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Proceedings Paper

Design of compact LiNbO3 electro-optic modulators
Author(s): Najm Anwar; B. M. Azizur Rahman; Kenneth T. V. Grattan
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Paper 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.

Paper Details

Date Published: 30 July 2001
PDF: 12 pages
Proc. SPIE 4532, Active and Passive Optical Components for WDM Communication, (30 July 2001); doi: 10.1117/12.436041
Show Author Affiliations
Najm Anwar, City Univ. (United Kingdom)
B. M. Azizur Rahman, City Univ. (United Kingdom)
Kenneth T. V. Grattan, City Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 4532:
Active and Passive Optical Components for WDM Communication
Achyut Kumar Dutta; Abdul Ahad Sami Awwal; Niloy K. Dutta; Katsunari Okamoto, Editor(s)

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