Polarization-insensitive thermo-optic switch based on multimode polymeric waveguides with an ultralarge optical bandwidth

被引：8
|
作者：
Lu, XJ [1 ]
An, DC [1 ]
Sun, L [1 ]
Zhou, QJ [1 ]
Chen, RT [1 ]
机构：
[1] Univ Texas, Dept Elect & Comp Engn, Microelect Res Ctr, Austin, TX 78712 USA
来源：
APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 16期
关键词：
D O I：
10.1063/1.126283
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A promising polarization-insensitive thermo-optic switch based on multimode polymeric waveguides is reported. This device has a packing density of 40 channels/cm. Simulation result shows that an extinction ratio of greater than 20 dB can be achieved with the device-electrode interaction length of 30 mm. The thermo-optic switch operating at wavelengths of 632.8 nm and 1.3 mu m has been demonstrated experimentally with extinction ratios of 21 and 22 dB, respectively. Such a device has an intrinsic wide optical bandwidth due to the large dynamic range of the phase-matching condition implied by the multimode waveguides. The material employed provides us with a switching speed of 100 mu s. (C) 2000 American Institute of Physics. [S0003-6951(00)03417-3].
引用
收藏
页码：2155 / 2157
页数：3
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