Special Issue "Next-Generation Optical Communication: Components and Devices"

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E:Engineering and Technology".

Deadline for manuscript submissions: 30 November 2021.

Special Issue Editors

Dr. Jiangbo Zhu
E-Mail Website
Guest Editor
Department of Mathematics, Physics and Electrical Engineering, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
Interests: structured light; optical communications; integrated photonics; fiber optics
Dr. He Wen
E-Mail Website
Guest Editor
The Center for Research and Education in Optics and Lasers (CREOL), The College of Optics & Photonics, University of Central Florida, 4304 Scorpius Street, Orlando, FL 32816-2700, USA
Interests: optical communications; microwave photonics; optoelectronics; nonlinear optics

Special Issue Information

Dear Colleagues,

Ever-emerging services and applications, such as cloud computation, big data, and the Internet of things, have imposed an exponentially growing capacity demand on communication systems and networks on all layers. In particular, conventional single-mode fiber (SMF)-based optical communication technologies, such as wavelength-division multiplexing (WDM), time-division (TDM), and polarization-division (PDM), have confronted fundamental scalability limits. The last decade has seen various technologies emerge as possible solutions for next-generation optical communications for sustainable capacity growth, by exploiting the only known uncultivated degree of freedom of light—the space domain. Space- and mode-division multiplexing (SDM and MDM)-based optical-fiber, free-space, and underwater communications have been extensively investigated at both system and component levels. Multi-core, multi-mode, few-mode fibers (MCF, MMF, and FMF) and the variations as their combinations are explored as the main platforms for SDM and MDM fiber transmissions, while major challenges including optical amplification and inter-channel coupling remain to be fully addressed. In pursuit of other key components of high efficiency and scalability, especially spatial/modal (de)multiplexers, significant developments have been witnessed recently by introducing sophisticated structured light manipulation techniques, for example, photonic lantern, multi-plane light conversion (MPLC), log-polar and spiral transform based mode sorters, and inverse-design based optical mode converters. This Special Issue seeks to showcase research papers, communications, and review articles that focus on new developments in the design, modelling, fabrication, and application of SDM/MDM devices and components. 

Dr. Jiangbo Zhu
Dr. He Wen
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • optical communications
  • space-division multiplexing
  • mode-division multiplexing
  • multi-core fiber
  • multi-mode fiber
  • few-mode fiber
  • mode sorter
  • multi-plane light conversion
  • orbital angular momentum
  • linearly polarized modes
  • few-mode amplifiers
  • multicore fiber amplifier

Published Papers

This special issue is now open for submission.
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