Increased sensitivity through maximizing the extinction ratio of SOI delay-interferometer receiver for 10G DPSK

[EN] We present an optimized design for a 10G- differential-phase-shift-keyed (DPSK) receiver based on a silicon-on-insulator (SOI) unbalanced tunable Mach-Zehnder interferometer (MZI) switch in sequence with a Mach-Zehnder delay interferometer (MZDI). The proposed design eliminates the limitation i...

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Bibliographic Details
Authors: Aamer, Mariam, Brimont, Antoine Christian Jacques, Gutiérrez Campo, Ana María, Håkansson, A., Griol Barres, Amadeu, Sanchis Kilders, Pablo|||0000-0003-2984-4218
Format: article
Publication Date:2012
Country:España
Institution:Universitat Politècnica de València (UPV)
Repository:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Language:English
OAI Identifier:oai:riunet.upv.es:10251/30802
Online Access:https://riunet.upv.es/handle/10251/30802
Access Level:Open access
Keyword:Article
Computer aided design
Equipment
Equipment design
Instrumentation
Interferometry
Sensitivity and specificity
Signal processing
Telecommunication
Computer-Aided Design
Equipment Failure Analysis
Signal Processing, Computer-Assisted
Telecommunications
Enhanced sensitivity
Extinction ratios
Fixed wavelength
Mach-Zehnder delay interferometers
Micro-heaters
Operating wavelength
Optimized designs
Receiver sensitivity
Silicon-on-insulators
Waveguide propagation
Optical constants
Optics
TEORIA DE LA SEÑAL Y COMUNICACIONES
Description
Summary:[EN] We present an optimized design for a 10G- differential-phase-shift-keyed (DPSK) receiver based on a silicon-on-insulator (SOI) unbalanced tunable Mach-Zehnder interferometer (MZI) switch in sequence with a Mach-Zehnder delay interferometer (MZDI). The proposed design eliminates the limitation in sensitivity of the device produced by the waveguide propagation losses in the delay line. A 2.3 dB increase in receiver sensitivity at a bit-error-rate (BER) of 10 -9 is experimentally measured over a standard implementation. The enhanced sensitivity is achieved with zero power consumption by tuning the operating wavelength or with less than 5mW for a fixed wavelength using microheaters. Also the foot-print of the device is minimized to 0.11mm 2 by the use of compact spirals. © 2012 Optical Society of America.

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