Open Science Research Excellence
%0 Journal Article
%A Qing Fang and  Lianxi Jia and  Junfeng Song and  Chao Li and  Xianshu Luo and  Mingbin Yu and  Guoqiang Lo
%D 2016 
%J  International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering
%B World Academy of Science, Engineering and Technology
%I International Science Index 111, 2016
%T A High-Crosstalk Silicon Photonic Arrayed Waveguide Grating 
%V 111
%X In this paper, we demonstrated a 1 × 4 silicon photonic cascaded arrayed waveguide grating, which is fabricated on a SOI wafer with a 220 nm top Si layer and a 2µm buried oxide layer. The measured on-chip transmission loss of this cascaded arrayed waveguide grating is ~ 5.6 dB, including the fiber-to-waveguide coupling loss. The adjacent crosstalk is 33.2 dB. Compared to the normal single silicon photonic arrayed waveguide grating with a crosstalk of ~ 12.5 dB, the crosstalk of this device has been dramatically increased.

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