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Next Generation Optical Communication Ecosystems

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 4709

Special Issue Editors

Juniper Networks, Sunnyvale, CA 94089, USA
Interests: coded mdoulation; fiber-optic communications; free-space optical communications; quantum key distribution

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Guest Editor
School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Interests: intelligent photonics; optical communications; optical perception; optical chip
Special Issues, Collections and Topics in MDPI journals
Nokia Corporation, Murray Hill, NJ 07974, USA
Interests: optical communication system, digital signal processing, coherent optical transponder, open optical line system, integrated photonics
Special Issues, Collections and Topics in MDPI journals

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Dept. of Electrical and Computer Engineering, Bell South Mobility/LEQSF Regents Endowed Professor in Telecommunications; Harold Callais/BORSF Endowed Professor in Electrical Engineering II, University of Louisiana at Lafayette, Lafayette, LA 70504-3890, USA
Interests: optical communications and networking; digital signal processing; optical sensing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Optical communication systems have been widely deployed all around the world, over either fiber-optic links or free-space optical links. Classical optical communications have been growing exponentially for decades. Enormous advanced techniques have been developed to enable high-speed, long-haul, and agile optical transports, e.g., multi-dimensional multiplexing, coded modulation, coherent detection, forward error correction (FEC) coding, adaptive coding, et al. The optical communications ecosystem is certainly keeping evolving and promising to change the way things have been done before. In the state-of-the-art optical communication systems, complexity, security and capacity are the most important considerations. As the rapid development of quantum computing, traditional computational complexity based encryption faces unprecedented challenges. Quantum key distribution and  covert communications have been proposed to provide the unconditional security, and now are attracting increasing attentions. In the future, an advanced optical communication system is expected to be diverse in capacity, coding, modulation, transmission links, detection schemes, and security, which can be named as the ecosystem diversity of optical communications.

This Special Issue aims to explore the enabling technologies of the next genration optical communication ecosystems.  It will focus on the state-of-the-art advances and future perspectives of the commerical deploying systems. Topics of interest include, but are not limited to, the following areas:

 (1) Coherent optical communication employing advanced modulation format;

 (2) Direct detection based long-reach optical communication systems;

 (3) Agile reconfigurable data center networks;

 (4) Free-space optical communication systems;

 (5) Quantam-secure covert communications;

 (6) Quantam key ditributions…

Dr. Zhen Qu
Dr. Yang Yue
Dr. Qiang Wang
Prof. Zhongqi Pan

Guest Editor

Manuscript Submission Information

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Keywords

  • Coherent communications;
  • Fiber-optics communication;
  • Fiber-optics link and subsystem;
  • Free-space optical communications;
  • Covert communications;
  • Data center networks;
  • Quantuam key distributions;
  • Coded modulation;
  • Constellation shaping;
  • Quadrature amplitude modulation;
  • Pulse amplitude modulation;
  • Spatial division multiplexing;
  • Direct detection;
  • Forward error correction;
  • Software defined network…

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Published Papers (1 paper)

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Research

18 pages, 6392 KiB  
Article
Accurate and Rigorous Calibration of Intradyne Coherent Receiver Using Polarization-Multiplexed Signal Generated within Intradyne Coherent Transmitter
by Qiang Wang and Yang Yue
Appl. Sci. 2020, 10(10), 3467; https://doi.org/10.3390/app10103467 - 17 May 2020
Cited by 3 | Viewed by 4096
Abstract
Coherent optical transceivers offer significant advantages over direct-detect optical transceivers. However, both intradyne coherent transmitters (ICT) and intradyne coherent receivers (ICR) are more complicated and require careful calibration. Traditionally, an ICR is calibrated through heterodyne beating using a single-polarized signal. Active stabilization to [...] Read more.
Coherent optical transceivers offer significant advantages over direct-detect optical transceivers. However, both intradyne coherent transmitters (ICT) and intradyne coherent receivers (ICR) are more complicated and require careful calibration. Traditionally, an ICR is calibrated through heterodyne beating using a single-polarized signal. Active stabilization to maintain a constant state of polarization for the calibration signal is necessary, leading to a relatively complicated setup. We demonstrate a novel method through heterodyne beating using a polarization-multiplexed signal. No polarization control is needed, resulting in a much simpler configuration. The calibration results obtained through the polarization-multiplexed signal match with the results using a single polarized signal. Moreover, this polarization-multiplexed signal can be generated within the intradyne coherent transmitter without using any external components. This innovative technique enables the calibration of a coherent receiver for deployment in the field throughout its lifetime. Full article
(This article belongs to the Special Issue Next Generation Optical Communication Ecosystems)
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