In the year 2022 the Nobel prize in physics went partially to John Clauser for the experimental proof or validation of quantum entanglement. This experiment was the first to probe the idea’s of John Bell and as far as I know this experiment differs from all later experiments that often use that so called “Parametric Down Conversion” stuff to get their entangled photon pairs. With the down conversion method where one photon gets smashed in two, the linear polarization of the photons is opposite to each other. So my idea was: Likely sometimes an entire electron pair gets exited and falls back. But it is very very hard to verify such a claim via experiments on the crystals that actually do this down conversion of photon energy.
But the original experiment from John Clauser uses calcium atoms and a cascade of one electron going down two energy levels. And, that is important of course, here the two photons always have the same linear polarization.
I am now into the 11-th year of looking at electrons as magnetic monopoles, in particular with a permanent monopole charge just like the electric charge of an electron. For years and years it looked logical that circular photons would be produced by these two kinds of electrons and the opposite magnetic charge caused the two different circular (or elliptical) photons. Only this year it dawned on me that the two different kind of linear photons have the same origin: The two different magnetic monopole charges and electron can have.
It has it’s own logic, the idea of electrons as magnetic monopoles finally makes sense of say the electron pair where the Pauli exclusion principle (opposite spins) is only a bag of nonsense if you view electrons as tiny magnets or the bipolar magnetic model that is commonly believed in.

Here in the original John Clauser experiment it now has it’s own logical explanation too: John could not control what kind of electron got exited, as such he got different polarization all of the time but these polarizations for the pair of photons were always the same.
A guy named Kocher did the first experiment with this calcium stuff I believe it was in the 1960-ties. He summarized the results in a beautiful manner:

(1) If both polarizers are aligned with their axes parallel, coincidence counts will be observed.

(2) If the polarizer axes are perpendicular, no coincidences will be observed.

If you want to read what Kocher wrote, at the end I have a link for you.
So now we understand the root source of the experimental results from Clauser, it is also clear that this is not entaglement in the sense of a superposition of photon polarization as often portrayed as a so called Bell state. All of the time the photons had already their polarization.

It is NOT that measuring one photon makes the other have the same polarization, all of the time they already had theirs. And there is also a relative easy way to verify that the photons might be (strongly) correlated but do not influence each other:
If you have access to so called entangled photons, send one of them through a quarter wave plate so it becomes an elliptic photon. Now check if the other photon is also elliptic, if I had to bet on the outcome I would say that the two photons do not influence each other.

This post is five images long while I added two additional figures. And after that there is another video from Qiskit IBM quantum computing where it is ‘explained’ that hidden variables explaining the photon correlation do not exist. In figure 3 you see a screen shot of the video. And of course the link to Kocher’s summary paper.

In the next Figure 1 you see what I think are the two linear polarization states of a photon: their magnetic fields are phase shifted by 180 degrees. This introduces all kinds of subtleties that are not discussed now but for example if the electric field of a photon is vertical, you still have two kinds of photons. (Where of course the official version of linear polarization is the direction of the electric field of a photon where it’s magnetic part is always left out and not talked about.)
In Figure 2 you can see John Clauser at work and a simplified energy level of calcium atoms for the cascading electron.

In quantum mechanics there is also some kind of proof that the so called hidden variables do not exist. I never looked in the (historical) details of it. But the few times I observed such a ‘proof’ it is always that when measured the quantum stuff, there is always that fundamental probabilistic stuff. I think that’s wrong when it comes to say electron spin (the permanent magnetic charge) and as such the photons they produce can also never be in a superposition as say in the Bell state.
It is about 13 minutes into the video where the lady does the magical “Hidden variable do not exist” kind of proof. By the way this is the same lady I showed you some weeks ago where she claimed that a repeated or sequential Stern-Gerlach experiment was done many times.
But there is no successful sequential SG experiment done ever, if there was it would very very likely be in the annals of the Nobel prize and it’s just not there. A successful sequential SG experiment would not only validate the official belief in the probabilistic nature of measuring electron spin, it would also destroy all my findings into electrons being magnetic monopoles.

So my dear physics community: Bring it on what you have!

And now for the video from Qiskit, IBM quantum computers:

And lets not forget the summary to a very early experiment measuring photon linear polarization using the calcium electron cascading mechanism:
Quantum entanglement of optical photons: the first experiment, 1964–67
Link used: https://www.frontiersin.org/journals/quantum-science-and-technology/articles/10.3389/frqst.2024.1451239/full

Ok that was it for this post.