"Ask HN: Can qubits be written to crystals as diffraction patterns?"
https://news.ycombinator.com/item?id=38501668

Notes from "Single atom defect in 2D material can hold quantum information at room temp" (2024) https://news.ycombinator.com/item?id=40478219 re Qubit data storage (quantum wave transmission through spacetime)

"Reversible optical data storage below the diffraction limit" (2024) https://news.ycombinator.com/item?id=38528877 :

> multiplexing Diamond with different color beams , "Real-space nanophotonic field manipulation using non-perturbative light–matter coupling" (2023) ; below the Abbe diffraction limit optional tweezers at 1/50 the photonic wavelength

"DNA-folding nanorobots can manufacture limitless copies of themselves" https://news.ycombinator.com/item?id=38569474

Phase from Intensity because Huygens' classical oscillatory model applies to photons;

From "Physicists use a 350-year-old theorem to reveal new properties of light waves" https://news.ycombinator.com/item?id=37226160 :

>> [..] Qian's team interpreted the intensity of a light as the equivalent of a physical object's mass, then mapped those measurements onto a coordinate system that could be interpreted using Huygens' mechanical theorem. "Essentially, we found a way to translate an optical system so we could visualize it as a mechanical system, then describe it using well-established physical equations," explained Qian.

>> Once the team visualized a light wave as part of a mechanical system, new connections between the wave's properties immediately became apparent—including the fact that entanglement and polarization stood in a clear relationship with

"Bridging coherence optics and classical mechanics: A generic light polarization-entanglement complementary relation" (2023)
https://journals.aps.org/prresearch/abstract/10.1103/PhysRev... :

> Abstract: [...] Here we report links of the two through a systematic quantitative analysis of polarization and entanglement, two optical coherence properties under the wave description of light pioneered by Huygens and Fresnel. A generic complementary identity relation is obtained for arbitrary light fields. More surprisingly, through the barycentric coordinate system, optical polarization, entanglement, and their identity relation are shown to be quantitatively associated with the mechanical concepts of center of mass and moment of inertia via the Huygens-Steiner theorem for rigid body rotation. The obtained result bridges coherence wave optics and classical mechanics through the two theories of Huygens.

/?hnlog coherent , single photon

[...]

"Photonic quantum Hall effect and multiplexed light sources of large orbital angular momenta (2021) https://www.nature.com/articles/s41567-021-01165-8 .. https://engineering.berkeley.edu/news/2021/02/light-unbound-... :

"Coherent interaction of a-few-electron quantum dot with a terahertz optical resonator" (2023) https://arxiv.org/abs/2204.10522 ..
https://news.ycombinator.com/item?id=39365579

From
https://news.ycombinator.com/item?id=39287722 :

> "Room-temperature quantum coherence of entangled multiexcitons in a metal-organic framework" (2024) https://www.science.org/doi/10.1126/sciadv.adi3147

> "A physical [photonic] qubit with built-in error correction" (2024) https://news.ycombinator.com/item?id=39243929

> What about phononic quantum computing though, are phononic wave functions stable/coherent?