Sideband Cooling Optomechanics Calculator
Quantum macroscopic cooling: Calculate laser sideband cooling of mechanical resonators, initial thermal bath phonon population ($n_{\text{th}}$), net cooling rate ($\Gamma_-$), and quantum ground-state occupancy ($n_f < 1$).
Mechanical Oscillator & Thermal Bath
Helium-3 / Dilution fridge base
Laser Cooling Drive (Red Detuned: Δ = -Ω_m)
G = g₀ · √n_cav driven on red sideband
Phonon Occupancy & Ground State Output
Final Phonon Occupancy n_f:
--
phonons in resonator
Ground State Purity P_0:
--
1 / (1 + n_f) probability
Initial Thermal Phonons n_th:
--
phonons at bath temperature
Anti-Stokes Cooling Rate Γ_-:
--
kHz laser damping
| Quantum Backaction Limit n_min = (κ / 4Ω_m)²: | -- |
| Effective Final Temperature T_eff: | -- |
| Optomechanical Cooperativity C: | -- |
| Quantum Ground State Achieved? | -- |
Recommended Tools & Equipment
Tested hardware and components for high reliability
100% Free Tool
Zero Sign-Up