Search Results - "Abbade, Marcelo L. F."

An all-optical OCDMA encoder with simultaneous signal regeneration based on fiber four-wave mixing by Galdino, Lidia, Abbade, Marcelo L. F., Bonani, L. H., Marconi, Jorge D., Fragnito, Hugo L., Moschim, Edson

“…A new all‐optical optical code division multiple access encoder that simultaneously regenerates input signals is proposed and experimentally investigated. The…”
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Discrete Spectral Encryption of Single-Carrier Signals With Pseudo Random Dynamic Keys by Abbade, Marcelo L. F., Souza, Welerson S., Santos, Melissa O., Rodrigues, Ivan E. L., Aldaya, Ivan, Bonani, Luiz. H., Romero, Murilo A.

“…Physical layer security is a crucial step towards fully secure communications systems. The flexibility and ubiquity of digital signal processors in modern…”
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Ultra-broadband two-pump optical parametric amplifier in tellurite waveguides with engineered dispersion by Marconi, Jorge D, Abbade, Marcelo L F, Serpa-Imbett, Claudia M, Fagotto, Eric A M

“…The capacity of communication networks may be significantly improved by simply enhancing the optical amplifier bandwidth. This paper presents a numerical…”
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DSP-Based Multi-Channel Spectral Shuffling Applied to Optical Networks by Abbade, Marcelo L. F., Nogueira, Marcelo P., Santos, Melissa O., Fagotto, Eric A. M., Bonani, Luiz H., Aldaya, Ivan

“…We propose a novel digital signal processing (DSP) technique that encrypts multiple baseband signals by dividing them into several spectral slices, which are…”
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Mitigation of nonlinear phase noise in single-channel coherent 16-QAM systems employing logistic regression by de Paula, Rômulo A., Marim, Lucas, Penchel, Rafael A., Bustamante, Yésica R. R., Abbade, Marcelo L. F., Perez-Sanchez, Grethell, Aldaya, Ivan

“…We propose and analyze a classifier based on logistic regression (LR) to mitigate the impact of nonlinear phase noise (NPN) caused by Kerr-induced…”
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Compact Narrowband Optical Filter Based on Ring Ressonators in Silicon Photonics by Martins, Claudinei, A. M. Fagotto, Eric, L. F. Abbade, Marcelo

“…In this paper, we present and discuss a new proposal for narrowband optical band pass filters based on asymmetric ring resonators in silicon. We carried out…”
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Optimization of mean inter-element distance in aperiodic sparse linear phased array antennas by Aldaya, Ivan, Dias, Bruna, Santos, Mirian P., de Oliveira, Jose A., Abbade, Marcelo L. F., Penchel, Rafael A.

“…Sparse linear arrays are attractive when high directivity and low cost should be simultaneously achieved, when near field coupling must be avoided, or when…”
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Mathematical expression of the bit error ratio in terms of the SNR and laser linewidths in digital coherent optical communication systems by Rehder, Lucas, Zanitti, Debora Beatriz Claro, Benedito, Cintya W. O., De Oliveira, Jose Augusto, Dos Santos, Mirian, Penchel, Rafael A., Sanchez, Grethell Perez, Abbade, Marcelo L. F., Aldaya, Ivan

“…The development of high speed digital signal processors has enabled the migration from previous direct detection systems to digital coherent optical…”
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Ultrabroadband Wavelength Conversion with Tellurite Waveguides by Fagotto, Eric A. M., Bonani, Luiz H., Abbade, Marcelo L. F., Marconi, Jorge D., Miranda, Uriel R. C., Aldaya, Ivan, Rossi, Sandro M., Galdino, Lidia, Martins, Indayara B.

“…In this work, we propose and investigate numerically a two-stage one-pump four-wave mixing (FWM) device for guard-band-less wavelength conversion. This device…”
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Nonlinear phase noise compensation in single-span digital coherent optical systems employing artificial neural networks by da Silva, Lucas Marim, de Paula, Romulo, de Oliveira, Jose Augusto, Santos, Mirian, Penchel, Rafael, Perez, Grethell G., Abbade, Marcelo L. F., Aldaya, Ivan

“…As digital coherent technology gets mature and its cost reduces, it is becoming a competitive solution for future implementations of high-capacity long-reach…”
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Impact of wideband wavelength conversion on the performance of optical networks by Fagotto, Eric A.M., Bonani, Luiz H., Rossi, Sandro M., Marconi, Jorge D., Abbade, Marcelo L.F., Aldaya, Ivan, Miranda, Uriel R.C., Belançon, Marcos P.

