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首页> 外文会议>Conference on Integrated Optics Devices Ⅴ Jan 23-25, 2001, San Jose, USA >Optical switching technologies and their applications
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Optical switching technologies and their applications

机译：光交换技术及其应用

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摘要

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 (MOEMS) 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 issue such us packaging and reliability are analyzed. Finally, devices based on polarization change, acousto-optics interaction, total internal reflection and holography are illustrated.
机译：在本文的系统应用中，对光学开关设备的几何形状，物理效果和材料进行了综述。介绍了主要的系统方案，并重点介绍了一些关键功能，例如大小，损耗，速度，可伸缩性和粒度。考虑了光学开关的两个主要类别，即，导波开关和自由空间开关。在第一类中，根据其几何构造，工作原理以及物理机制和材料确定了一些子类。对于几何形状，将简要介绍最常用的配置及其优点和缺点。还参考材料衬底描述了适合于获得折射率变化的不同物理效应，其是切换功能所基于的。还分析了基于半导体光放大器门的开关。在自由空间类别中，主要子类别由光机械设备和微光机电系统（MOEMS）开关表示。最后一项技术将自由空间互连与集成能力集成在单个二氧化硅芯片上。分析了诸如扩展到大型交换矩阵的能力等主要优势，以及诸如包装和可靠性之类的问题。最后，说明了基于偏振变化，声光相互作用，全内反射和全息术的设备。

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