All-optical digital-to-analog converter based on cross-phase modulation with temporal integration

被引：8
|
作者：
Kong, Deming [1 ,2 ]
Geng, Zihan [1 ,2 ]
Foo, Benjamin [1 ]
Rozental, Valery [1 ]
Corcoran, Bill [1 ,2 ]
Lowery, Arthur James [1 ,2 ]
机构：
[1] Monash Univ, Dept Elect & Comp Syst Engn, Electrophoton Lab, Clayton, Vic 3800, Australia
[2] Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Sydney, NSW, Australia
来源：
OPTICS LETTERS | 2017年 / 42卷 / 21期
基金：
澳大利亚研究理事会;
关键词：
SIGNALS; PULSES;
D O I：
10.1364/OL.42.004549
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and experimentally demonstrate an all-optical digital-to-analog converter based on cross-phase modulation with temporal integration. The scheme is robust for driving signal noise due to the low-pass filtering feature of the temporal integrator. The proof-of-concept experiment demonstrates the generation of pulse-amplitude modulation (PAM) sequences up to eight levels. The performance of random PAM 2 and PAM 4 signals with different optical signal-to-noise ratios of the binary driving signal is also investigated. The scheme is scalable for high-speed operation with an appropriate dispersion profile of the nonlinear medium. (C) 2017 Optical Society of America
引用
收藏
页码：4549 / 4552
页数：4
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