High Glass Waveguide Multi/Demultiplexers with Small Device Size and Low Wavelength Response Sensitivity

Senichi SUZUKI, Satoshi SEKINE, Keizo SHUTO, Yasushige UEOKA, Isao NISHI

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Summary :

Small-size directional coupler type optical multi/demultiplexers using high refractive-index-difference composite-glass waveguides have been investigated. A novel design to minimize wavelength response sensitivity to waveguide width deviation in the coupler part was proposed. Composite glass waveguides with 5% were fabricated using Corning 7059 glass for the core and SiO2 for the cladding. 1.3/1.55-µm optical multi/demultiplexers with short coupler length of 300 µm, low insertion loss of 5 dB and high crosstalk attenuation of more than 25 dB were realized.

Publication
IEICE TRANSACTIONS on transactions Vol.E73-E No.1 pp.99-104
Publication Date
1990/01/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on International Conference on Integrated Optics and Optical Fiber Communication)
Category
Optical Waveguides and Their Devices

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