Squeezed Light — Quantum Noise & Homodyne Detection
Heisenberg: ΔX₁·ΔX₂ ≥ 1/4, squeezed below shot noise in one quadrature
State Parameters
Squeezing r (dB):
6
Squeezing angle θ (°):
0
Coherent amplitude |α|:
2.0
LO phase φ (°):
0
Samples per shot:
500
Resample
Squeezed coherent state |α,ξ⟩:
ΔX₁ = e^(-r)/2, ΔX₂ = e^(r)/2
Product = 1/4 (minimum uncertainty)
Shot noise limit: ΔX = 1/2
Squeezing: V_s/V_shot < 1
dB: −10·log₁₀(ΔX₁²/shot²)
ΔX₁ (squeezed):
—
ΔX₂ (anti-sq):
—
Product ΔX₁·ΔX₂:
—
Squeezing (dB):
—