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1. 发明申请

WO0140849A3 ELECTRO-OPTIC SWITCHING ASSEMBLY AND METHOD 审中-公开
标题翻译：电光开关组件和方法
公开(公告)号：WO0140849A3
公开(公告)日：2001-11-15
申请号：PCT/US0030481
申请日：2000-11-03
申请人： TELOPTICS CORP , ROMANOVSKY ALEXANDER B , HAERTLING GENE H
发明人： ROMANOVSKY ALEXANDER B , HAERTLING GENE H
IPC分类号： G02B6/12 , G02B6/35 , G02F1/055 , G02F1/313 , G02F1/315 , H04Q11/00 , G02F1/025 , G02F1/03 , H04J14/02
CPC分类号： H04Q11/0003 , G02B6/3546 , G02B6/3596 , G02B2006/12145 , G02F1/055 , G02F1/3137 , G02F1/315
摘要： An optical switch (218) is integrated into a planar waveguide substrate in order to selectively switch light (240, 301, 351) entering the switch from one waveguide (232, 234) to exit the switch along either of at least two other waveguides (236, 238). The optical switch (218) includes an electro-optic material (222), preferably PLTZ, that is deposited into a cavity (220) formed within the substrate (214). The switch (218) includes first and second regions (226, 228) that interface at a boundary (230), and the electro-optic material (222) is located in one of the regions (226, 228) such that an electrical field source (212, 213, 224) coupled to the material (222) in the one region (226) adjusts the boundary (230) between transmission and reflection modes. PLTZ is provided in the switch (11) in a formulation that provides little hysteresis with respect to the applied field, and in particular is a non-ferroelectric, cubic, relaxor, polycrystalline, ceramic type having a lanthanum concentration of between about 8.5% and about 9.0%.
摘要翻译：光开关（218）被集成到平面波导衬底中以便选择性地将从一个波导（232,234）进入开关的光（240,301,351）沿着至少两个其他波导（232,234）中的任一个离开开关 236，238）。光学开关（218）包括沉积在形成在衬底（214）内的空腔（220）中的电光材料（222），优选为PLTZ。开关（218）包括在边界（230）处交界的第一和第二区域（226,228），并且电光材料（222）位于区域（226,228）中的一个中，使得电场耦合到一个区域（226）中的材料（222）的源（212,213,224）调整透射和反射模式之间的边界（230）。 PLTZ在开关（11）中以相对于施加电场几乎不提供滞后作用的配方提供，并且特别是镧浓度在约8.5％和约8.5％之间的非铁电立方弛豫多晶陶瓷类型约9.0％。

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