Photonic fully-connected hybrid beamforming using microring weight banks Article Swipe
Mitchell Nichols
,
Hugh Morison
,
Armaghan Eshaghi
,
Bhavin Shastri
,
Lutz LAmpe
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1038/s44172-025-00532-0
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1038/s44172-025-00532-0
Wireless communication at higher frequency bands has attracted research interest for fifth generation and beyond (5GB) wireless networks due to the large amount of unused bandwidth at these frequencies. However, there are substantial challenges associated with higher frequency bands due to the high path loss of the propagation environment and the high power consumption of the transceivers. Hybrid beamforming with massive multiple-input multiple-output (MIMO) has emerged as a solution to these problems by combining the performance and flexibility of digital beamforming with the energy efficiency of analog beamforming. Optical beamforming has recently been considered as an alternative to implement the analog component of a hybrid beamformer, which may offer improvements in size, weight and power consumption in comparison to conventional electronics. This paper proposes a new approach to implement an optical beamforming system based on photonic vector modulators using tunable photonic filters. Our experimental demonstration of the proposed optical beamformer shows that microring resonator (MRR)-based photonic vector modulators can be calibrated to achieve a root-mean-square (RMS) phase error of better than 2° and an amplitude error of 0.3 dB. Our findings identify a pathway to realize large-scale, fully-connected hybrid beamformers by leveraging compact and low loss photonic resonators.
Related Topics
Concepts
Beamforming
Photonics
Electronic engineering
Resonator
Bandwidth (computing)
Computer science
Flexibility (engineering)
Power consumption
True time delay
Wireless
Path loss
Power (physics)
Path (computing)
Optical power
Silicon photonics
Energy consumption
Engineering
Optical communication
Telecommunications
Phase (matter)
Optical wireless
Optical filter
Spectral efficiency
Communications system
Optical path
Wavelength-division multiplexing
Wireless power transfer
Radio frequency
Passive optical network
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1038/s44172-025-00532-0
- https://www.nature.com/articles/s44172-025-00532-0.pdf
- OA Status
- diamond
- References
- 32
- OpenAlex ID
- https://openalex.org/W7106564812
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W7106564812Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1038/s44172-025-00532-0Digital Object Identifier
- Title
-
Photonic fully-connected hybrid beamforming using microring weight banksWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-11-24Full publication date if available
- Authors
-
Mitchell Nichols, Hugh Morison, Armaghan Eshaghi, Bhavin Shastri, Lutz LAmpeList of authors in order
- Landing page
-
https://doi.org/10.1038/s44172-025-00532-0Publisher landing page
- PDF URL
-
https://www.nature.com/articles/s44172-025-00532-0.pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
diamondOpen access status per OpenAlex
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https://www.nature.com/articles/s44172-025-00532-0.pdfDirect OA link when available
- Concepts
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Beamforming, Photonics, Electronic engineering, Resonator, Bandwidth (computing), Computer science, Flexibility (engineering), Power consumption, True time delay, Wireless, Path loss, Power (physics), Path (computing), Optical power, Silicon photonics, Energy consumption, Engineering, Optical communication, Telecommunications, Phase (matter), Optical wireless, Optical filter, Spectral efficiency, Communications system, Optical path, Wavelength-division multiplexing, Wireless power transfer, Radio frequency, Passive optical networkTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- References (count)
-
32Number of works referenced by this work
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