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InP-based 4-channel AWGs for Coarse Wavelength Division Multiplexing (CWDM) with channel spacing of 20nm and Local Area Network (LAN) WDM with channel spacing of 800GHz are designed and fabricated. The deep-ridge waveguide is used to make the chip compact, chip size of AWG for CWDM is 0.55×3.9mm2 and for LAN WDM is 1.6×3mm2. The measured results indicate that, the insertion losses are −5dB and −7dB,...
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