Optical switching technologies and their applications

Caterina Ciminelli; F. Meli; Giorgio Grasso

doi:10.1117/12.426811

15 May 2001 Optical switching technologies and their applications

Caterina Ciminelli, F. Meli, Giorgio Grasso

Proceedings Volume 4277, Integrated Optics Devices V; (2001) https://doi.org/10.1117/12.426811
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

In this paper system applications, geometry, physical effects and materials of optical switching devices are reviewed. Main system scenarios are presented and some key features such as size, loss, speed, scalability and granularity are highlighted. Two principal categories of optical switches are considered, i.e. guided-wave switches and free-space switches. In the first category some sub- classes have been identified according to their geometrical configuration, principle of operation and, then physical mechanism and materials. As for the geometry, the most frequently used configurations are briefly described together with their advantages and disadvantages. Different physical effects suitable to obtain the index change, which the switching function is based on, are also described with reference to the material substrates. Switches based on semiconductor optical amplifier gate are also analyzed. In the free-space category the main sub-classes are represented by the opto-mechanical devices and micro-opto-electro- mechanical systems switches. The last technology combines the free-space interconnecting with the integration capability on a single silica chip. The main advantages such as the ability to scaling up to large switch fabric and some issues such as packaging and reliability are analyzed. Finally, devices based on polarization change, acousto- optics interaction, total internal reflection and holography are illustrated.

Citation Download Citation

Caterina Ciminelli, F. Meli, and Giorgio Grasso "Optical switching technologies and their applications", Proc. SPIE 4277, Integrated Optics Devices V, (15 May 2001); https://doi.org/10.1117/12.426811

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