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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 16 — Aug. 3, 2009
  • pp: 13516–13525

Phase-controlled integrated photonic quantum circuits

Brian J. Smith, Dmytro Kundys, Nicholas Thomas-Peter, P. G. R. Smith, and I. A. Walmsley  »View Author Affiliations


Optics Express, Vol. 17, Issue 16, pp. 13516-13525 (2009)
http://dx.doi.org/10.1364/OE.17.013516


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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.

© 2009 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(230.7370) Optical devices : Waveguides
(270.0270) Quantum optics : Quantum optics
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: May 18, 2009
Revised Manuscript: June 24, 2009
Manuscript Accepted: June 25, 2009
Published: July 22, 2009

Citation
Brian J. Smith, Dmytro Kundys, Nicholas Thomas-Peter, P. G. R. Smith, and I. A. Walmsley, "Phase-controlled integrated photonic quantum circuits," Opt. Express 17, 13516-13525 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-16-13516


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