Information Capacity of Direct Detection Optical Transmission Systems

被引：19

作者：

Mecozzi, Antonio ^{[1
]}

Shtaif, Mark ^{[2
]}

机构：

[1] Univ Aquila, Dept Phys & Chem Sci, I-67100 Laquila, Italy

[2] Tel Aviv Univ, Dept Phys Elect, IL-69978 Tel Aviv, Israel

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2018年 / 36卷 / 03期

基金：

以色列科学基金会;

关键词：

Channel capacity; modulation; optical detection; DISPERSION COMPENSATION; MODULATION;

D O I：

10.1109/JLT.2017.2777188

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：

We show that the spectral efficiency of a direct detection transmission system is at most 1 b/s/Hz less than the spectral efficiency of a system employing coherent detection with the same modulation format. Correspondingly, the capacity per complex degree of freedom in systems using direct detection is lower by at most 1 bit.

引用

页码：689 / 694

页数：6

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