Zobrazeno 1 - 10
of 266
pro vyhledávání: '"Buttler, W."'
We describe a quantum cryptography protocol with up to twenty four-dimensional ($\mathcal{D} =4$) states generated by a polarization-, phase- and time-encoding transmitter. This protocol can be experimentally realized with existing technology, drawin
Externí odkaz:
http://arxiv.org/abs/1003.0484
Autor:
Buttler, W. T., Lamoreaux, S. K.
We develop and present a quantum cryptography concept in which phase determinations are made from the time that a photon is detected, as opposed to where the photon is detected, and hence is a non-interferometric process. The phase-encoded quantum in
Externí odkaz:
http://arxiv.org/abs/0808.0686
This work considers current potential uses of laser Doppler velocimetry. A discussion of other optical velocimetry techniques is presented and compared with their practical application to modern shock physics diagnostics, such as VISAR.
Comment:
Comment:
Externí odkaz:
http://arxiv.org/abs/physics/0409073
Autor:
Lamoreaux, S. K., Buttler, W. T.
A general analysis of thermal noise in torsion pendulums is presented. The specific case where the torsion angle is kept fixed by electronic feedback is analyzed. This analysis is applied to a recent experiment that employed a torsion pendulum to mea
Externí odkaz:
http://arxiv.org/abs/quant-ph/0408027
Autor:
Buttler, W. T., Lamoreaux, S. K., Torgerson, J. R., Nickel, G. H., Donahue, C. H., Peterson, C. G.
We describe a new error reconciliation protocol {\it Winnow} based on the exchange of parity and Hamming's ``syndrome'' for $N-$bit subunits of a large data set. {\it Winnow} was developed in the context of quantum key distribution and offers signifi
Externí odkaz:
http://arxiv.org/abs/quant-ph/0203096
Autor:
Lamoreaux, S. K., Archibald, G., Barnes, P. D., Buttler, W. T., Clark, D. J., Cooper, M. D., Espy, M., Greene, G. L., Golub, R., Hayden, M. E., Lei, C., Marek, L. J., Peng, J. -C., Penttila, S.
We have measured the mass diffusion coefficient D of 3He in superfluid 4He at temperatures lower than were previously possible. The experimental technique utilizes scintillation light produced when neutron react with 3He nuclei, and allows measuremen
Externí odkaz:
http://arxiv.org/abs/cond-mat/0110097
Autor:
Buttler, W. T., Hughes, R. J., Lamoreaux, S. K., Morgan, G. L., Nordholt, J. E., Peterson, C. G.
Quantum key distribution (QKD) has been demonstrated over a point-to-point $\sim1.6$-km atmospheric optical path in full daylight. This record transmission distance brings QKD a step closer to surface-to-satellite and other long-distance applications
Externí odkaz:
http://arxiv.org/abs/quant-ph/0001088
Autor:
Hartsfield, T. M., Schulze, R. K., La Lone, B. M., Charonko, J. J., Hammerberg, J. E., Regele, J. D., Schauer, M. M., Schwarzkopf, J. D., Sheppard, D. G., Stevens, G. D., Cooley, J. C., Donovan, P. M., Manzanares, R., Martinez, J. I., Schmidt, D. W., Staska, M. D., Valencia, R. J., Turley, W. D., Buttler, W. T.
Publikováno v:
Journal of Applied Physics; 5/21/2022, Vol. 131 Issue 19, p1-10, 10p
Autor:
Buttler, W. T., Hughes, R. J., Kwiat, P. G., Lamoreaux, S. K., Luther, G. G., Morgan, G. L., Nordholt, J. E., Peterson, C. G., Simmons, C. M.
Publikováno v:
Phys.Rev.Lett.81:3283-3286,1998
A working free-space quantum key distribution (QKD) system has been developed and tested over an outdoor optical path of ~1 km at Los Alamos National Laboratory under nighttime conditions. Results show that QKD can provide secure real-time key distri
Externí odkaz:
http://arxiv.org/abs/quant-ph/9805071
Autor:
Buttler, W. T., Hughes, R. J., Kwiat, P. G., Luther, G. G., Morgan, G. L., Nordholt, J. E., Peterson, C. G., Simmons, C. M.
A working free-space quantum key distribution (QKD) system has been developed and tested over a 205-m indoor optical path at Los Alamos National Laboratory under fluorescent lighting conditions. Results show that free-space QKD can provide secure rea
Externí odkaz:
http://arxiv.org/abs/quant-ph/9801006