All-Optical Discrete Fourier Transform Based on Multilevel Phase Modulation and a Dispersive Element

被引：3
|
作者：
Zhou, Junhe [1 ]
机构：
[1] Tongji Univ, Dept Elect Sci & Engn, Shanghai 200092, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2012年 / 24卷 / 08期
关键词：
Discrete Fourier transform; dispersive element; temporal self-imaging effect; REPETITION RATES; FIBER GRATINGS;
D O I：
10.1109/LPT.2012.2186632
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：
In this letter, we propose to realize the all-optical discrete Fourier transform (DFT) using a dispersive element, i.e., a piece of fiber, a fiber Bragg grating, or a tunable dispersion compensator. The theory of the proposed discrete transform is analogous to the self-image theory. By properly adjusting the phase of signals and the dispersion of the dispersive element, a highly precise DFT can be achieved.
引用
收藏
页码：685 / 687
页数：3
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