▲ 5 r/quantum
Is this a valid delayed choice experiment?
A single photon is emitted from the laser source. After the photon passes through the first beam splitter (50/50) and travels a vast distance, but before it reaches a subsequent beam splitter, detector 5 is put in place (d5) in path 4.
Note:
- Each beam splitter is a 50/50 probability split; reflection has half-wave phase shift, transmission has no shift.
- Each detector is equal distance away from source, except d5, which is marginally closer when placed in system.
Results before d5 in system: d1=50%, d2=50%, d3=0% d4=0%, d5=n/a
Results after d5 in system: d1'=25%, d2'=25%, d3'=12.5%, d4'=12.5%, d5'=25%
u/LandscapeEquivalent2 — 21 days ago