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Proceedings Paper

Fiber-based high-dimensional quantum communications
Author(s): Davide Bacco; Beatrice Da Lio; Daniele Cozzolino; Yunhong Ding; Michael Galili; Karsten Rottwitt; Leif K. Oxenløwe
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Paper Abstract

Quantum communication, i.e., the ability to transport a quantum state from one place to another, represents a crucial task for many quantum applications, i.e. quantum cryptography, quantum secret sharing and quantum networks. However current systems present main limitations in terms of low information rates, short propagation distances and low compatibility with today classical optical infrastructure. These restrictions bound the development of this field and its practical applications. High-dimensional quantum communication can help in overcoming these challenges enhancing the information rate and the system error tolerance. We here report our recent results on high-dimensional fiber based quantum communication, both with multicore and multimode fibers, in which we prove the capability of preparing, manipulating, transmitting and measuring advanced quantum states with excellent fidelities. Our results pave the way towards high-dimensional quantum communication in an optical fiber infrastructure.

Paper Details

Date Published: 19 November 2019
PDF: 8 pages
Proc. SPIE 11195, Quantum and Nonlinear Optics VI, 111950G (19 November 2019); doi: 10.1117/12.2538663
Show Author Affiliations
Davide Bacco, Technical Univ. of Denmark (Denmark)
Beatrice Da Lio, Technical Univ. of Denmark (Denmark)
Daniele Cozzolino, Technical Univ. of Denmark (Denmark)
Yunhong Ding, Technical Univ. of Denmark (Denmark)
Michael Galili, Technical Univ. of Denmark (Denmark)
Karsten Rottwitt, Technical Univ. of Denmark (Denmark)
Leif K. Oxenløwe, Technical Univ. of Denmark (Denmark)

Published in SPIE Proceedings Vol. 11195:
Quantum and Nonlinear Optics VI
Qihuang Gong; Guang-Can Guo; Byoung Seung Ham, Editor(s)

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