Multidimensional quantum entanglement with large-scale integrated optics

Publication: Research - peer-reviewJournal article – Annual report year: 2018

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The ability to control multidimensional quantum systems is key for the investigation of fundamental science and for 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 dimension 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 our multidimensional technology, and further exploit these abilities to demonstrate key quantum applications experimentally unexplored before, 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
JournalScience
Number of pages14
ISSN0036-8075
DOIs
StatePublished - 2018
CitationsWeb of Science® Times Cited: 4
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