Asymmetric Mach-Zehnder germano-silicate channel waveguide interferometers for quantum cryptography systems

Asymmetric Mach-Zehnder channel waveguide interferometers possessing a 1.1 ns delay in one of the arms were fabricated using flame hydrolysis deposition of silica glass on silicon. Two modules were combined to form a single time-division interferometer for optical pulses. The composite interferomete...

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Veröffentlicht in:Electronics letters 2001-06, Vol.37 (13), p.846-847
Hauptverfasser: Bonfrate, G, Harlow, M, d, C, Maxwell, G, Townsend, P D
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creator Bonfrate, G
Harlow, M
d, C
Maxwell, G
Townsend, P D
description Asymmetric Mach-Zehnder channel waveguide interferometers possessing a 1.1 ns delay in one of the arms were fabricated using flame hydrolysis deposition of silica glass on silicon. Two modules were combined to form a single time-division interferometer for optical pulses. The composite interferometer exhibited a high fringe contrast ratio of 1:200 making it eminently suitable for use in compact, low error-rate quantum cryptography systems.
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title Asymmetric Mach-Zehnder germano-silicate channel waveguide interferometers for quantum cryptography systems
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