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Open AccessJournal ArticleDOI

Linear optical controlled- NOT gate in the coincidence basis

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TLDR
In this article, the operation and tolerances of a quantum controlled-NOT gate for photonic qubits are described and a two-photon source is used for its demonstration.
Abstract
We describe the operation and tolerances of a nondeterministic, coincidence basis, quantum controlled-NOT gate for photonic qubits. It is constructed solely from linear optical elements and requires only a two-photon source for its demonstration. Its success probability is 1/9.

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Proceedings ArticleDOI

A reconfigurable entangling circuit on a photonic chip

TL;DR: In this article, a reconfigurable integrated photonic circuit with eight phase shifters is presented, which can generate and characterize entangled states, violate a Bell-type inequality with a continuum of partially entangled states and generate one-qubit mixed states.

Experimental realization of a simple entangling optical gate for quantum computation

TL;DR: In this paper, a CSIGN-Gatter is demonstrieren, in der Lage ursprunglich nicht verschrankte Qubits zu Verschranken and reprasentiert daher ein elementares and wichtiges Gatter fur universelles quantencomputing.
Book ChapterDOI

Fault-tolerant quantum error correction

TL;DR: In this article , the authors introduce fault-tolerant quantum information processing concepts and procedures, and describe a set of fault tolerant quantum gates, including fault tolerant measurement, fault tolerant state preparation, and fault tolerant encoding state preparation.
Posted ContentDOI

Destructive Controlled-Phase Gate Using Linear Optics

TL;DR: In this article, the authors acknowledge valuable discussions with Cory Nunn and Todd Pittman, who were supported in part by the National Science Foundation under the grant number PHY-1802472.
Journal ArticleDOI

Two-qubit quantum photonic processor manufactured by femtosecond laser writing

TL;DR: In this article , the authors present an experimental implementation of a two-qubit photonic quantum processor fabricated using femtosecond laser writing technology for estimating the ground state energy of an H2 molecule using the variational quantum eigensolver algorithm.
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