Experimental demonstration of slicing supercontinuum-based 4.39-bit all-optical quantization

被引：0

作者：

Jing, Shipei ^{[1
]}

Ma, Rui ^{[1
]}

Wang, Kuiru ^{[1
]}

Yuan, Jinhui ^{[1
]}

Zhao, Tonggang ^{[2
]}

Yan, Binbin ^{[1
]}

Sang, Xinzhu ^{[1
]}

Yu, Chongxiu ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing, Peoples R China

[2] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing, Peoples R China

来源：

OPTICAL ENGINEERING | 2019年 / 58卷 / 12期

基金：

中国国家自然科学基金;

关键词：

all-optical spectral quantization; supercontinuum generated; effective number of bits; TO-DIGITAL CONVERSION; SPECTRUM; MODULATION;

D O I：

10.1117/1.OE.58.12.126102

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate an all-optical quantization scheme by slicing the supercontinuum (SC) generated in the normal dispersion region of a highly nonlinear fiber. The -20 dB bandwidth of the SC is broadened from 12.9 to 49.7 nm when input average power varies from 0.062 to 0.692 mW, which is used for realizing subsequent quantization. In addition, in order to evaluate the system performance, we have calculated the values of differential nonlinear error, integral nonlinear error, and effective number of bit from the experimental results as 0.471 least significant bit (LSB), 0.519 LSB, and 4.39 bit, respectively. (C) 2019 Society of Photo-Optical Instrumentation Engineers (SPIE).

引用

页数：5

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