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18 papers · 1 filter
Review article: Linear optical quantum computing
Pieter Kok, W. J. Munro, Kae Nemoto +3
Linear optics with photon counting is a prominent candidate for practical quantum computing. The protocol by Knill, Laflamme, and Milburn [Nature 409, 46 (2001)] explicitly demonst…
Practical limitations in optical entanglement purification
Peter P. Rohde, Timothy C. Ralph, William J. Munro
Entanglement purification protocols play an important role in the distribution of entangled systems, which is necessary for various quantum information processing applications. We…
The foundations of statistical mechanics from entanglement: Individual states vs. averages
Sandu Popescu, Anthony J. Short, Andreas Winter
We consider an alternative approach to the foundations of statistical mechanics, in which subjective randomness, ensemble-averaging or time-averaging are not required. Instead, the…
Quantum error correction via robust probe modes
Fumiko Yamaguchi, Kae Nemoto, William J. Munro
We propose a new scheme for quantum error correction using robust continuous variable probe modes, rather than fragile ancilla qubits, to detect errors without destroying data qubi…
Hybrid quantum repeater using bright coherent light
P. van Loock, T. D. Ladd, K. Sanaka +4
We describe a quantum repeater protocol for long-distance quantum communication. In this scheme, entanglement is created between qubits at intermediate stations of the channel by u…
Implementing Non-Projective Measurements via Linear Optics: an Approach Based on Optimal Quantum State Discrimination
Peter van Loock, Kae Nemoto, William J. Munro +2
We discuss the problem of implementing generalized measurements (POVMs) with linear optics, either based upon a static linear array or including conditional dynamics. In our approa…