No laser? No problem?
“Here, we demonstrate, for the first time, that sunlight … can produce entangled-photon pairs via [spontaneous parametric down-conversion] despite its lack of optical coherence.”
https://www.scientificamerican.com/article/physicists-harness-sunlight-for-quantum-entanglement/
Open-access paper: https://opg.optica.org/optica/fulltext.cfm?uri=optica-13-8-1508
Greg Egan
npub12c…gd38p
2026-08-07 06:50:57 UTC
Author Public Key
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wss://relay.momostr.pinkPublished at
2026-08-07 06:50:57 UTCEvent JSON
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