Title :
Localized defect modes with high Q in a photonic crystal slab on a low-index dielectric substrate
Author :
Miyai, E. ; Sakoda, K.
Author_Institution :
Res. Inst. for Electron. Sci., Hokkaido Univ., Sapporo, Japan
Abstract :
Localized defect modes in a photonic crystal slab on a SiO/sub 2/ substrate have been analyzed by means of the finite-difference time-domain method. A quality factor of 1800 was obtained for a mode with the B/sub 1/ spatial symmetry.
Keywords :
Q-factor; eigenvalues and eigenfunctions; finite difference time-domain analysis; localised modes; photonic band gap; SiO/sub 2/; air holes; density of states; eigenfrequencies; finite-difference time-domain method; localized defect modes; low-index dielectric substrate; photonic crystal slab; quality factor; refractive indices; regular hexagonal array; spatial symmetry; vertical confinement; Crystalline materials; Dielectric materials; Dielectric substrates; Fabrication; Finite difference methods; Periodic structures; Photonic crystals; Q factor; Slabs; Time domain analysis;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.970973
