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- TL;DR
- A colloidal dispersion ofCsPbBr3 deposited onto a glass surface provides a device able to emit super-precise photons able to pass the Hong-Ou-Mandel beam un-splitter test ... and perhaps form the basis for a quantum computer.
A perovskite, normally used for solar energy collection, may find an application in quantum computing.
The article is article is published in Nature (with a paywall),
It is also covered in SciTech Daily.
This is not the first material that has been able to generate photons so precisely consistent that two photons can be consistently combined by passing through a beam splitter "backwards", but the manufacturing procedure for creating these photon emitters is, itself, readily reproducible.
Once such emitters are created, they can be used to perform qubit operations in the optical domain.
The article is article is published in Nature (with a paywall),
It is also covered in SciTech Daily.
This is not the first material that has been able to generate photons so precisely consistent that two photons can be consistently combined by passing through a beam splitter "backwards", but the manufacturing procedure for creating these photon emitters is, itself, readily reproducible.
Once such emitters are created, they can be used to perform qubit operations in the optical domain.