Title :
Modified slab photonic crystal structure for delay time enhancement using capsule shaped holes
Author :
Yun-sheng Chen ; Hosseini, Amir ; Kwong, David ; Zhao, Yang ; Subbaraman, Harish ; Chen, Ray T.
Author_Institution :
Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
A slow group velocity photonic crystal slab waveguide is designed using capsule shaped air holes in hexagonal lattice. The presented design achieves nearly flat band waveguiding with group-index of 21-36 over the normalized bandwidth (Deltaomega/omega) of 1.38%~0.4%.
Keywords :
optical design techniques; optical waveguides; photonic crystals; capsule shaped holes; delay time enhancement; flat band waveguiding; group velocity; hexagonal lattice; photonic crystal slab waveguide; photonic crystal structure; waveguide design; Bandwidth; Delay effects; Design engineering; Lattices; Optical buffering; Optical computing; Optical waveguides; Photonic crystals; Propagation delay; Slabs;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5222077