TY - GEN T1 - Towards compact high-efficiency grating couplers for visible wavelength photonics UR - http://dx.doi.org/10.1364/OL.468275 PY - 2021/09/30 AU - Smith JA AU - Monroy-Ruz J AU - Jiang P AU - Rarity JG AU - Balram KC ED - Y2 - 2025/03/10 ER -