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2017

2017

Abstract Quantum coherence and entanglement, which play a crucial role in quantum information processing tasks, are usually… Expand

Highly Cited

2009

Highly Cited

2009

We propose and investigate an optical scheme for probabilistic implementation of an arbitrary single-mode quantum operation that… Expand

Highly Cited

2007

Highly Cited

2007

Abstract We present a derivation and numerous applications of a compact explicit formula for the average fidelity of a quantum… Expand

2005

2005

We prove that the quantum trajectory of repeated perfect measurement on a finite quantum system either asymptotically purifies… Expand

Highly Cited

2004

Highly Cited

2004

We investigate the space of quantum operations, as well as the larger space of maps which are positive, but not completely… Expand

2003

2003

We present the full experimental quantum tomographic characterization of a single-qubit device achieved with a single entangled… Expand

Highly Cited

2002

Highly Cited

2002

This Letter presents a simple formula for the average fidelity between a unitary quantum gate and a general quantum operation on… Expand

Highly Cited

2002

Highly Cited

2002

A thermal field, which frequently appears in problems of decoherence, provides us with minimal information about the field. We… Expand

2001

2001

Decoherence-free subspaces (DFSs) shield quantum information from errors induced by the interaction with an uncontrollable… Expand

Highly Cited

1998

Highly Cited

1998

Since Shor`s discovery of an algorithm to factor numbers on a quantum computer in polynomial time, quantum computation has become… Expand