supported by the National Nature Science Foundation of China (Grant No.60572013 and 60736035);the National "863"Program of China (Grant No. 2007AA01Z272);partly supported by the Program for New Century Excellent Talents in Ministry of Education of China
We demonstrate a novel all-optical half-adder based on two semiconductor optical amplifiers(SOAs).Two optical band-pass filters are used to select the two idlers generated by four-wave mixing(FWM) effect of the first ...