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We experimentally demonstrate a low-loss and low-crosstalk 16-channel 200 GHz-channel-spacing arrayed waveguide grating router (AWGR) with a size of 0.67 &#x00D7; 0.37 mm<sup>2</sup>, targeting for C-band wavelength division multiplexing (WDM) interconnect routing applications. As a result, the AWGR features a channel spacing of 200&#x00B1;10 GHz, a free spectral range of 25.62 nm and a 3 dB channel bandwidth of 0.9 nm. Based on comprehensive optimal design, the measured characterization revealed 5.55 dB maximum channel loss non-uniformity with 1.13 dB best-case channel insertion loss. Besides, the fabricated device exhibits good cyclic-frequency operation for all 16 &#x00D7; 16 port combinations with channel crosstalk of &#x2013;15.11 dB.

Low-Loss Silicon Photonic 16 × 16 Cyclic AWGR Based on SOI Platform