Ancient lingams had Copper (Cu) and Gold (Au), and crystal FWIU.
From "Can you pump water without any electricity?" https://www.hackerneue.com/item?id=40619745 :
> - /? praveen mohan lingam: https://www.youtube.com/results?search_query=praveen+mohan+l...
- "High-sensitivity terahertz detection by 2D plasmons in transistors" (2024)
https://www.hackerneue.com/item?id=38800406
> "Coherent interaction of a-few-electron quantum dot with a terahertz optical resonator" (2023) https://arxiv.org/abs/2204.10522 ; "Researchers solve a foundational problem in transmitting quantum information" (2024) [w/ AlGaAs/GaAs]
Though the [qubit wave function transmission range] on that is only tens to a hundred micrometers. With 5pJ microwave like OT, what is the range?