Search Results - "Wegmuller, M"

Photon-counting OTDR for local birefringence and fault analysis in the metro environment by Wegmuller, M., Scholder, F., Gisin, N.

“…Optical time domain reflectometery (OTDR) is one of the most used measurement techniques in the characterization of optical fiber links. In this paper, we…”
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Experimental study of polarization properties of highly birefringent photonic crystal fibers by Ritari, Tuomo, Ludvigsen, H, Wegmuller, M, Legré, M, Gisin, N, Folkenberg, J, Nielsen, M

“…We analyze experimentally the polarization properties of highly nonlinear small-core photonic crystal fibers (PCFs) with no intentional birefringence. The…”
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Investigation of the ratio between phase and Group birefringence in optical single-mode fibers by Legre, M., Wegmuller, M., Gisin, N.

“…A measurement technique for the phase and group birefringence of an optical fiber is thoroughly investigated. It is based on differential group delay…”
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Distributed beatlength measurement in single-mode fibers with optical frequency-domain reflectometry by Wegmuller, A., Legre, M., Gisin, N.

“…The polarization dependence of the coherent detection in optical frequency-domain reflectometry can be exploited to measure the local beatlength along an…”
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High-speed (11 Gbit/s) data transmission using perfluorinated graded-index polymer optical fibers for short interconnects (<100 m) by Giaretta, G., White, W., Wegmuller, M., Onishi, T.

“…Perfluorinated graded-index polymer optical fibers (GI-POF's) have been developed that offer low losses (<50 dB/km) and high bandwidth (>0.3 GHz km) at data…”
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Emulator of first- and second-order polarization-mode dispersion by Wegmuller, M., Demma, S., Vinegoni, C., Gisin, N.

“…Contrary to approaches which try to mimic a standard fiber as closely as possible, the emulator presented here gives constant (but user adjustable) values for…”
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Measurements of the nonlinear coefficient of standard, SMF, DSF, and DCF fibers using a self-aligned interferometer and a Faraday mirror by Vinegoni, C., Wegmuller, M., Gisin, N.

“…Using a method based on the detection of the Kerr phase shift by a self-aligned interferometer, we present measurements of the nonlinear coefficient n/sub…”
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Evolution of the beam diameter in a multimode fiber link through offset connectors by Wegmuller, M., Golowich, S., Giaretta, G., Nuss, M.

“…We find that using an overfilled launch, transmission of an 8-Gb/s nonreturn-to-zero (NRZ) signal can suffer a significant power penalty due to modal noise or…”
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All optical switching in a highly birefringent and a standard telecom fiber using a Faraday mirror stabilization scheme by Vinegoni, C, Wegmuller, M, Huttner, B, Gisin, N

“…All-optical switching at 1.5 μm based on induced nonlinear polarization rotation is demonstrated in both a polarization maintaining and a standard telecom…”
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Experimental investigation of a coherent quantum measurement of the degree of polarization of a single-mode light beam by Legre, M., Wegmuller, M., Gisin, N.

“…A novel method for the direct measurement of the degree of polarization is described. It is one of the first practical implementations of a coherent quantum…”
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Distributed measurements of chromatic dispersion and nonlinear coefficient in low-PMD dispersion-shifted fibers by Vinegoni, C., Hongxin Chen, Leblanc, M., Schinn, G.W., Wegmuller, M., Gisin, N.

“…We report on the investigation of distributed chromatic dispersion (CD) and distributed nonlinear coefficient (NLC) measurements based on phase mismatched…”
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Group delay analysis of chirped fiber Bragg gratings using photon counting by de Riedmatten, H., Wegmuller, M., Zbinden, H., Gisin, N.

“…We present a novel measurement method for the relative group delay of chirped fiber Bragg gratings, based on the time-of-flight of single photons. In contrast…”
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Distributed gain measurements in Er-doped fibers with high resolution and accuracy using an optical frequency domain reflectometer by Wegmuller, M., Oberson, P., Guinnard, O., Huttner, B., Guinnard, L., Vinegoni, C., Gisin, N.

“…For critical erbium-doped fiber amplifier (EDFA) design, e.g., gain tilt optimization in WDM booster amplifiers, knowledge of the gain distribution within the…”
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Analysis of the polarization evolution in a ribbon cable using high-resolution coherent OFDR by Wegmuller, M., Legre, M., Oberson, P., Guinnard, O., Guinnard, L., Vinegoni, C., Gisin, N.

“…Exploiting the inherent polarization dependence and good spatial resolution of optical frequency domain reflectometry (OFDR), the beatlength in a ribbon fiber…”
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Quantum measurement of the degree of polarization of a light beam by Legré, M, Wegmüller, M, Gisin, N

“…We demonstrate a coherent quantum measurement for the determination of the degree of polarization (DOP). This method allows us to measure the DOP in the…”
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Transmission over 362 km of 110 channels at 2.35 Gb/s from a spectrum-sliced femtosecond laser by Boivin, L., Wegmuller, M., Nuss, M.C., Knox, W.H., Sun, Y., Srivastava, A.K., Sulhoff, J.W., Wolf, C.

“…We use temporal spectrum-slicing and optical time-division multiplexing to obtain 110 wavelength channels at 2.35 Gb/s from a single femtosecond fiber laser…”
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Direct measurement of superluminal group velocity and signal velocity in an optical fiber by BRUNNER, Nicolas, SCARANI, Valerio, WEGMÜLLER, Mark, LEGRE, Matthieu, GISIN, Nicolas

“…We present an easy way of observing superluminal group velocities using a birefringent optical fiber and other standard devices. In the theoretical analysis,…”
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Distributed beatlength measurement in single-mode fibers with optical frequency-domain reflectometry by WEGMULLER, M, LEGRE, M, GISIN, N

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Photon counting at telecom wavelengths with commercial InGaAs/InP avalanche photodiodes: current performance by Ribordy, Grégoire, Gisin, Nicolas, Guinnard, Olivier, Stucki, Damien, Wegmuller, Mark, Zbinden, Hugo

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Experimental investigation of the polarization properties of a hollow core photonic bandgap fiber for 1550 nm by Wegmuller, Mark, Legré, Matthieu, Gisin, Nicolas, Hansen, Theis, Jakobsen, Christian, Broeng, Jes

“…The properties of a hollow core photonic bandgap fiber designed for 1.55 um transmission are investigated with special emphasis on polarization issues. Large…”
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