Characterize and optimize the four-wave mixing in dual-interferometer coupled silicon microrings

Wu Chao¹, Liu Yingwen¹, Gu Xiaowen², Xue Shichuan¹, Yu Xinxin², Kong Yuechan², Qiang Xiaogang¹, Wu Junjie¹, Zhu Zhihong¹, Xu Ping^{1, 3, ‡}

Experimental setup and the photograph of our dual-interferometer coupled silicon microrings. PC, polarization controller; DWDM, dense wavelength division multiplexer; FA, fiber array; PM, power meter.