Title :
Colorless grating couplers realized by interleaving dispersion engineered subwavelength structures
Author :
Xiaochuan Xu ; Subbaraman, Harish ; Kwong, David ; Covey, John ; Hosseini, Amir ; Chen, Ray T.
Author_Institution :
Univ. of Texas at Austin, Austin, TX, USA
Abstract :
A wideband grating coupler based on interleaving dispersion engineered subwavelength structures has been proposed and experimentally demonstrated. The fabricated device shows a coupling efficiency of 5.1dB and a 1dB bandwidth of 70 nm.
Keywords :
diffraction gratings; optical couplers; optical dispersion; colorless grating couplers; coupling efficiency; interleaving dispersion engineered subwavelength structures; wideband grating coupler; Bandwidth; Couplers; Dispersion; Filling; Gratings; Indexes; Optical waveguides;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
