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7 papers · 1 filter
Testing Bell inequalities with photon-subtracted Gaussian states
Hyunseok Jeong
Recently, photon subtracted Gaussian states (PSGSs) were generated by several experimental groups. Those states were called "Schrödinger kittens" due to their similarities to super…
Loss-tolerant operations in parity-code linear optics quantum computing
A. J. F. Hayes, A. Gilchrist, T. C. Ralph
A heavy focus for optical quantum computing is the introduction of error-correction, and the minimisation of resource requirements. We detail a complete encoding and manipulation s…
Experimental demonstration of Shor's algorithm with quantum entanglement
B. P. Lanyon, T. J. Weinhold, N. K. Langford +4
Shor's powerful quantum algorithm for factoring represents a major challenge in quantum computation and its full realization will have a large impact on modern cryptography. Here w…
GLRT-Optimal Noncoherent Lattice Decoding
Daniel J. Ryan, Iain B. Collings, I. Vaughan L. Clarkson
This paper presents new low-complexity lattice-decoding algorithms for noncoherent block detection of QAM and PAM signals over complex-valued fading channels. The algorithms are op…
Optical Zeno Gate: Bounds for Fault Tolerant Operation
Patrick M. Leung, Timothy C. Ralph
In principle the Zeno effect controlled-sign gate of Franson et al's (PRA 70, 062302, 2004) is a deterministic two-qubit optical gate. However, when realistic values of photon loss…
Effects of frequency correlation in linear optical entangling gate operated with independent photons
Marco Barbieri
Bose-Einstein coalescence of independent photons at the surface of a beam splitter is the physical process that allows linear optical quantum gates to be built. When distinct param…