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Multidimensional quantum entanglement with large-scale integrated optics

  • Jianwei Wang*
  • , Stefano Paesani
  • , Yunhong Ding
  • , Raffaele Santagati
  • , Paul Skrzypczyk
  • , Alexia Salavrakos
  • , Jordi Tura
  • , Remigiusz Augusiak
  • , Laura Mančinska
  • , Davide Bacco
  • , Damien Bonneau
  • , Joshua W. Silverstone
  • , Qihuang Gong
  • , Antonio Acín
  • , Karsten Rottwitt
  • , Leif K. Oxenløwe
  • , Jeremy L. O'Brien
  • , Anthony Laing
  • , Mark G. Thompson
  • *Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

809 Citations (Scopus)
628 Downloads (Pure)

Abstract

The ability to control multidimensional quantum systems is central to the development of advanced quantum technologies.We demonstrate a multidimensional integrated quantum photonic platform able to generate, control, and analyze high-dimensional entanglement. A programmable bipartite entangled system is realized with dimensions up to 15 × 15 on a large-scale silicon photonics quantum circuit.The device integrates more than 550 photonic components on a single chip, including 16 identical photon-pair sources.We verify the high precision, generality, and controllability of ourmultidimensional technology, and further exploit these abilities to demonstrate previously unexplored quantum applications, such as quantum randomness expansion and self-testing on multidimensional states. Our work provides an experimental platform for the development of multidimensional quantum technologies.
Original languageEnglish
Pages (from-to)285-291
Number of pages7
JournalScience
Volume360
Issue number6386
DOIs
Publication statusPublished - 20 Apr 2018

Research Groups and Themes

  • Bristol Quantum Information Institute
  • QITG
  • QETLabs
  • Photonics and Quantum

Keywords

  • quant-ph
  • physics.optics

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