Generating and sensing signals for quantum cryptography using phase encoding in compact silica-on-silicon Mach-Zehnder circuits with Bragg gratings

M. Kristensen; T. Balle; J. Selchau; K. B. Sigvardt; N. Groothoff

doi:10.1117/12.914310

30 January 2012 Generating and sensing signals for quantum cryptography using phase encoding in compact silica-on-silicon Mach-Zehnder circuits with Bragg gratings

M. Kristensen, T. Balle, J. Selchau, K. B. Sigvardt, N. Groothoff

Author Affiliations +

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83510X (2012) https://doi.org/10.1117/12.914310
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

We have realized phase encoding and sensing of signals for quantum cryptography in compact circuits made with standard silica-on-silicon technology. The circuits include Bragg grating filters allowing multichannel cryptography with dense channel spacing, and they are thermally balanced to avoid crosstalk.

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M. Kristensen, T. Balle, J. Selchau, K. B. Sigvardt, and N. Groothoff "Generating and sensing signals for quantum cryptography using phase encoding in compact silica-on-silicon Mach-Zehnder circuits with Bragg gratings", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510X (30 January 2012); https://doi.org/10.1117/12.914310

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