- #1
StevieTNZ
- 1,934
- 883
Hi there,
If we set-up an experiment for entanglement swapping, the two entangled pairs of photons are:
Group 1: A, B
Group 2: X, Y
Take B and Y and perform a Bell-state measurement on them.
Obviously A and X are now entangled. But for this to occur, must B and Y have no definite polarisation?
If we set-up an experiment for entanglement swapping, the two entangled pairs of photons are:
Group 1: A, B
Group 2: X, Y
Take B and Y and perform a Bell-state measurement on them.
Obviously A and X are now entangled. But for this to occur, must B and Y have no definite polarisation?