Abstract

A triplexer based on silicon nanophotonic wires consisting of two Bragg grating-assisted directional couplers is proposed. The device has low loss, low crosstalk, and a footprint of 210 ×40 μm. The 1-dB bandwidth for the channels located at 1310, 1490 and 1550 nm are 110, 20, and 20 nm, respectively.

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