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Tunable photon-assisted bleaching of three-level systems for noise filtration
Chun-Hsu Su, Andrew D. Greentree, Raymond G. Beausoleil +4
Electromagnetically-induced transparency (EIT) exploits quantum coherence to burn subnatural linewidth holes within a spectral line. We investigate the less explored properties of…
Intracavity weak nonlinear phase shifts with single photon driving
W. J. Munro, K. Nemoto, G. J. Milburn
We investigate a doubly resonant optical cavity containing a Kerr nonlinear medium that couples two modes by a cross phase modulation. One of these modes is driven by a single phot…
From quantum fusiliers to high-performance networks
W. J. Munro, K. A. Harrison, A. M. Stephens +2
Our objective was to design a quantum repeater capable of achieving one million entangled pairs per second over a distance of 1000km. We failed, but not by much. In this letter we…
Adiabatic quantum computation along quasienergies
Atushi Tanaka, Kae Nemoto
The parametric deformations of quasienergies and eigenvectors of unitary operators are applied to the design of quantum adiabatic algorithms. The conventional, standard adiabatic q…
Pulse shaping by coupled-cavities: Single photons and qudits
Chun-Hsu Su, Andrew D. Greentree, William J. Munro +2
Dynamic coupling of cavities to a quantum network is of major interest to distributed quantum information processing schemes based on cavity quantum electrodynamics. This can be ac…
Entanglement is not a critical resource for quantum metrology
Todd Tilma, Shinichiro Hamaji, W. J. Munro +1
We have investigated high-precision measurements, beyond the standard quantum limit, utilizing non-classical states. Although entanglement has been considered a resource for achiev…
Classical Processing Requirements for a Topological Quantum Computing System
Simon J. Devitt, Austin G. Fowler, Todd Tilma +2
Dedicated research into the design and construction of a large scale Quantum Information Processing (QIP) system is a complicated task. The design of an experimentally feasible qua…
Quantum Error Correction for Beginners
Simon J. Devitt, Kae Nemoto, William J. Munro
Quantum error correction (QEC) and fault-tolerant quantum computation represent one of the most vital theoretical aspect of quantum information processing. It was well known from t…
Experimentally Realizable C-NOT Gate in a Flux Qubit/Resonator System
S. Saito, T. Tilma, S. J. Devitt +2
In this paper we present an experimentally realizable microwave pulse sequence that effects a Controlled NOT (C-NOT) gate operation on a Josephson junction-based flux-qubit/resonat…
Single photon quantum non-demolition in the presence of inhomogeneous broadening
Andrew D. Greentree, R. G. Beausoleil, L. C. L. Hollenberg +4
Electromagnetically induced transparency (EIT) has been often proposed for generating nonlinear optical effects at the single photon level; in particular, as a means to effect a qu…