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Phase-controlled integrated photonic quantum circuits

By Brian J. Smith, Dmytro Kundys, Nicholas Thomas-Peter, P.G.R. Smith and I.A. Wamsley

Abstract

Scalable photonic quantum technologies are based on multiple nested interferometers. To realize this architecture, integrated optical structures are needed to ensure stable, controllable, and repeatable operation. Here we show a key proof-of-principle demonstration of an externally controlled photonic quantum circuit based upon UV-written waveguide technology. In particular, we present non-classical interference of photon pairs in a Mach-Zehnder interferometer constructed with X couplers in an integrated optical circuit with a thermo-optic phase shifter in one of the interferometer arms

Topics: Q, TK, T, QC
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:70892
Provided by: e-Prints Soton
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