Demonstration of an all-optical three-input exclusive-OR logic gate for high-speed optical DPSK signals

Author(s):  
Ning Deng
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Roumaissa Derdour ◽  
Mohamed Redha Lebbal ◽  
Souheil Mouetsi ◽  
Abdesselam Hocini

Abstract A new connected structure of an all-optical “OR” logic gate realized with photonic crystals is proposed in this study. The structure is based on coupling the input guides with two microcavities; the unit cell of the structure is designed to achieve a band gap around the communication wavelength (i.e., 1.55 µm). The performance of the structure results in transmission efficiency and low losses. This compact size logic gate is considered an important element in the integration of a nanoscale photonic device.


Author(s):  
Anthony M. Roy ◽  
Erik K. Antonsson ◽  
Andrew A. Shapiro

Control tasks involving dramatic non-linearities, such as decision making, can be challenging for classical design methods. However, autonomous stochastic design methods have proved effective. In particular, Genetic Algorithms (GA) that create phenotypes by the application of genotypes comprising rules are robust and highly scalable. Such encodings are useful for complex applications such as artificial neural net design. This paper outlines an evolutionary algorithm that creates C++ programs which in turn create Artificial Neural Networks (ANNs) that can functionally perform as an exclusive-OR logic gate. Furthermore, the GAs are able to create scalable ANNs robust enough to feature redundancies that allow the network to function despite internal failures.


2009 ◽  
Vol 56 (5) ◽  
pp. 1048-1055 ◽  
Author(s):  
Sang-Jin Kim ◽  
Chang-Keun Lee ◽  
Rae-Sik Chung ◽  
Eun-Sil Park ◽  
Seung-Jun Shin ◽  
...  

Author(s):  
Shuai Zhao ◽  
Hongyu Hu

The scheme to realize high speed (~250Gb/s) all-optical Boolean logic gates using semiconductor optica amplifiers with quantum-dot (QD-SOA) is introduced and analyzed in this review. Numerical simulation method was presented by solving the rate equation and taking into account nonlinear dynamics including carrier heating and spectral hole-burning. Binary phase shift keyed (BPSK) signal and on-off keyed signal are used to generate high speed all-optical logic gates. The applications based on all-optical logic gates such as, all-optical latches, pseudo random bit sequence (PRBS) generation and all-optical encryption, are also discussed in this review. Results show that the scheme based on QD-SOA is a promising method for the realization of high speed all-optical communication system in the future.


2017 ◽  
Vol 4 (1) ◽  
pp. 1388156 ◽  
Author(s):  
Hongyu Hu ◽  
Xiang Zhang ◽  
Shuai Zhao ◽  
Lifu Zhang

2007 ◽  
Author(s):  
S. J. Kim ◽  
C. K. Lee ◽  
R. S. Chung ◽  
M. S. Kim ◽  
E. S. Park ◽  
...  

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