Design of compact LiNbO3 electro-optic modulators

Najm Anwar; B. M. Azizur Rahman; Kenneth T. V. Grattan

doi:10.1117/12.436041

30 July 2001 Design of compact LiNbO₃ electro-optic modulators

Najm Anwar, B. M. Azizur Rahman, Kenneth T. V. Grattan

Proceedings Volume 4532, Active and Passive Optical Components for WDM Communication; (2001) https://doi.org/10.1117/12.436041
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

A rigorous numerical model has been developed to study Ti:LiNbO₃ modulators. In this study two types of devices are examined: directional coupler-based and Mach-Zehnder interferometric-based modulators. The benefits of using etched ridge waveguides for the MZI modulator are also shown: namely a significant reduction in V_(pi )L and smaller, more compact bends for the input and output waveguides to the MZI modulator without incurring as high loss when compared with an unetched waveguide modulator. In this study it was then shown that the device characteristics of these modulators can be optimized by variation of some of the fabrication parameters.

Citation Download Citation

Najm Anwar, B. M. Azizur Rahman, and Kenneth T. V. Grattan "Design of compact LiNbO₃ electro-optic modulators", Proc. SPIE 4532, Active and Passive Optical Components for WDM Communication, (30 July 2001); https://doi.org/10.1117/12.436041

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