Silicon/electro-optic polymer hybrid directional coupler switch

被引：5
|
作者：
Herrera, Oscar D. [1 ]
Himmelhuber, Roland [1 ]
Kim, Kyung-Jo [1 ]
Norwood, Robert A. [1 ]
Peyghambarian, Nasser [1 ]
机构：
[1] Univ Arizona, Tucson, AZ 85721 USA
来源：
OPTICAL INTERCONNECTS XIV | 2014年 / 8991卷
关键词：
electro optic effect; optical waveguides; optical polymers; semiconductor waveguides; silicon devices;
D O I：
10.1117/12.2040068
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A silicon waveguide in an electro-optic (EO) polymer cladding-based directional coupler switch was designed and fabricated. Optimal dimensions for efficient coupling and minimal crosstalk are found analytically (coupled mode theory) and numerically for 1550nm wavelength. Both coplanar electrode spacing and height are taken into account for most effective poling conditions and performance. The design consists of two 255nm wide waveguides separated by 500nm and is optimized for TE propagation. With an electrode separation of 4 mu m and coupling length of 1.7cm, a switching voltage (V-s) < 10V at an r(33) of 250pm/V is expected.
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页数：8
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