Research Progress on Carrier-Free Phase-Retrieval Receivers

IF 2.1 4区物理与天体物理 Q2 OPTICS

Photonics Pub Date : 2024-01-04 DOI:10.3390/photonics11010054

Yunhe Ma, Meng Xiang, Xiaoxue Gan, Can Wei, Wenzhuo Cheng, G. Zhou, Jilong Li, Jianping Li, S. Fu, Yuwen Qin

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Abstract

In order to deal with the chromatic dispersion-induced power fading issue for short-reach direct-detection optical fiber communication applications, such as the ever-increasing data-center interconnections (DCIs), optical filed recovery is intensively being under investigation. To date, various direct detection schemes capable of optical field recovery have been proposed, including the Kramers–Kronig (KK) receiver, asymmetric self-coherence detection (ASCD) receiver, carrier-assisted differential detection receiver (CADD), Stokes vector receiver (SVR), and carrier-free phase-retrieval (CF-PR) receiver. Among those, the CF-PR receiver attracts lots of research attention because it can circumvent the requirement of a strong continuous-wave (CW) optical carrier for the beating with the signal. Generally, the CF-PR receiver consists of only two single-ended photodiodes (PDs) and one dispersive element, for the field recovery of the quadrature amplitude modulation (QAM) signals. Based on the theoretical and experimental studies reported so far, this paper reviews the latest progress of CF-PR receivers designed for high-speed optical short-reach transmission links.

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无载波相位检索接收器的研究进展

为了解决短距离直接检测光纤通信应用（如日益增多的数据中心互联（DCI））中色度色散引起的功率衰减问题，光场恢复技术正得到深入研究。迄今为止，已经提出了多种能够实现光场恢复的直接检测方案，包括克拉默-克罗尼格（KK）接收器、非对称自相干检测（ASCD）接收器、载波辅助差分检测接收器（CADD）、斯托克斯矢量接收器（SVR）和无载波相位检索（CF-PR）接收器。其中，无载波相位检索接收器因其可以规避信号跳动对强连续波（CW）光载波的要求而备受研究关注。一般来说，CF-PR 接收器仅由两个单端光电二极管（PD）和一个色散元件组成，用于正交振幅调制（QAM）信号的场恢复。基于迄今为止所报道的理论和实验研究，本文回顾了为高速短距离光传输链路设计的 CF-PR 接收器的最新进展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Photonics Physics and Astronomy-Instrumentation

CiteScore

2.60

自引率

20.80%

发文量

817

审稿时长

8 weeks

期刊介绍： Photonics (ISSN 2304-6732) aims at a fast turn around time for peer-reviewing manuscripts and producing accepted articles. The online-only and open access nature of the journal will allow for a speedy and wide circulation of your research as well as review articles. We aim at establishing Photonics as a leading venue for publishing high impact fundamental research but also applications of optics and photonics. The journal particularly welcomes both theoretical (simulation) and experimental research. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation and experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.