Space division multiplexing chip-to-chip quantum key distribution

Davide Bacco; Yunhong Ding; Kjeld Dalgaard; Karsten Rottwitt; Leif Katsuo Oxenløwe

doi:10.1038/s41598-017-12309-3

Space division multiplexing chip-to-chip quantum key distribution

Davide Bacco, Yunhong Ding, Kjeld Dalgaard, Karsten Rottwitt, Leif Katsuo Oxenløwe

Centre of Excellence for Silicon Photonics for Optical Communications

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

Quantum cryptography is set to become a key technology for future secure communications. However, to get maximum benefit in communication networks, transmission links will need to be shared among several quantum keys for several independent users. Such links will enable switching in quantum network nodes of the quantum keys to their respective destinations. In this paper we present an experimental demonstration of a photonic integrated silicon chip quantum key distribution protocols based on space division multiplexing (SDM), through multicore fiber technology. Parallel and independent quantum keys are obtained, which are useful in crypto-systems and future quantum network.

Original language	English
Article number	12459
Journal	Scientific Reports
Volume	7
Issue number	1
Number of pages	7
ISSN	2045-2322
DOIs	https://doi.org/10.1038/s41598-017-12309-3
Publication status	Published - 2017

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COFUNDPostdocDTU: COFUNDPostdocDTU
Præstrud, M. R. (Project Participant) & Brodersen, S. W. (Project Participant)
01/01/2014 → 31/12/2019
Project: Research

Cite this

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Space division multiplexing chip-to-chip quantum key distribution

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