Search Results - "Rosolem, J.B."

All silica S-band double-pass erbium-doped fiber amplifier by Rosolem, J.B., Juriollo, A.A., Arradi, R., Coral, A.D., Oliveira, J.C.R.F., Romero, M.A.

“…Double-pass (DP) and single-pass (SP) erbium-doped depressed cladding fiber amplifiers designed for S-band operation are evaluated under changes of the input…”
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S-C-L triple-band double-pass erbium-doped silica fiber amplifier with an embedded DCF module for CWDM applications by Rosolem, J.B., Juriollo, A.A., Arradi, R., Coral, A.D., de Oliveira, J.C.R.F., Romero, M.A.

“…In this paper, the authors present a double-pass triple-band doped fiber amplifier including an embedded dispersion-compensating fiber. The amplifier employs…”
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Polarization analysis in double-pass erbium-doped fiber amplifiers with an embedded-DCF module by Rosolem, J.B., Juriollo, A.A., Romero, M.A.

“…Two configurations of double-pass erbium-doped fiber amplifiers with an embedded dispersion-compensating module are evaluated under changes of the input…”
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Comparative analysis of Fiber Grating versus Fiber Powering for fiber optical sensing applications by Rosolem, J.B., Floridia, C., Juriollo, A.A., Bezerra, E.W.

“…We present a comparative analysis between Fiber Grating versus Fiber Powering for fiber optical sensing applications. Both technologies were compared…”
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An all-optical gain controlled EDFA using a fast variable optical attenuator by de Oliveira, J.C.R.F., Rosolem, J.B., da Silva, R.F., Monte, L.R., Arradi, R., Juriollo, A.A., Bordonalli, A.C.

“…The design and characterization of an all-optical gain controlled erbium doped fiber amplifier using an embedded variable optical attenuator in the feedback…”
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Development of compact pump laser module for 980 nm EDFA applications by Rosolem, J.B., Coral, A.D., Borin, F., Coral, C.

“…In this paper we report the development of a low- cost uncooled Mini-DIL module designed for EDFA pump lasers. The 980-nm Mini-DIL pump laser is attractive…”
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An EDFA hybrid gain control technique for extended input power and dynamic gain ranges with suppressed transients by Oliveira, J.C.R.F., Rossi, S.M., Silva, R.F., Rosolem, J.B., Bordonalli, A.C.

“…A new approach for a hybrid gain control scheme based on an improved overlap of the all-optical and electrical feedforward gain control techniques for a single…”
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Temperature independent electrical field optical grating based sensor for high voltage applications by Floridia, C., Borin, F., Rosolem, J.B., Nallin, F.E., Bezerra, U.H., Tupiassu, A.A.A.

“…We propose a novel temperature independent electric field optical sensor using fiber Bragg gratings (FBG) attached to a piezoelectric material. The deformation…”
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Comparative analysis of optical amplifiers for CWDM networks by Rosolem, J.B., Juriollo, A.A., dos Santos, M.A.D., Romero, M.A.

“…We present a cost-effective EDFA configuration for CWDM applications, using a combination of parallel and series circuits. The developed CWDM EDFA was…”
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Evaluation of transient dynamic impact in gain controlled EDFAs by Oliveira, J.C.R.F., Floridia, C., Rossi, S.M., Rosolem, J.B., Bordonalli, A.C.

“…In this paper, the EDFA transient behavior was experimentally characterized in terms of the Q factor following severe amplifier input power variations. The…”
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Photonic crystal optical fibers for dispersion compensation and Raman amplification: Design and preliminary experimental results by De Francisco, C.A., Digweed-Lyytikainen, K., Spadoti, D., Juriollo, A.A., Rosolem, J.B., Ayres Neto, J.B.M., Borges, B.V., Canning, J., Romero, M.A.

“…An optimal design of photonic crystal optical fibers (PCFs) for simultaneous dispersion compensation and Raman amplification is demonstrated by numerical…”
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All silica triple band double pass EDFA for CWDM applications by Rosolem, J.B., Juriollo, A.A., Arradi, R., Coral, A.D., Oliveira, J.C.R.F., Romero, M.A.

“…A broadband double-pass EDFA is characterized over the CWDM grid from S to L bands. It relies only on silica fibers, being capable of extending the network…”
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Single channel transmission of NRZ 40 Gb/s through G. 652, G. 653 and G. 655 fibers for short-reach applications by Rocha, M.L., Furtado, M.T., Barros, M.R.X., Horiuchi, M.R., Simoes, F.D., Rosolem, J.B., Rossi, S.M.

“…We report a 40 Gb/s non-return to zero (NRZ) external modulation of a tunable external cavity laser for short-reach applications. Links comprising from 1.38 km…”
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Triple band double pass EDFA/TDFA with an embedded DCF for DWDM and CWDM applications by Rosolem, J.B., Juriollo, A.A., Arradi, R., Romero, M.A.

“…In this paper we present a novel DP-EDFA circuit, which encompasses the S, C and L bands and allows for DCF insertion in the double pass amplifier circuit…”
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Demonstration of 26 dB on-off gain of a two-pump fiber optical parametric amplifier by Chavez Boggio, J.M., Callegari, F.A., Tenenbaum, S., Fragnito, H.L., Rosolem, J.B., debarros, M.R.X.

“…We experimentally demonstrated, for the first time, to the best of our knowledge, a two-pump fiber optical parametric amplifier having /spl sim/26 dB on-off…”
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Thulium doped fiber amplifier performance in S band using two different complementary pumping wavelengths by de Oliveira, J.C.R.F., Rosolem, J.B., Juriollo, A.A.

“…We have characterized a thulium doped fiber amplifier using three simultaneous different pumping wavelengths. We obtained more than 30 dB peak gain in the S…”
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Intelligent optical monitoring system for integrated management of DWDM networks by Rosolem, J.B., Floridia, C., Matiuso, J.A., de Oliveira, J.R.F., da Silva, R.F., Martins, J.C., Arradi, R., Paradisi, A.

“…In this work we describe the development of an intelligent performance monitoring system of optical layer which permits full DWDM system management. Three…”
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Q-factor penalty evaluation in a cascade of all-, optical nodes using a re-circulating loop by Simoes, F.D., Rocha, M.L., de Barros, M.R.X., Horiuchi, M.R., Sachs, A.C., Rossi, S.M., Rosolem, J.B., Juriollo, A.A., Paradisi, A.

“…The impact of all-optical node concatenation effects on the performance of a WDM transmission through 350 km of standard fiber is investigated with…”
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1.3/1.55 microns duplex-diplex optical transmission: the Brasilian technology by Celaschi, S., Rosolem, J.B., Jesus, J.T.

“…Results are presented from the first experimental Brazilian route in which two separate optical channels have been combined in both duplex and diplex…”
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Double pass L band erbium doped fiber amplifier with an embedded DCF by Rosolem, J.B., de Barros, M.R.X., Juriollo, A.A., Horluchi, M.R.

“…We present gain, noise figure and 10 Gbit/s BER characterization of a double pass L band erbium doped fiber amplifier that incorporate a DCF module for…”
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