作者: Reza Ashrafi , Junjia Wang , Ivan Glesk , Lawrence R. Chen
DOI: 10.1109/GROUP4.2015.7305983
关键词:
摘要: We demonstrate a novel integrated optical delay line approach based on silicon subwavelength gratings (SWGs). By 30% change in duty-cycle of SWG waveguides with same length 8mm to control their group index, up ∼30ps time-delay was achieved.