PPLN-based all-optical 40 Gbit/s three-input logic AND gate for both NRZ and RZ signals
- 13 March 2008
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 44 (6) , 413-414
- https://doi.org/10.1049/el:20080014
Abstract
Reported is an all-optical high-speed three-input logic AND gate using cascaded sum- and difference-frequency generation (cSFG/DFG) in a periodically poled lithium niobate (PPLN) waveguide. The converted idler wave via cSFG/DFG carries the AND result of the three-input signals. PPLN-based 40 Gbit/s three-input logic AND operations for both non-return-to-zero (NRZ) and return-to-zero (RZ) signals are successfully demonstrated in the experiment.Keywords
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