The crosstalk performance of a four-port electrooptic tunable filter in lithium niobate is analyzed, based on the transient response of the filter to an input optical pulse. Crosstalk is calculated for Blackman apodizing functions for input pulse widths representative of high-data-rate systems. It is concluded that crosstalk level below -30 dB for 20 Gb/s data rates and 100 GHz channel spacing is achievable with presently available substrate dimensions.
Crosstalk in guided-wave electro-optic tunable filters
Optical Fiber and Planar Waveguide Technology ; 2001 ; Beijing,China
Proc. SPIE ; 4579
2001-10-19
Conference paper
Electronic Resource
English
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