Title :
Large-scale and high-density planar lightwave circuits with high- Delta GeO2-doped silica waveguides
Author :
Suzuki, Satoshi ; Shuto, Kazuo ; Takahashi, Hiroki ; Hibino, Y.
Author_Institution :
NTT Optoelectronics Labs., Ibaraki, Japan
Abstract :
GeO2-doped silica waveguides with a high refractive index difference ( Delta ) of 2% and a propagation loss of 0.1 dB/cm are fabricated on Si substrates. 200 cm-long test circuits and ring resonators are demonstrated, both with a minimum curvature of 2 mm.
Keywords :
germanium compounds; integrated optics; optical losses; optical resonators; optical waveguides; silicon compounds; 200 cm; Si substrates; SiO 2:GeO 2 waveguides; high refractive index difference; high-density planar lightwave circuits; large scale lightwave circuits; minimum curvature; propagation loss; ring resonators;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921192