Search Results - "Helton, J.S."

High resolution ferromagnetic and antiferromagnetic correlations in La0.7Ca0.3MnO3 by Pajerowski, D.M., Helton, J.S., Garlea, V.O., Tomioka, Y., Tokura, Y.

“…•La0.7Ca0.3MnO3 has coexisting ferromagnetic and antiferromagnetic correlations above the magnetic ordering temperature.•Antiferromagnetic correlations persist…”
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High-flux beam source for cold, slow atoms or molecules by MAXWELL, S. E, BRAHMS, N, DECARVALHO, R, GLENN, D. R, HELTON, J. S, NGUYEN, S. V, PATTERSON, D, PETRICKA, J, DEMILLE, D, DOYLE, J. M

“…We demonstrate and characterize a high-flux beam source for cold, slow atoms or molecules. The desired species is vaporized using laser ablation, then cooled…”
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Polarized neutron scattering studies of the kagomé lattice antiferromagnet by Matan, K., Helton, J.S., Grohol, D., Nocera, D.G., Wakimoto, S., Kakurai, K., Lee, Y.S.

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Polarized neutron scattering studies of the kagomé lattice antiferromagnet KFe 3 ( OH ) 6 ( SO 4 ) 2 by Matan, K., Helton, J.S., Grohol, D., Nocera, D.G., Wakimoto, S., Kakurai, K., Lee, Y.S.

“…We report polarized neutron scattering studies of spin-wave excitations and spin fluctuations in the S = 5 2 kagom e ´ lattice antiferromagnet KFe 3 ( OH ) 6 (…”
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Magnetic trapping of an atomic {sup 55}Mn-{sup 52}Cr mixture by Nguyen, S.V., Maussang, K., Doyle, John M., Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, Helton, J.S., Ketterle, W.

“…Atomic manganese {sup 55}Mn and chromium {sup 52}Cr are simultaneously loaded and confined in a magnetic trap. Using a cryogenic {sup 3}He buffer gas, 10{sup…”
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Packaging of optoelectronics and passive optics for intrasystem interconnects by Grimes, G.J., Honea, W.K., Helton, J.S., Sherman, C.J., Sonnier, G.L.

“…Summary form only given. Optical backplanes can enhance the functionality of large system products at reasonable cost. In order to further exploit high…”
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Optoelectronics for large scale optical backplanes by Grimes, G.J., Sonnier, G.L., Sherman, C.J., Honea, W.K., Helton, J.S.

“…Optical backplanes based on todays' technologies can offer important advantages to both manufacturers of telecommunications platforms and telecommunications…”
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Applications of parallel optical interconnects by Grimes, G.J., Wong, Y.M., Anthony, P.J., Priest, E., Sherman, C.J., Peck, S.R., Holland, W.R., Muehler, D.J., Faudskar, C.C., Nyquist, J.S., Helton, J.S., Honea, W.K., Bortolini, J.R., Gates, J.V., Sonnier, G.L., Markush, J.P.C.

“…The first phase of OETC (OETC-1) produced a parallel, 32-channel, high density (140 mm pitch), 500 Mb/s NRZ, point to point, optical data link. This link has a…”
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Photonic packaging using laser/receiver arrays and flexible optical circuits by Grimes, G.J., Markush, J.P.C., Yiu-Man Wong, Anthony, P.J., Holland, B., Priest, E.G., Sherman, C.J., Peck, S.R., Muehlner, D.J., Faudskar, C.C., Nyquist, J.S., Helton, J.S., Lepthian, C.A., Sonnier, G.L., Gates, J.V., Honea, W.K., Bortolini, J.R.

“…Optoelectronic modules and multifiber optical connectors were successfully applied to intrasystem interconnection within a large telecommunication transmission…”
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Packaging of optoelectronics and passive optics in a high capacity transmission terminal by Grimes, G.J., Sherman, C.J., Garvert, R.W., Peck, S.R., Honea, W.K., Helton, J.S., Jamison, W.W., Parzygnat, W.J., Bonanni, R., Nadler, R.J., Rausch, K.S., Thomas, J.J., Blyler, L.L.

“…We report on the first circuit board having passive optical circuits in combination with a backplane multifiber array connector. The approach uses four fused…”
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Photonic packaging using laser/receiver arrays and flexible optical circuits by Grimes, G.J., Markush, J.P.C., Wong, Y.M., Anthony, P.J., Holland, W.R., Priest, E.G., Sherman, C.J., Peck, S.R., Muehlner, D.J., Faudskar, C.C., Nyquist, J.S., Helton, J.S., Sonnier, G.L., Gates, J.V., Honea, W.K., Bortolini, J.R.

“…The topic of this paper is a description of how we replaced the discrete optoelectronic and passive optics devices of the optical interconnection system of a…”
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