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Very high-responsivity evanescently coupled photodiodes integrating a short planar multimode waveguide for high-speed applications

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8 Author(s)
Demiguel, S. ; Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA ; Li, Ning ; Xiaowei Li ; Xiaoguang Zheng
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We report an evanescently coupled photodiode that utilizes a short planar multimode waveguide. Very high responsivity (> 1 A/W) with polarization dependence less than 0.5 dB, 48-GHz bandwidth, and 11-mA saturation current were achieved.

Published in:

Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 12 )