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Your search keyword '"Hollenberg, L. C. L."' showing total 342 results
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342 results on '"Hollenberg, L. C. L."'

154. Probe and control of the reservoir density of states in single-electron devices

Author

Möttönen, M., primary, Tan, K. Y., additional, Chan, K. W., additional, Zwanenburg, F. A., additional, Lim, W. H., additional, Escott, C. C., additional, Pirkkalainen, J.-M., additional, Morello, A., additional, Yang, C., additional, van Donkelaar, J. A., additional, Alves, A. D. C., additional, Jamieson, D. N., additional, Hollenberg, L. C. L., additional, and Dzurak, A. S., additional

Published
2010
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156. +Level Spectrum Of Single Gated As Donors

Author

Lansbergen, G. P., primary, Rahman, R., additional, Caro, J., additional, Collaert, N., additional, Biesemans, S., additional, Klimeck, G., additional, Hollenberg, L. C. L., additional, Rogge, S., additional, Caldas, Marília, additional, and Studart, Nelson, additional

Published
2010
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163. Nano-manipulation of diamond-based single photon sources

Author

Ampem-Lassen, E., primary, Simpson, D. A., additional, Gibson, B. C., additional, Trpkovski, S., additional, Hossain, F. M., additional, Huntington, S. T., additional, Ganesan, K., additional, Hollenberg, L. C. L., additional, and Prawer, S., additional

Published
2009
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172. Stark Shift Control of Single Optical Centers in Diamond

Author

Tamarat, Ph., primary, Gaebel, T., additional, Rabeau, J. R., additional, Khan, M., additional, Greentree, A. D., additional, Wilson, H., additional, Hollenberg, L. C. L., additional, Prawer, S., additional, Hemmer, P., additional, Jelezko, F., additional, and Wrachtrup, J., additional

Published
2006
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190. Single photon quantum non-demolition measurements in the presence of inhomogeneous broadening.

Author

Greentree, Andrew D., Beausoleil, R. G., Hollenberg, L. C. L., Munro, W. J., Nemoto, Kae, Prawer, S., and Spiller, T. P.

Subjects
PHOTONS, ELECTROMAGNETISM, NITROGEN, INHOMOGENEOUS materials, PHYSICS research
Abstract

Electromagnetically induced transparency (EIT) has often been proposed for generating nonlinear optical effects at the single photon level; in particular, as a means to effect a quantum non-demolition measurement of a single-photon field. Previous treatments have usually considered homogeneously broadened samples, but realizations in any medium will have to contend with inhomogeneous broadening. Here we reappraise an earlier scheme (Munro et al 2005 Phys. Rev. A 71 033819) with respect to inhomogeneities and show an alternative mode of operation that is preferred in an inhomogeneous environment. We further show the implications of these results on a potential implementation in diamond-containing nitrogen-vacancy colour centres. [ABSTRACT FROM AUTHOR]

Published
2009
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191. Vocal tract resonances and the sound of the Australian didjeridu (yidaki) II. Theory.

Author

Fletcher, N. H., Hollenberg, L. C. L., Smith, J., Tarnopolsky, Z., and Wolfe, J.

Subjects
*DIDJERIDU, *WIND instruments, *RESONANCE, *SOUNDS, AUSTRALIAN musical instruments
Abstract

The didjeridu (didgeridoo) or yidaki of the Australian Aboriginal people consists of the narrow trunk of a small Eucalypt tree that has been hollowed out by the action of termites, cut to a length of about 1.5 m, smoothed, and decorated. It is lip-blown like a trumpet and produces a simple drone in the frequency range 55 to 80 Hz. Interest arises from the fact that a skilled player can make a very wide variety of sounds with formants rather like those of human vowels, and can also produce additional complex sounds by adding vocalization. An outline is given of the way in which the whole system can be analyzed using the harmonic-balance technique, but a simpler approach with lip motion assumed shows easily that upper harmonics of the drone with frequencies lying close to impedance maxima of the vocal tract are suppressed, so that formant bands appear near impedance minima of the vocal tract. This agrees with experimental findings. Simultaneous vibration of the player’s lips and vocal folds is shown to generate multiple sum and difference tones, and can be used to produce subharmonics of the drone. A brief discussion is given of player preference of particular bore profiles. [ABSTRACT FROM AUTHOR]

Published
2006
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193. Modelling single-electron-transistor-based readout in the Kane solid-state quantum computer

Author

Pakes, C I, Conrad, V, Ang, J C, Green, F, Dzurak, A S, Hollenberg, L C L, Jamieson, D N, and Clark, R G

Abstract

The Kane (Kane B E 1998 Nature 393 133) solid-state quantum computer aims to exploit as qubits an array of31P nuclear spins embedded in a silicon matrix. A proposed scheme for readout of a qubit spin state relies on measurement of the associated spin state of its donor electron, by attempting to induce and detect, using a single-electron transistor (SET), spin-polarized motion of the electron to an adjacent donor site. The sensitivity required of a SET for detection of sub-surface electronic charge motion in a MOS architecture is examined by simulation of the capacitive coupling of the buried charge to the SET device. It is shown that the SET can support readout of the qubit electronic charge states within the appropriate electron spin relaxation time. This paper presents a novel application of Technology Computer Aided Design, which presents itself as a valuable tool for the design of nanoscale device architectures employing precision electrometry for readout of quantum logic states.

Published
2003

194. Gate-induced g-factor control and dimensional transition for donors in multivalley semiconductors

Author

Rahman, R., Park, S. H., Boykin, T. B., Klimeck, G., Sven Rogge, and Hollenberg, L. C. L.

Subjects
Condensed Matter::Materials Science
Abstract

The dependence of the g factors of semiconductor donors on applied electric and magnetic fields is of immense importance in spin-based quantum computation and in semiconductor spintronics. The donor g-factor Stark shift is sensitive to the orientation of the electric and magnetic fields and is strongly influenced by the band-structure and spin-orbit interactions of the host. Using a multimillion atom tight-binding framework, the spin-orbit Stark parameters are computed for donors in multivalley semiconductors, silicon, and germanium. Comparison with limited experimental data shows good agreement for a donor in silicon. Results for gateinduced transition from three-dimensional to two-dimensional wave-function confinement show that the corresponding g-factor shift in Si is experimentally observable, and at modest B field, O(1 T)can exceed the Stark shift of the hyperfine interaction.

196. Imaging with NV ensembles: Beyond magnetometry

Author

Broadway, D. A., Barson, M. S. J., Dontschuk, N., Brett Johnson, Lew, C. T. -K, Lillie, S. E., Mccloskey, D. J., Tsai, A., Teraji, T., Simpson, D. A., Stacey, A., Mccallum, J. C., Bradby, J. E., Doherty, M. W., Hollenberg, L. C. L., and Tetienne, J. -P

199. Transport spectroscopy of a single atom in a FinFET

Author

Lansbergen, G. P., Rahman, R., Caro, J., Biesemans, S., Klimeck, G., Hollenberg, L. C. L., and Sven Rogge

Subjects
Condensed Matter::Materials Science, Physics::Atomic and Molecular Clusters, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect

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