Design of Electrooptic Modulators Using a Multiobjective Optimization Approach

This paper presents preliminary results of a multiobjective approach for optimization of design parameters of Mach-Zehnder-based lithium niobate modulators. This process uses a genetic algorithm to iteratively refine candidate sets of parameters, and the characterization of the modulators is perform...

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Bibliographic Details
Published in:Journal of lightwave technology 2008-08, Vol.26 (16), p.2969-2976
Main Authors: Muraro, A., Passaro, A., Abe, N.M., Preto, A.J., Stephany, S.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Computer-aided engineering
Design optimization
Design parameters
Electric potential
Electric, optical and optoelectronic circuits
Electrodes
Electronics
electrooptic modulation
Electrooptic modulators
Exact sciences and technology
Finite element methods
Genetic algorithms
Impedance
Information, signal and communications theory
Integrated optoelectronics. Optoelectronic circuits
Lithium niobate
Mathematical analysis
Microwave devices
Microwaves
Modulation, demodulation
Modulators
Optical and optoelectronic circuits
Optimization
optimization method
Optoelectronic devices
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Signal and communications theory
Telecommunications and information theory
Testing
traveling-wave devices
Voltage
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Description
Summary:This paper presents preliminary results of a multiobjective approach for optimization of design parameters of Mach-Zehnder-based lithium niobate modulators. This process uses a genetic algorithm to iteratively refine candidate sets of parameters, and the characterization of the modulators is performed by the finite-element method. Test cases include optimization of a conventional Mach-Zehnder modulator and a variation of this kind of device using additional floating electrodes. The set of characteristics includes parameters such as the characteristic impedance, the effective index of the microwave, and the half-wave voltage.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2008.919479