Ramna Khalid, Qing Yang Steve Wu, Nasir Mahmood, Jie Deng, Arash Nemati, Kandammathe Valiyaveedu Sreekanth, Humberto Cabrera, Muhammad Qasim Mehmood, Muhammad Zubair, Jinghua Teng, Yehia Massoud, “Fluid-Responsive Tunable Metasurfaces for High-Fidelity Optical Wireless Communication,” Materials Horizons 11, 5997-6006, 2024. DOI: 10.1039/D4MH00592A
Abstract:
Optical wireless communication (OWC), with its blazing data transfer speed and unparalleled security, is a futuristic technology for wireless connectivity. Despite the significant advancements in OWC, the realization of tunable devices for on-demand and versatile connectivity still needs to be explored. This presents a onsiderable limitation in utilizing adaptive technologies to improve signal directivity and optimize data transfer. This study proposes a unique platform that utilizes tunable, fluid-responsive multifunctional metasurfaces offering dynamic and unprecedented control over electromagnetic wave manipulation to enhance the performance of OWC networks. We have achieved real-time, on-demand beam steering with vary-focusing capability by integrating the fabricated metasurfaces with different isotropic fluids. Furthermore, the designed metasurfaces are capable of polarization-based switching of the diffracted light beams to enhance overall productivity. Our research has showcased the potential of fluid-responsive tunable metasurfaces in revolutionizing OWC networks by significantly improving transmission reliability and signal quality through real-time adjustments. The proposed methodology is verified by designing and fabricating an all-dielectric metasurface measuring 500 um x 500 um and experimentally investigating its fluid-responsive vary-focal capability. By incorporating fluid-responsive properties into spin-decoupled metasurfaces, we aim
to develop advanced high-tech optical devices and systems to simplify beam-steering and improve performance, adaptability, and functionality, making the devices suitable for various practical applications.
License type:
Publisher Copyright
Funding Info:
This research / project is supported by the Agency for Science, Technology and Research - Manufacturing, Trade, and Connectivity Programmatic Fund
Grant Reference no. : M22L1b0110
This research / project is supported by the Agency for Science, Technology and Research - Individual Research Grant
Grant Reference no. : A20E5c0084