Valley-conserved topological integrated antenna for 100-Gbps THz 6G wireless.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 37910611.
- Also identified by DOI 10.1126/sciadv.adi8500 and PMC identifier 12488057.
- Licence recorded as CC BY-NC.
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Abstract
The topological phase revolutionized wave transport, enabling integrated photonic interconnects with sharp light bending on a chip. However, the persistent challenge of momentum mismatch during intermedium topological mode transitions due to material impedance inconsistency remains. We present a 100-Gbps topological wireless communication link using integrated photonic devices that conserve valley momentum. The valley-conserved silicon topological waveguide antenna achieves a 12.2-dBi gain, constant group delay across a 30-GHz bandwidth and enables active beam steering within a 36° angular range. The complementary metal oxide semiconductor-compatible valley-conserved devices represent a major milestone in hybrid electronic-photonic-based topological wireless communications, enabling terabit-per-second backhaul communication, high throughput, and intermedium transport of information carriers, vital for the future of communication from the sixth to X generation.