Search Results - "Bayart, D"

Cyclothymic temperament as a prospective predictor of bipolarity and suicidality in children and adolescents with major depressive disorder by Kochman, F.J., Hantouche, E.G., Ferrari, P., Lancrenon, S., Bayart, D., Akiskal, H.S.

“…Introduction: Although several recent studies suggest that bipolar disorder most commonly begins during childhood or adolescence, the illness still remains…”
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Impact of pump OSNR on noise figure for fiber-optical parametric amplifiers by Durecu-Legrand, A., Simonneau, C., Bayart, D., Mussot, A., Sylvestre, T., Lantz, E., Maillotte, H.

“…Electrical measurements of the noise figure of a fiber-optical parametric amplifier are presented and compared with optical measurements. The transfer of pump…”
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RIN transfer in copumped Raman amplifiers using polarization-combined diodes by Martinelli, C., Lorcy, L., Durecu-Legrand, A., Mongardien, D., Borne, S., Bayart, D.

“…Pump-to-signal relative-intensity-noise (RIN) transfer in a forward-pumped Raman amplifier using polarization-combined diodes is measured and analyzed. For the…”
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Impact of pump phase modulation on the gain of fiber optical parametric amplifier by Mussot, A., Durecu-Legrand, A., Lantz, E., Simonneau, C., Bayart, D., Maillotte, H., Sylvestre, T.

“…In practice, fiber optical parametric amplifiers are generally driven by a phase-modulated pump wave to avoid stimulated Brillouin back-scattering. We show…”
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Spectral beam combining of a single-mode 980-nm laser array for pumping of erbium-doped fiber amplifiers by Salet, P., Gaelle Lucas-Leclin, Roger, G., Georges, P., Bousselet, P., Simonneau, C., Bayart, D., Michel, N., Auzanneau, S.-C., Calligaro, M., Parillaud, O., Lecomte, M., Krakowski, M.

“…With a view to improve the power level and brightness of semiconductor pump lasers, we have resorted to a scalable implementation and achieved spectral beam…”
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Zero-dispersion wavelength mapping in short single-mode optical fibers using parametric amplification by Mussot, A., Lantz, E., Durecu-Legrand, A., Simonneau, C., Bayart, D., Sylvestre, T., Maillotte, H.

“…We demonstrate a novel convenient nondestructive method based on optical parametric amplification that allows retrieval of the zero-dispersion wavelength map…”
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Simple methods for crosstalk reduction in fiber optical parametric amplifiers by Mussot, A., Lantz, E., Durécu-Legrand, A., Simonneau, C., Bayart, D., Maillotte, H., Sylvestre, T.

“…We propose and numerically demonstrate two simple methods for reduction of the crosstalk caused by four-wave mixing between the pump and the…”
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Modeling of multiwavelength Raman fiber lasers using a new and fast algorithm by Leplingard, F., Martinelli, C., Borne, S., Lorcy, L., Bayart, D., Castella, F., Chartier, P., Faou, E.

“…We describe a numerical model for a multiwavelength Raman fiber laser. It uses an original algorithm which makes the model robust and fast. We show a…”
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Noise and gain band management of thulium-doped fiber amplifier with dual-wavelength pumping schemes by Roy, F., Bayart, D., Le Sauze, A., Baniel, P.

“…Three dual-wavelength pumping schemes (1550 nm + 1064, 1047, or 1400 nm) have been experimentally assessed for the thulium-doped fiber amplifier in terms of…”
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Experimental investigation of the gain flatness characteristics for 1.55 μm erbium-doped fluoride fiber amplifiers by Bayart, D., Clesca, B., Hamon, L., Beylat, J.L.

“…The flat gain over a broad spectral width offered by fluoride-based Erbium-Doped Fiber Amplifiers (EDFA) appears very attractive for wavelength-multiplex…”
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Stability enhancement for dual-order Raman fiber lasers by Martinelli, C., Leplingard, F., Borne, S., Bayart, D., Vanholsbeeck, F., Coen, S., Sylvestre, T.

“…A new laser regime for second-order pumping applications is described. Our laser is a dual-output-wavelength Raman fiber laser that generates a low-power…”
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320-Gb/s (32 x 10 Gb/s WDM) transmission over 500 km of conventional single-mode fiber with 125-km amplifier spacing by Bigo, S., Bertaina, A., Chbat, M.W., Gurib, S., Da Loura, J., Jacquinot, J.-C., Hervo, J., Bousselet, P., Borne, S., Bayart, D., Gasca, L., Beylat, J.-L.

“…Thirty-two 10-Gb/s channels spaced by 100 GHz are transmitted over 500 km of dispersive fiber (D>+19 ps/nm/spl middot/km) with 125-km amplifier spacing. This…”
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Gain flatness comparison between erbium-doped fluoride and silica fiber amplifiers with wavelength-multiplexed signals by Clesca, B., Ronarc'h, D., Bayart, D., Sorel, Y., Hamon, L., Guibert, M., Beylat, J.L., Kerdiles, J.F., Semenkoff, M.

“…With the ever growing interest in wavelength division multiplexing transmission systems, the need for an optical amplifier with a large bandwidth is more and…”
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Le trouble obsessionnel compulsif chez l'enfant induit par une infection streptococcique by KOCHMAN, F, HANTOUCHE, E. G, KARILA, L, BAYART, D, BAILLE, D

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Relative-intensity-noise transfer in forward-pumping Raman amplification using a Raman fiber laser pump by Martinelli, C, Lorcy, L, Mongardien, D, Bayart, D

“…Forward-Raman-pump-to-signal RIN transfer using a Raman fiber laser pump is measured and analyzed. For the first time, we point out the necessity of…”
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Method for the determination of a quality-of-transmission estimator along the lightpaths of partially transparent networks by Lavigne, B, Leplingard, F, Lorcy, L, Balmefrezol, E, Antona, J.C, Zami, T, Bayart, D

“…We propose a method to determine an analytical expression of the transmission Q-factor along a lightpath in a transparent network. We experimentally assess its…”
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Alumino-silica heavy doped fibers for compact WDM-EDFAs by Simonneau, C, Moreau, C, Gasca, L, Bayart, D

“…WDM amplification tests performed on highly erbium-doped fibers show that 36-dB/m fibers offer the best tradeoff to design efficient compact WDM amplifiers. (2…”
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Impact of signal rise time on transient power amplitude in forward pumped Raman amplifiers by Mongardien, D.A, Borne, S, Martinelli, C, Bayart, D

“…A numerical model describing transients in forward pumped Raman amplifiers has been experimentally validated. Use of realistic rise time (80 ns) for channel…”
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Up to 22 dB reduction of the relative intensity noise of a Raman fiber laser by Leplingard, F, Martinelli, C, Lorcy, L, Mongardien, D, Bayart, D

“…We reduce the average RIN of a Raman fiber laser by 15 dB and demonstrate a RIN reduction of 22 dB on the highest noise peaks. Our setup basically uses…”
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Hybrid no-reference video quality prediction by Davis, A.G., Bayart, D., Hands, D.S.

“…This paper describes how the quality of H.264/AVC encoded standard resolution video sequences may be accurately estimated within a suitable video decoder…”
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