Mach-Zehnder · Two Splitters, One Phase
unseel.com · BS₁ · M₁ · M₂ · BS₂ · cos²(Δφ/2)
Δφ 0
D₁ / D₂ — / —
Stage two splitters and two mirrors
Laser beam
Beam splitter (BS)
Mirror (M)
Detector firing
Unseel.com · Mach-Zehnder