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Quantum Eraser Experiment
Wave-particle duality | which-path information | interference
Double Slit Setup
Slit 1 Polarizer (V)
Slit 2 Polarizer (H)
Eraser Polarizer (45°)
Delayed Choice
Parameters
Slit Separation
Wavelength λ
Coherence
No polarizers: both slits have same polarization → interference pattern visible.