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Theoretical study of implementing an all-optical analogue-to-digital conversion based on the Mach–Zehnder interferometric configurations
Alexander Shcherbakov
IVAN HERNANDEZ ROMANO
Acceso Abierto
Atribución-NoComercial-SinDerivadas
Analogue-to-digital (A-D) converter
Self-phasemodulation(SPM)
Cross-phasemodulation (CPM)
Mach–Zehnder interferometric configuration
A new technique of ultrafast analogue-to-digital (A-D) conversion for an all-optical data processing is proposed. This technique is based on the Kerr nonlinearity-induced cross-phase modulation in single-mode Mach–Zehnder interferometer configurations arranged in a specific way. Two schemes, capable of realizing both sequential and parallel A-D conversions of optical signals are considered. The potential for an extremely high-bit-rate processing, up to 1 THz in each converter, is due to a femtosecond time response of Kerr effect in fused silica glass. Optical schemes of proposed devices are presented and algorithmically estimated; their functional capabilities are discussed.
Optik
2010
Artículo
Inglés
Estudiantes
Investigadores
Público en general
Shcherbakov, A. S. and Hernandez Romano, I., (2010). Theoretical study of implementing an all-optical analogue-to-digital conversion based on the Mach–Zehnder interferometric configurations, Optik. Vol. 121(14):1330–1336
ÓPTICA
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