8473958
https://doi.org/10.1109/icton.2018.8473958
Publikováno v:
ICTON
We propose the design of a Magic-T based on a 2×2 Multimode Interference (MMI) coupler with tapered inputs and output waveguides that achieve phase shifts of -π/2 relative to the other port. This device is suitable for organic-inorganic hybrid mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::893d4785ff99c3ef6144a752f96c52e8
https://doi.org/10.1109/icton.2018.8473995
https://doi.org/10.1109/icton.2018.8473995
Publikováno v:
ICTON
We propose a solution for fixed phase shifting in Photonic Integrated Circuits (PICs) based on 1x1 Multi-Mode Interference (MMI) with potential cost-effective production. Fixed phase shifting is essential in the design of a large number of building b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4003ccd9875ae33a7b1375ab58bbe64a
https://doi.org/10.1109/icton.2018.8474011
https://doi.org/10.1109/icton.2018.8474011
Publikováno v:
Frontiers in Optics / Laser Science.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d4e181aea23fe10bdd8588702dec263
https://doi.org/10.1364/fio.2018.jtu3a.88
https://doi.org/10.1364/fio.2018.jtu3a.88
Autor:
Berta Neto, J. Pinho, Antônio Lúcio Teixeira, Ali Shahpari, Natasa B. Pavlovic, Zoran Vujicic, A. Barros
Publikováno v:
ECOC
The SRS induced impairments due to coexistence of UDWDM-PON and GPON technologies are assessed both experimentally and by simulation, targeting a spectral optimization of UDWDM-PON. Additional coexistence with XG-PON and RF video is presented for sev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c89df0202a86d35eb95cae80e5371473
https://doi.org/10.1109/ecoc.2017.8346022
https://doi.org/10.1109/ecoc.2017.8346022
Autor:
Tiago Morgado, Mário Lima, Francisco Rodrigues, Berta Neto, Ali Shahpari, Antônio Lúcio Teixeira, Cátia Pinho
Publikováno v:
ICTON
In this paper is presented a new multi-mode interference MMI polarization splitter for Photonic Integrated Circuits PICs. It was designed using the Fraunhofer Heinrich-Hertz-Institut (HHI) commercial multilayer waveguide in Fe doped InP E1700. The ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::872850f88089cb89cff8388166c96bff
https://doi.org/10.1109/icton.2017.8024841
https://doi.org/10.1109/icton.2017.8024841
Autor:
Natasa B. Pavlovic, Antônio Lúcio Teixeira, Berta Neto, Ricardo Bastos, Ali Shahpari, M. M. M. Ribeiro, Zoran Vujicic, Somayeh Ziaie, Ricardo B. Ferreira, A. Tavares, Álvaro J. Almeida
Publikováno v:
2016 18th International Conference on Transparent Optical Networks (ICTON).
An overview of several candidate architectures for 100 Gb/s capable optical access networks is presented. Considerations for their system requirements are outlined in regards to performance, cost and energy efficiency, towards addressing the design i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd2bc791dfe34ab416cedc066e2f17a4
https://doi.org/10.1109/icton.2016.7550683
https://doi.org/10.1109/icton.2016.7550683
Autor:
João C. W. A. Costa, Marcelo E. V. Segatto, Paulo André, Andrés Pablo López Barbero, Orlando Frazão, Ana M. Rocha, Berta Neto, José Baptista, Henrique M. Salgado, M. T. M. Rocco Giraldi, M. A. G. Martinez, Maria José Pontes, Antônio Lúcio Teixeira
Publikováno v:
Microwave and Optical Technology Letters. 54:1403-1407
This article analyzes experimentally the limitations observed in a 45 km Raman amplified 4 × 40 Gb/s transmission system operating under multiple pump and single high pump power configurations. A signal-to-noise ratio of 19.2 dB, an extinction ratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43fda0e048420aaa36487ceba3a2ba5f
https://doi.org/10.1002/mop.26827
https://doi.org/10.1002/mop.26827