DocumentCode
870647
Title
Ring resonators composed of GeO2-doped silica waveguides
Author
Kominato, Toshimi ; Ohmori, Yasuji ; Takato, Norio ; Okazaki, Hisaaki ; Yasu, Mitsuho
Author_Institution
NTT Opto-electron. Lab., Ibaraki, Japan
Volume
10
Issue
12
fYear
1992
fDate
12/1/1992 12:00:00 AM
Firstpage
1781
Lastpage
1788
Abstract
Ring resonators composed of GeO2-doped silica waveguides fabricated on silicon substrates by a flame hydrolysis deposition method are described. GeO2-doped silica waveguides are developed to provide a lower propagation loss than that of TiO2 -doped silica waveguides. Since the finesse and transmission at resonance is determined mainly by total loss in the ring, the loss characteristics of the fundamental components are investigated in detail. Experimental and theoretical investigations show that a finesse of the ring resonator for GeO2-doped silica waveguides is about 2.7 times higher than that for TiO2-doped silica waveguides with the same transmission at resonance
Keywords
germanate glasses; integrated optics; optical glass; optical losses; optical resonators; optical waveguides; GeO2-SiO2; GeO2-doped silica waveguides; Si substrates; finesse; flame hydrolysis deposition method; loss characteristics; planar waveguides; propagation loss; resonance; ring resonator; total loss; transmission; Circuits; Optical devices; Optical ring resonators; Optical sensors; Optical waveguides; Performance loss; Programmable control; Propagation losses; Resonance; Silicon compounds;
fLanguage
English
Journal_Title
Lightwave Technology, Journal of
Publisher
ieee
ISSN
0733-8724
Type
jour
DOI
10.1109/50.202829
Filename
202829
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