Title :
Crosstalk Reduction in a Shallow-Etched Silicon Nanowire AWG
Author :
Kim, Duk-Jun ; Lee, Jong-Moo ; Song, Jung Ho ; Pyo, Junghyung ; Kim, Gyungock
Abstract :
We introduced shallow-etched silicon nanowire into the arrayed waveguides to decrease the random phase error due to the core width fluctuation. A fairly improved crosstalk value of 18 dB was achieved in the fabricated arrayed-waveguide grating with the on-chip loss of 3 dB.
Keywords :
Arm; Arrayed waveguide gratings; Crosstalk; Etching; Fluctuations; Optical interferometry; Optical waveguides; Phased arrays; Polarization; Silicon on insulator technology; Arrayed-waveguide grating (AWG); crosstalk; silicon nanowire; silicon-on-insulator technology;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2008.2002731