Quantum Key Distribution

Details Quantum Key Distribution Quantum Key Distribution

2011-11-18

arxiv.org/abs/1111.4501v1

Chapter published in ''Femtosecond-Scale Optics'', ISBN 978-953-307-769-7, edited by Anatoli V. Andreev and released online, 2

Physics

Quantum Physics

20 pages, 12 figures

Scientific paper

This chapter describes the application of lasers, specifically diode lasers, in the area of quantum key distribution (QKD). First, we motivate the distribution of cryptographic keys based on quantum physical properties of light, give a brief introduction to QKD assuming the reader has no or very little knowledge about cryptography, and briefly present the state-of-the-art of QKD. In the second half of the chapter we describe, as an example of a real-world QKD system, the system deployed between the University of Calgary and SAIT Polytechnic. We conclude the chapter with a brief discussion of quantum networks and future steps.

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