Search Results - "Abbade, M."

Load balancing in fixed-routing optical networks with weighted ordering heuristics by Bonani, L. H., Queiroz, J. C. F., Abbade, M. L. F., Callegati, F.

“…In this paper we show that the adoption of a simple weighted ordering heuristic strategy to find fixed shortest path routes in a topology can improve…”
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All-optical demultiplexing of 4-ASK optical signals with four-wave mixing optical gates by Fagotto, E.A.M., Abbade, M.L.F.

“…A new all-optical technique to demultiplex quaternary-amplitude-shift keying (4-ASK) signals into two on–off keying (OOK) signals is proposed. We show that…”
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Field-Trial Evaluation of Cross-Layer Effect Caused by All-Optical Wavelength Converters on IP Network Applications by Abbade, M., Marconi, J.D., Cassiolato, R.L., Ishizuca, V., Fonseca, I.E., Fragnito, H.L.

“…Future Internet infrastructure will require the utilization of new all-optical devices able to enhance the use of fiber capacity. Nevertheless, before…”
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Field-trial evaluation of the Q-factor penalty introduced by fiber four-wave mixing wavelength converters by Marconi, J.D., Callegari, F.A., Abbade, M.L.F., Fragnito, H.L.

“…The performance of tunable all-optical wavelength converters based on four-wave mixing in optical fibers is experimentally tested in a field-trial network. Two…”
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Optical amplitude multiplexing through parametric amplification in optical fibers by Abbade, M.L.F., Costa, A.L.A., Barbosa, F.R., Durand, F.R., Marconi, J.D., Moschim, E.

“…We propose a new technique that uses parametric amplification in optical fibers to combine two binary signals into a single quaternary amplitude-shift keying…”
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All-optical cryptography through spectral amplitude and delay encoding by Abbade, M. L. F., Fossaluzza Jr, L. A., Messani, C. A., Taniguti, G. M., Fagotto, E. A. M., Fonseca, I. E.

“…All-optical data encryption is a promising technology that could lead communication systems to an unprecedented degree of security. In this paper we use…”
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The effects of multiple access interference and polarization mode dispersion on the outage probability and blocking probability in optical code paths by Durand, F.R., Barbosa, F.R., Abbade, M.L.F., Moschim, E.

“…ABSTRACT In this work, we investigate through a formal approach the effects of multiple access interference and polarization mode dispersion on the blocking…”
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Network Fragmentation Measure in Elastic Optical Networks by Bonani, L. H., Forghani-elahabad, M., Abbade, M. L. F.

“…The Elastic Optical Network (EON) with multirate transmission and supported by bandwidth-variable switching technologies has provided more efficient…”
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Experimental analysis of all-optical 4-ASK signal generation through parametric amplification by Marconi, J. D., Abbade, M. L. F., Costa, A. L. A., Moschim, E., Fragnito, H. L.

“…We present experimental results concerning a new alloptical technique that multiplexes two binary signals into a quaternary one (4-ASK). The technique is based…”
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Performance analysis of a Radio over Fiber system based on IEEE 802.15.4 standard in a real optical network by Cerqueira Sodré Jr, Arismar, e Silva, D. C. Valente, Fortes, M. A. Q. R., da Silva, L. F., Branquinho, O. C., Abbade, M. L. F.

“…We report on an implementation of a Radio over Fiber system based on IEEE 802.15.4 standard in a geographically distributed optical network. The system…”
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Quaternary optical packets generated by fiber four-wave mixing by Abbade, M.L.F., Fagotto, E.A.M., Braga, R.S., Barbosa, F.R., Moschim, E., Fonseca, I.E.

“…Recent work suggests that fiber four-wave mixing may be used to merge two wavelength multiplexed binary channels into a single quaternary signal. In this…”
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All-optical demultiplexing of quaternary amplitude signals with fiber-based optical gates by Fagotto, E.A.M., Abbade, M.L.F.

“…We propose an all-optical demultiplexing scheme for quaternary amplitude signals which employs fiber-based optical gates and we test it by simulations. Results…”
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ONSIM: The Optical Network Simulator for Hybrid Switching Paradigms by Bonani, L. H., Abbade, M. L. F., Queiroz, J. C. F.

“…The elastic optical network (EON) was proposed as a solution to avoid the spectrum waste in conventional WDM networks, since it improves the network…”
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Ultra-broadband all-optical wavelength conversion in tellurite waveguides with engineered dispersion by Marconi, J. D., Fagotto, E. A. M., Abbade, M. L. F.

“…An one-(1P) and a two-pump (2P) four-wave mixing ultra-broadband all-optical wavelength converter (AOWC), based on a tellurite waveguide, are proposed and…”
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Competition between FWM dynamics and modulational instability in dispersion shifted fibers by Moschim, E., Abbade, M.L.F., Fonseca, E.

“…In this letter, we analyze the relationship between four-wave mixing (FWM) and modulational instability (MI), using numerical simulations. Our results suggest…”
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Wavelength-shift-free all-optical 2R regeneration via four-wave mixing by Fagotto, E. A. M., Abbade, M. L. F.

“…A wavelength-shift-free all-optical FWM-fiber-based 2R regenerator was proposed and tested by simulations. By comparing the input and output Q-factors, we…”
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Wavelength shift-free all-optical 2R regenerator based on four-wave mixing by Fagotto, E. A. M., Abbade, M. L. F.

“…In this work we numerically investigated an all-optical 2R (reamplification and reshaping) regenerator based on four-wave mixing and implemented with two…”
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An all-optical OCDMA encoder with simultaneous signal regeneration based on cross-gain modulation in semiconductor optical amplifiers by Abbade, M. L. F., Galdino, L., Ribeiro, N. S., Marconi, J. D., Bonani, L. H., Moschim, E.

“…A new all-optical technique to convert on-off keying (OOK) signals into incoherently optical code division multiple access (OCDMA) signals is proposed and…”
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Impact evaluation of Radio over Fiber technology in Wireless Sensor Networks by Assumpcao, Raphael M., Branquinho, O. C., Abbade, M. L. F., Lona, D. G., Cerqueira, S. Arismar

“…We analyze the impact of a Radio over Fiber technology in a Wireless Sensor Network based on FSK and MSK modulation schemes. Experiments were carried in a WSN…”
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Optical labelling through parametric amplification by Abbade, M. L. F., Costa, A. L. A., Marconi, J. D., Cardoso, V. V., Fragnito, H. L., Moschim, E.

“…A new all-optical technique to label on-off keyed (OOK) payload signals is experimentally analysed. Such all-optical operation is accomplished by using a fibre…”
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