On 7/23/2013 7:00 AM, Jason Resch wrote:
When there are two polarizers A and C, which are rotated by 90 degrees to each other then no photons will pass through both polarizers. However, if we insert polarizer B at a 45 degree offset to A and C then 1/4 of the photons will make it through.


Now let's say we have two entangled photons travelling away from each other. If we send photon #1 through polarizer A right before photon #2 goes through polarizer B,

How about a clarifying diagram. In the first para B was between A and C, now it seems it's in the opposite direction of A relative to the source. And you're talking about "right before" referring to events which are space-like separated, which is ill-defined per relativity.

I think the answer though lies in the fact that a polarizer will cause both photons to be absorbed or to assume that polarization.

Brent

right before photon #1 goes through polarizer C, then if I understand entanglement correctly that implies some of the time photon #1 will make it through polarizer C. Is that correct?

To me it seems that must be incorrect, because it would enable super luminal communication. By sending a continuous stream of entangled photons in opposite directions and changing the orientation of B between 0 and 45 degrees, you could cause photons at C to stop with 100% or 75% probability. This cannot be so then what is wrong with the above assumptions of how the three polarizer experiment works with entangled photons?

Thanks,

Jason
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