Noise Laboratory
Explore how quantum noise degrades coherence. Adjust noise parameters and observe the effect on probability distributions.
Qubit Count
Preset State
Noise Channels
Enable Noise
Depolarizing (p)1.0%
Random {I,X,Y,Z} error with prob p
Amplitude Damping (γ)0.0%
|1⟩→|0⟩ decay, energy dissipation
Phase Damping (λ)0.0%
Dephasing, destroys superposition
Noise seed:
Shot Simulation
Shots:1,024
Probability Amplitudes
|00⟩
50.0%
|01⟩
0.0%
|10⟩
0.0%
|11⟩
50.0%
CoherenceHigh Coherence (100%)
Noise Effects
Depolarizing
Uniformly spreads probability — all states become equally likely at p=1
Amplitude Damping
Drives all qubits toward |0⟩ — population relaxation (T1 decay)
Phase Damping
Destroys phase coherence without energy loss — dephasing (T2 decay)
Measurement Histogram
Click "Run Simulation" to sample measurements
State Degradation
|00⟩
50.0%
ideal: 50%|01⟩
0.0%
ideal: 0%|10⟩
0.0%
ideal: 0%|11⟩
50.0%
ideal: 50%