Title :
Very high-responsivity evanescently coupled photodiodes integrating a short planar multimode waveguide for high-speed applications
Author :
Demiguel, Stephane ; Li, Ning ; Li, Xiaowei ; Zheng, Xiaoguang ; Kim, Jooyong ; Campbell, Joe C. ; Lu, Hanfei ; Anselm, Alex
Author_Institution :
Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA
Abstract :
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.
Keywords :
integrated optics; optical planar waveguides; photodiodes; high-speed applications; polarization dependence; saturation current; short planar multimode waveguide; very high responsivity; very high-responsivity evanescently coupled photodiodes; Bandwidth; Etching; High speed optical techniques; Optical planar waveguides; Optical refraction; Optical surface waves; Optical variables control; Optical waveguides; Photodiodes; Planar waveguides;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.819724
