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Optical Engineering

Advance in thermo-optical switches: principles, materials, design, and device structure
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Paper Abstract

All-optical networking can be the sole approach to provide the huge bandwidth required for future networks. The essential elements in such an optical network are optical switches. A number of options have been proposed in order to implement them efficiently. We focus on thermo-optical switches. First, the physical principles of the thermo-optic effect are briefly introduced. A description of the most common technologies used for the fabrication of thermo-optic switches is provided along with the values of thermo-optic coefficient for a number of materials. The main steps useful in order to design thermo-optical switches are also briefly introduced. Finally, a bird's-eye view of the main and recent proposals of switches based on the thermo-optic effect is reported and their performances compared.

Paper Details

Date Published: 1 July 2011
PDF: 15 pages
Opt. Eng. 50(7) 071112 doi: 10.1117/1.3574378
Published in: Optical Engineering Volume 50, Issue 7
Show Author Affiliations
Giuseppe Coppola, Istituto per la Microelettronica e Microsistemi (Italy)
Luigi Sirleto, Istituto per la Microelettronica e Microsistemi (Italy)
Ivo Rendina, Istituto per la Microelettronica e Microsistemi (Italy)
Mario Iodice, Istituto per la Microelettronica e Microsistemi (Italy)

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