Quantum information technology with Sagnac interferometer: Interaction-free measurement, quantum key distribution and quantum secret sharing

Details Quantum information technology with Sagnac interferometer: Interaction-free measurement, quantum key distribution and quantum secret sharing Quantum information technology with Sagnac interferometer: Interaction-free measurement, quantum key distribution and quantum secret sharing

2007-06-08

arxiv.org/abs/0706.1228v1

Physics

Quantum Physics

15 pages and 9 figures

Scientific paper

10.1080/09500340701633113

The interferometry of single-photon pulses has been used to implement quantum technology systems, like quantum key distribution, interaction-free measurement and some other quantum communication protocols. In most of these implementations, Mach-Zehnder, Michelson and Fabry-Perot interferometers are the most used. In this work we present optical setups for interaction-free measurement, quantum key distribution and quantum secret sharing using the Sagnac interferometer. The proposed setups are described as well the quantum protocols using them are explained.

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