“…In this paper, it is proposed and numerically tested a 4 −THz guard-band-less integrated all-optical wavelength converter (iAOWC) with two four-wave mixing…”
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Self-phase modulation and inter-polarization cross-phase modulation mitigation in single-channel DP-16QAM coherent PON employing 4D clustering by Costa, Camila, Borges, Lucio, Penchel, Rafael A., Abbade, Marcelo L.F., Giacoumidis, Elias, Wei, Jinlong, de Oliveira, Jose A., Santos, Mirian, Li, Shi, Richter, André, Marconi, Jorge D., Pita, Julián L., Aldaya, Ivan

“…Digital coherent reception has emerged as a potential solution for 100 Gbps passive optical networks (PONs). In this paper, we propose and analyze the…”
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Double all-optical encryption of M-QAM signals based on spectrally sliced encoding keys by Abbade, Marcelo L. F., Cvijetic, Milorad, Messani, Carlos A., Alves, Cleiton J., Tenenbaum, Stefan

“…The ever-growing demand for optical network security can be addressed by data encryption at different network layers. In this work, we consider all-optical…”
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A new elastic optical network defragmentation strategy based on the reallocation of lightpaths sharing the most fragmented link by Favero, Ricardo V., Marcal, Juliano S., Silva, Paulo C. B., Bonani, Luiz H., Abbade, Marcelo L. F.

“…In this paper, we propose and analyze a new defragmentation strategy for elastic optical networks (EON). Such strategy is based on the cyclical identification…”
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Implementation and performance investigation of radio-over-fiber systems in wireless sensor networks by Lona, Daniel G., Assumpção, Raphael M., Branquinho, Omar C., Abbade, Marcelo L.F., Hernández-Figueroa, H. E., Sodré Jr, Arismar Cerqueira

“…We report the performance investigation and implementation of four different radio‐over‐fiber (ROF) systems as backhaul for wireless sensor networks based on…”
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Generation of quaternary-amplitude microwave signals by using a new optical heterodyne technique by Villena, A. T. P., Arismar Cerqueira Jr, S., Abbade, Marcelo L.F., Hernandez-Figueroa, H. E., Fragnito, Hugo L.

“…We propose and experimentally investigate a new technique, based on optical heterodyne generation, which converts two optical binary amplitude‐shift keyed…”
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SIR optimization in wavelength-hopping time spreading optical code routed networks by Durand, Fábio R., Abbade, Marcelo L.F., Moschim, Edson, Rudge, Felipe, Abrão, Taufik

“…In this work, we investigate the performance of a distributed power control algorithm (DPCA) for signal-to-interference (SIR) optimization in…”
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The effects of polarization mode dispersion on 2D wavelength-hopping time spreading code routed networks by Durand, Fábio R., Galdino, Lídia, Bonani, Luiz H., Barbosa, Felipe R., Abbade, Marcelo L. F., Moschim, Edson

“…In this study, we investigate the effects of multiple access interference (MAI) and polarization mode dispersion (PMD) in 2D wavelength-hopping time spreading…”
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All-optical phase and delay spectral encoding of signals with advanced modulation formats by Abbade, Marcelo L. F., Assis, Gustavo H., Alves, Cleiton J., Messani, Carlos A., Fagotto, Eric A. M., Cvijetic, Milorad

“…We have investigated the application of a new all-optical cryptography technique to advanced modulation signals. Such technique is based on two-stage encoding…”
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All-optical narrowband spectral slicing encryption with super-Gaussian filters by Martins, Claudinei, Messani, Carlos A., Alves, Cleiton J., Fagotto, Eric A. M., Abbade, Marcelo L. F.

“…Recent literature points out the benefits of encrypting signals in the physical layer to improve network security. In particular, a novel all-optical…”
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