All-Optical Full-Adder Based on Cascaded PPLN Waveguides

被引：18
|
作者：
Shen, Jing [1 ]
Yu, Song [1 ]
Liao, Ping [1 ]
Chen, Zhixiao [1 ]
Gu, Wanyi [1 ]
Guo, Hong [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Peking Univ, Sch Elect Engn & Comp Sci, Inst Quantum Elect, Beijing 100871, Peoples R China
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2011年 / 47卷 / 09期
基金：
美国国家科学基金会;
关键词：
All-optical signal processing; difference-frequency generation; full-adder; optical digital signal processing; periodically poled lithium niobate; quasi-phase matching; sum-frequency generation; WAVELENGTH CONVERSION; SFG-DFG; LOGIC; GATE; GENERATION; SIGNALS;
D O I：
10.1109/JQE.2011.2161269
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An all-optical full-adder is proposed based on cascaded second-order nonlinearities of sum-frequency generation and difference-frequency generation in quasi-phase-matched periodically poled lithium niobate (PPLN) waveguides. By utilizing the logic functions of PPLN waveguides, a configuration based on cascaded PPLN waveguides is designed to achieve the all-optical full-adder. The waveforms, eye diagrams, extinction ratio, pulse width, and peak power delay of the signals in the all-optical full-adder are calculated and discussed numerically. The results demonstrate that the logic function of full-adder can be achieved well by this configuration, which has important significance for all-optical digital signal processing.
引用
收藏
页码：1195 / 1200
页数：6
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