Crosstalk caused by fabrication errors in ageneralised Mach-Zehnder interferometer
- 17 July 1997
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 33 (15) , 1326-1327
- https://doi.org/10.1049/el:19970876
Abstract
The relationship between crosstalk and fabrication errors in a waveguide grating router is derived. The average crosstalk power from each unwanted channel is simply the ratio of the errors variance to the effective number of arms Neff, hence it can be reduced by increasing Neff. Very low levels of crosstalk are reported.Keywords
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