Unconditional quantum teleportation between distant solid-state quantum bits

W. Pfaff, B. J. Hensen, H. Bernien, S. B. Van Dam, M. S. Blok, T. H. Taminiau, M. J. Tiggelman, R. N. Schouten, M. Markham, D. J. Twitchen, R. Hanson

Research output: Contribution to journalArticlepeer-review

Abstract

Realizing robust quantum information transfer between long-lived qubit registers is a key challenge for quantum information science and technology. Here we demonstrate unconditional teleportation of arbitrary quantum states between diamond spin qubits separated by 3 meters. We prepare the teleporter through photon-mediated heralded entanglement between two distant electron spins and subsequently encode the source qubit in a single nuclear spin. By realizing a fully deterministic Bell-state measurement combined with real-time feed-forward, quantum teleportation is achieved upon each attempt with an average state fidelity exceeding the classical limit. These results establish diamond spin qubits as a prime candidate for the realization of quantum networks for quantum communication and network-based quantum computing.

Original languageEnglish (US)
Pages (from-to)532-535
Number of pages4
JournalScience
Volume345
Issue number6196
DOIs
StatePublished - Aug 1 2014
Externally publishedYes

ASJC Scopus subject areas

  • General

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