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Photonics
Special Issues
The Development and Future Prospect of Microwave Photonics
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The Development and Future Prospect of Microwave Photonics

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: closed (10 February 2024) | Viewed by 2412

Special Issue Editors

Dr. Zhiqiang Fan

E-Mail Website
Guest Editor
School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Interests: microwave photonics; integrated microwave photonics; optical fiber communications
Dr. Bin Wang

E-Mail Website
Guest Editor
Beijing Institute of Technology, Beijing, China
Interests: microwave photonics; silicon photonics

Special Issue Information

Dear Colleagues,

Microwave photonics (MWP) combines the worlds of microwave and photonics to generate, transmit, control, process, and measure microwave signals using photonic devices, systems, and technologies with advantages such as broadband, ground transmission loss, and electromagnetic interference resistance. This field is experiencing continuous, revolutionary growth with the successful development of integrated photonics and optoelectronics technology, inspiring emerging research areas, including integrated microwave photonics, quantum microwave photonics, intelligent computational microwave photonics, AI microwave photonics, and beyond. The continuous growth of MWPs has driven innovative developments in 5/6G communications, deep space exploration, radar imaging, big data computing, and more.

This Special Issue invites manuscripts that introduce the development and prospects of microwave photonics. All theoretical, numerical, and experimental papers are welcome. Topics include, but are not limited to, the following:

  • The photonic generation of microwave/millimeter-wave/terahertz signals;
  • RoF for B5G/6G data and communication systems;
  • The photonic processing of microwave/millimeter-wave/terahertz signals;
  • The photonic sensing and measurement of microwave/millimeter-wave/terahertz signals;
  • Integrated microwave photonics;
  • Quantum microwave photonics;
  • Intelligent computational microwave photonics;
  • AI microwave photonics;
  • Microwave photonic radars;
  • Novel device technologies for microwave photonics.

Dr. Zhiqiang Fan
Dr. Bin Wang
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 submissions that pass pre-check are 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. Photonics 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 2400 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.

Published Papers (2 papers)

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Research

9 pages, 3374 KiB  
Communication
A Microwave Photonic Frequency-Doubling Phase Shifter Based on Dual-Parallel Mach–Zehnder Modulators
by Jun Su and Wenkai Chen
Photonics 2024, 11(2), 116; https://doi.org/10.3390/photonics11020116 - 26 Jan 2024
Viewed by 917
Abstract
A microwave photonic frequency-doubling phase shifter with a broad bandwidth and large tuning range is proposed in this paper. Frequency doubling and phase shifting are realized by processing the input microwave signal in the optical domain at a dual-drive dual-parallel Mach–Zehnder modulator (DD-DPMZM) [...] Read more.
A microwave photonic frequency-doubling phase shifter with a broad bandwidth and large tuning range is proposed in this paper. Frequency doubling and phase shifting are realized by processing the input microwave signal in the optical domain at a dual-drive dual-parallel Mach–Zehnder modulator (DD-DPMZM) and a dual-parallel Mach–Zehnder modulator (DPMZM). The input signal is split into two branches through a 90-degree hybrid splitter. One signal is sent to the DD-DPMZM to achieve a phase-shifted carrier-suppressed up-sideband by tuning the bias voltage, and the other is sent to the DPMZM to realize a carrier-suppressed down-sideband. By beating the phase-shifted up-sideband and the down-sideband at a photodetector (PD), the input signal is frequency doubled and phase shifted. The proposed frequency-doubling phase shifter is simulated. The results show that the frequency-doubled signal has a phase-tuning range from 0 to 360 degrees. In addition, the influence of the amplitude and phase unbalance of the 90-degree hybrid splitter on the magnitude variation and phase deviation of the frequency-doubling phase shifter is studied. Full article
(This article belongs to the Special Issue The Development and Future Prospect of Microwave Photonics)
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17 pages, 13079 KiB  
Article
Reconfigurable Microwave Multi-Beamforming Based on Optical Switching and Distributing Network
by Yue Lin, Di Jiang, Yuan Chen, Xiang Li and Qi Qiu
Photonics 2024, 11(1), 65; https://doi.org/10.3390/photonics11010065 - 7 Jan 2024
Viewed by 1034
Abstract
Optical beamforming in microwave photonics is promising for supporting broadband wireless communications. However, the current optical beamforming lacks freedom because of the fixed connection between radio frequency (RF) signal and antenna elements (AEs). This manuscript tackles this challenge by proposing a dynamical optical [...] Read more.
Optical beamforming in microwave photonics is promising for supporting broadband wireless communications. However, the current optical beamforming lacks freedom because of the fixed connection between radio frequency (RF) signal and antenna elements (AEs). This manuscript tackles this challenge by proposing a dynamical optical beamforming architecture that reconfigures the antenna subarray for signal transmission depending on the number of signals to be transmitted. The proposed architecture employs an optical switching and distributing network (SDN) to realize a flexible connection between signals and AEs. An instance of the proposed architecture in photonic integrated circuits, which enables three working modes and transmits four RF signals through sixteen AEs, was presented and numerically simulated. The optical field distribution and beam pattern plots illustrated the operational principle and validated the feasibility of the proposed SDN architecture. Furthermore, the impact of the introduced architecture on the signal amplitude–phase consistency and the comparison of the proposed dynamic architecture and conventional fixe architectures are analyzed and discussed. The results indicate that the proposed architecture exhibits variable beamforming gain with lower hardware complexity. Full article
(This article belongs to the Special Issue The Development and Future Prospect of Microwave Photonics)
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