Broadband Polarization Beam Splitters Based on MMI Couplers with Internal Photonic Crystals Fabricated Using 193 nm Photolithography.
Luhua XuDeng MaoJinsong ZhangYun WangZhenping XingMd Samiul AlamMaxime JacquesYannick D'MelloSantiago BernalDavid V. PlantPublished in: OFC (2021)