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  Quantum Communication with Photons

Krenn, M., Malik, M., Scheidl, T., Ursin, R., & Zeilinger, A. (2016). Quantum Communication with Photons. In Optics in Our Time (pp. 455-482). Springer, Cham.

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This chapter is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, a link is provided to the Creative Commons license and any changes made are indicated. The images or other third party material in this chapter are included in the work’s Creative Commons license, unless indicated otherwise in the credit line; if such material is not included in the work’s Creative Commons license and the respective action is not permitted by statutory regulation, users will need to obtain permission from the license holder to duplicate, adapt or reproduce the material.
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 Creators:
Krenn, Mario1, Author           
Malik, Mehul, Author
Scheidl, Thomas, Author
Ursin, Rupert, Author
Zeilinger, Anton, Author
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1External Organizations, ou_persistent22              

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 Abstract: The secure communication of information plays an ever increasing role in our society today. Classical methods of encryption inherently rely on the difficulty of solving a problem such as finding prime factors of large numbers and can, in principle, be cracked by a fast enough machine. The burgeoning field of quantum communication relies on the fundamental laws of physics to offer unconditional information security. Here we introduce the key concepts of quantum superposition and entanglement as well as the no-cloning theorem that form the basis of this field. Then, we review basic quantum communication schemes with single and entangled photons and discuss recent experimental progress in ground and space-based quantum communication. Finally, we discuss the emerging field of high-dimensional quantum communication, which promises increased data rates and higher levels of security than ever before. We discuss recent experiments that use the orbital angular momentum of photons for sharing large amounts of information in a secure fashion.

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Language(s): eng - English
 Dates: 2016-12-14
 Publication Status: Issued
 Pages: -
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 Identifiers: DOI: DOI https://doi.org/10.1007/978-3-319-31903-2_18
ISBN: 978-3-319-31902-5
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Title: Optics in Our Time
Source Genre: Book
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Publ. Info: Springer, Cham
Pages: 17 Volume / Issue: - Sequence Number: - Start / End Page: 455 - 482 Identifier: -