The design, fabrication, and characterization of an InP based AWG for Coarse Wavelength Division Multiplexing (CWDM) is presented. An S-shape design is utilized to accommodate the large free spectral range required for CWDM. The AWG has four channels with 20nm spacing centered at 1525nm. The crosstalk is less than -10dB.

© 2004 Optical Society of America

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