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Proceedings Paper

On the use of generalized telegrapher’s equations in the synthesis of electro-optic modulators
Author(s): Tullio Rozzi; Andrea Di Donato; Marco Farina; Giuseppe Venanzoni; Alessandro Massaro
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Paper Abstract

This paper considers the application of the Generalized Telegrapher’s Equations (GTE) to the electromagnetic modelling and designing of integrated electro-optical devices. This approach allows to eliminate the restrictions introduced by others models, as: weakly guiding condition and isotropic unperturbed medium and to value the modulator time response for a generic modulating signal. The presence of small dielectric perturbations and the large difference between the optical and modulating signal frequencies are the hypotheses considered in deriving the model. The analysis has been applied to a GaAs phase modulator in order to validate the equations and to evidence the effects of the induced anisotropy on the time-domain response. The model can be extended to the analysis of multimode dielectric waveguides, such as independent polarization and directional coupler modulator.

Paper Details

Date Published: 18 August 2004
PDF: 8 pages
Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); doi: 10.1117/12.545083
Show Author Affiliations
Tullio Rozzi, Univ. Politecnica delle Marche (Italy)
Andrea Di Donato, Univ. Politecnica delle Marche (Italy)
Marco Farina, Univ. Politecnica delle Marche (Italy)
Giuseppe Venanzoni, Univ. Politecnica delle Marche (Italy)
Alessandro Massaro, Univ. Politecnica delle Marche (Italy)

Published in SPIE Proceedings Vol. 5451:
Integrated Optics and Photonic Integrated Circuits
Giancarlo C. Righini; Seppo Honkanen, Editor(s)

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