Integrated Photonic Transmitter and Receiver for Quantum Key Distribution

Philip Sibson; Mark Godfrey; Chris Erven; Shigehito Miki; Taro Yamashita; Mikio Fujiwara; Masahide Sasaki; Hirotaka Terai; Michael G. Tanner; Chandra M. Natarajan; Robert H. Hadfield; Jeremy O’Brien; Mark G Thompson

2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
(Optica Publishing Group, 2015),
paper JSV_4_5

Integrated Photonic Transmitter and Receiver for Quantum Key Distribution

Philip Sibson, Mark Godfrey, Chris Erven, Shigehito Miki, Taro Yamashita, Mikio Fujiwara, Masahide Sasaki, Hirotaka Terai, Michael G. Tanner, Chandra M. Natarajan, Robert H. Hadfield, Jeremy O’Brien, and Mark G Thompson

The European Conference on Lasers and Electro-Optics 2015

Munich Germany
21–25 June 2015
ISBN: 978-1-4673-7475-0

From the session
Manipulation of Quantum Information on Chip (JSV_4)

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P. Sibson, M. Godfrey, C. Erven, S. Miki, T. Yamashita, M. Fujiwara, M. Sasaki, H. Terai, M. G. Tanner, C. M. Natarajan, R. H. Hadfield, J. O’Brien, and M. G. Thompson, "Integrated Photonic Transmitter and Receiver for Quantum Key Distribution," in 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, (Optica Publishing Group, 2015), paper JSV_4_5.

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Abstract

Quantum Key Distribution (QKD) is one of the first commercially available quantum technologies and provides a means for distributing shared secret random keys between two users (Alice and Bob) in order to encrypt information sent between them. It has seen a number of long range demonstrations using either fibre or free-space links and many groups are actively working towards satellite communications [1]. Very recently, integrated photonics has developed to the point where it can provide a stable, compact, miniaturized and robust platform which can be used to implement complex photonic circuits including those required for QKD [2]. The phase stability of integrated photonics makes it particularly suitable for manipulating quantum information encoded in different time-bins, an encoding extensively used in fibre-based QKD communication systems.

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