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11 papers · 2 filters
Reply to Comment by Galapon on 'Almost-periodic time observables for bound quantum systems'
Michael J. W. Hall
In a recent paper [1] (also at http://lanl.arxiv.org/abs/0803.3721), I made several critical remarks on a 'Hermitian time operator' proposed by Galapon [2] (also at http://lanl.arx…
Photon-Echo Quantum Memory
W. Tittel, M. Afzelius, R. L. Cone +4
The future of long-distance quantum communication relies on the availability of quantum memory, i.e. devices that allow temporal storage of quantum information. We review research…
Linear Quantum Feedback Networks
J. Gough, R. Gohm, M. Yanagisawa
The mathematical theory of quantum feedback networks has recently been developed for general open quantum dynamical systems interacting with bosonic input fields. In this article w…
Avoiding entanglement sudden-death via measurement feedback control in a quantum network
Naoki Yamamoto, Hendra I. Nurdin, Matthew R. James +1
In this paper, we consider a linear quantum network composed of two distantly separated cavities that are connected via a one-way optical field. When one of the cavity is damped an…
Photon echoes generated by reversing magnetic field gradients in a rubidium vapour
G. Hétet, M. Hosseini, B. M. Sparkes +3
We propose a photon echo quantum memory scheme using detuned Raman coupling to long lived ground states. In contrast to previous 3-level schemes based on controlled reversible inho…
Single Atom Detection With Optical Cavities
R. Poldy, B. C. Buchler, J. C. Close
We present a thorough analysis of single atom detection using optical cavities. The large set of parameters that influence the signal-to-noise ratio for cavity detection is conside…