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Implementation of a Reference Interferometer for Nanodetection
Published on: April 26, 2014
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Towards ubiquitous radio access using nanodiamond based quantum receivers.
Qunsong Zeng1, Jiahua Zhang1, Madhav Gupta1
1Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China.
Communications Engineering
|March 31, 2025
Summary
Quantum technology using nitrogen-vacancy centers in nanodiamonds enables new wireless receivers. This innovation supports multiple users and multi-band signals for future 6G networks.
Area of Science:
- Quantum Technology
- Wireless Communications
- Materials Science
Background:
- Sixth-generation (6G) wireless systems require advanced solutions for base station deployment and multi-band signal detection.
- Nitrogen-vacancy (NV) centers in diamonds present a promising quantum technology for compact, multi-user receivers.
Purpose of the Study:
- To propose and demonstrate a novel multiple access scheme for wireless communication using NV-containing nanodiamonds as nano-antennas.
- To enable multi-user signal demodulation and support advanced features like tunable frequency bands and reference-free signal decoupling.
Main Methods:
- Utilized fluorescent nanodiamonds with NV centers as nano-antennas for microwave signal reception.
- Developed a multiple access scheme based on distinguishable fluorescence intensity patterns unique to each nanodiamond.
- Demonstrated simultaneous transmission and reception of two digital information streams with low bit error ratio.
Main Results:
- Successfully demodulated signals from two separate transmitters using the nanodiamond-based receiver.
- Achieved a low bit error ratio, validating the effectiveness of the proposed scheme.
- Showcased tunable frequency band communication and reference-free signal decoupling, reducing overhead.
Conclusions:
- The nanodiamond-implemented receiver is practical and capable of serving multiple users simultaneously.
- This approach integrates quantum sensing into future wireless communication networks, paving the way for advanced 6G technologies.
