On the use of generalized telegrapher’s equations in the synthesis of electro-optic modulators

Tullio Rozzi; Andrea Di Donato; Marco Farina; Giuseppe Venanzoni; Alessandro Massaro

doi:10.1117/12.545083

18 August 2004 On the use of generalized telegrapher's equations in the synthesis of electro-optic modulators

Tullio Rozzi, Andrea Di Donato, Marco Farina, Giuseppe Venanzoni, Alessandro Massaro

Proceedings Volume 5451, Integrated Optics and Photonic Integrated Circuits; (2004) https://doi.org/10.1117/12.545083
Event: Photonics Europe, 2004, Strasbourg, France

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.

Citation Download Citation

Tullio Rozzi, Andrea Di Donato, Marco Farina, Giuseppe Venanzoni, and Alessandro Massaro "On the use of generalized telegrapher's equations in the synthesis of electro-optic modulators", Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); https://doi.org/10.1117/12.545083

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