InGaAsP Y-branch grating demultiplexer
- 26 March 1987
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 23 (7) , 321-322
- https://doi.org/10.1049/el:19870238
Abstract
We report on the fabrication of a passive Y-branch wavelength-division demultiplexer with InGaAsP/InP rib waveguides. The wavelength-selective elements are Bragg reflection gratings on top of the two output ribs of the branch. A channel spacing of 13.5 nm in the 1.5μm region and a crosstalk attenuation of more than 18 dB for TE-polarised light were achieved.Keywords
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