R. Laflamme

Publications276
h-index55
Citations17,639
Highly Influential Citations531
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A scheme for efficient quantum computation with linear optics
TLDR
It is shown that efficient quantum computation is possible using only beam splitters, phase shifters, single photon sources and photo-detectors and are robust against errors from photon loss and detector inefficiency.
Theory of quantum error-correcting codes
TLDR
A general theory of quantum error correction based on encoding states into larger Hilbert spaces subject to known interactions is developed and necessary and sufficient conditions for the perfect recovery of an encoded state after its degradation by an interaction are obtained.
An Introduction to Quantum Computing
TLDR
This book discusses quantum algorithms, a quantum model of computation, and algorithms with super-polynomial speed-up, as well as quantum computational complexity theory and lower bounds.
A Theory of Quantum Error-Correcting Codes
TLDR
A general theory of quantum error correction based on encoding states into larger Hilbert spaces subject to known interactions is developed and necessary and sufficient conditions for the perfect recovery of an encoded state after its degradation by an interaction are obtained.
Power of One Bit of Quantum Information
In standard quantum computation, the initial state is pure and the answer is determined by making a measurement of some of the bits in the computational basis. What can be accomplished if the initial…
The instability of charged black strings and p-branes
NMR Based Quantum Information Processing: Achievements and Prospects
Nuclear magnetic resonance (NMR) provides an experimental setting to explore physical implementations of quantum information processing (QIP). Here we introduce the basic background for understanding…
Quantum computers
TLDR
The latest developments for each of the leading approaches to quantum computation are described and the major challenges for the future are explained.
Quantum algorithms for fermionic simulations
We investigate the simulation of fermionic systems on a quantum computer. We show in detail how quantum computers avoid the dynamical sign problem present in classical simulations of these systems,…
A comprehensive design and performance analysis of low Earth orbit satellite quantum communication
Optical quantum communication utilizing satellite platforms has the potential to extend the reach of quantum key distribution (QKD) from terrestrial limits of ?200?km to global scales. We have…
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