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

Research output: Chapter in Book/Report/Conference proceedingConference contribution


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.
Original languageEnglish
Title of host publicationEuropean Quantum Electronics Conference 2015
PublisherOSA Publishing
ISBN (Print)9781467374750
Publication statusPublished - 2014
EventEuropean Conference on Lasers and Electro-Optics 2015 - Munich, Germany
Duration: 21 Jun 201525 Jun 2015


ConferenceEuropean Conference on Lasers and Electro-Optics 2015
Abbreviated titleCLEO Europe 2015

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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