Title :
Topology-optimized slow-light couplers for ring-shaped photonic crystal waveguide
Author :
Pu, Minhao ; Yang, Lirong ; Frandsen, Lars H. ; Jensen, Jakob S. ; Sigmund, Ole ; Ou, Haiyan ; Yvind, Kresten ; Hvam, Jørn M.
Author_Institution :
Dept. of Photonics Eng., Tech. Univ. of Denmark, Lyngby, Denmark
Abstract :
We demonstrate a topology-optimized coupler for a ring-shaped photonic crystal waveguide to improve the coupling of light located in the slow-light regime. An enhancement of the coupling efficiency of up to 2.5 dB is experimentally demonstrated.
Keywords :
optical couplers; optical waveguides; optimisation; photonic crystals; slow light; coupling efficiency; ring-shaped photonic crystal waveguide; slow-light regime; topology-optimized slow-light couplers; Couplers; Design optimization; Integrated optics; Optical coupling; Optical reflection; Optical waveguides; Photonic crystals; Refractive index; Slow light; Topology;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
