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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N. Zhu, Z. Wang, L. Wosinski, and S. He, "Bragg Grating-Assisted Optical Triplexer Using Two Silicon Nanowire-Based Directional Couplers," in Asia Communications and Photonics Conference and Exhibition, Technical Digest (CD) (Optical Society of America, 2009), paper WI1.
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