Title :
Band-structure approach to synthesis of grating couplers with ultra-high coupling efficiency and directivity
Author :
Notaros, Jelena ; Popovic, Milos A.
Author_Institution :
Dept. of Electr., Comput., & Energy Eng., Univ. of Colorado, Boulder, CO, USA
Abstract :
We propose a complex-wavevector band-structure approach to synthesis of fiber-to-chip grating couplers, and show apodized bi-level designs with 95% coupling efficiency and 99% directivity using only two device layers of a monolithic SOI CMOS process.
Keywords :
CMOS integrated circuits; diffraction gratings; monolithic integrated circuits; optical fibre couplers; silicon-on-insulator; complex-wavevector band-structure; fiber-to-chip grating couplers; monolithic SOI CMOS; CMOS integrated circuits; Couplers; Couplings; Gratings; Optical coupling; Photonics;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
