Cavity Optomechanics Damping Calculator
Quantum cavity optomechanics: Model radiation pressure dynamical backaction, zero-point mechanical fluctuations ($x_{\text{zpf}}$), optomechanical damping ($\Gamma_{\text{opt}}$), optical spring frequency shift ($\delta\Omega_m$), and quantum cooperativity ($C$).
Mechanical Resonator Properties
Membrane / cantilver resonance
1 ng = 10⁻¹² kg (Micro-membrane ~1–50 ng)
Silicon nitride phononic shield: 10⁶–10⁸
Single photon optomechanical rate
Optical Cavity & Laser Drive
Optical photon decay rate
Steady-state photon population
-1.0 = Red sideband (cooling); +1.0 = Blue sideband (amplification)
Dynamical Backaction & Cooperativity
Optomechanical Cooperativity C:
--
Quantum regime if C > 1
Optomechanical Damping Rate Γ_opt:
--
kHz (Cooling / Heating rate)
Zero-Point Fluctuation x_zpf:
--
femtometers (10⁻¹⁵ m)
Effective Coupling G = g₀ √n:
--
MHz multiphoton coupling
| Optical Spring Shift δΩ_m: | -- |
| Intrinsic Mechanical Damping γ_m: | -- |
| Sideband Regime (Ω_m / κ): | -- |
| Optomechanical Interaction Status: | -- |
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