Title:Towards High Speed of All-Optical Logic and Switches Using Semiconductor Optical Amplifiers
VOLUME: 6 ISSUE: 1
Author(s):Peng Zhou, Xuelin Yang, Gang Wang and Weisheng Hu
Affiliation:State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
Keywords:All-optical logic gate, optical switch, optical signal processing, semiconductor optical amplifier
Abstract:All-optical logic gate and switch are the key elements for ultrafast (>100 Gbit/s) signal processing in highspeed
optical networks. Recent progress and related patents on all-optical logic gates based on semiconductor optical amplifiers
(SOAs) are reviewed and optical switches with various configurations are discussed. The frequency-domain analysis
of the turbo-switch (TS) incorporating two cascading SOAs is presented in detail to explore its ultimate operation
bandwidth. The results show that the 3dB bandwidth of the TS is ~300 GHz, which can be a good candidate for ultrafast
all-optical switches.
