An ultra-compact colorless 50: 50 coupler based on PhC-like metamaterial structure. - Luluzi Lu; Minming Zhang; Feiya Zhou; Deming Liu (OFC, 2016)

Inverse-designed ultra-compact star-crossings based on PhC-like subwavelength structures. - Luluzi Lu; Minming Zhang; Dongyu Li; Feiya Zhou; Weijie Chang; Jiang Tang; Deming Liu (OFC, 2017)