Jie Yao, Yafei Yu, Zhiming Zhang, "Effects of Casimir force on high-order sideband generation in an optomechanical system," Chin. Opt. Lett. 16, 111201 (2018)

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- Chinese Optics Letters
- Vol. 16, Issue 11, 111201 (2018)

Fig. 1. Sketch of the system.

Fig. 2. Intracavity steady-state mean photon number | a s | 2 varies with (a) the sphere–mirror separation and (b) the power of the controlling field. The parameters used are m = 145 ng , ω m = 2 π × 947 kHz , Γ m = 2 π × 141 Hz , R = 150 nm , κ = 2 π × 215 Hz , ω l = 2 π c / λ , λ = 1064 nm , g = 2 π × 70 GHz / μm , and Δ l = ω m . In addition, (a) P l = 10 μ W and (b) d = 2 nm .

Fig. 3. Output spectra for different values of the sphere–mirror separation d : (a) d = ∞ , (b) d = 2 nm , (c) d = 1.8 nm , and (d) d = 1.5 nm . We use ε p = ε l / 2 . The power of the controlling field is P l = 30 μW . The other parameters are the same as in Fig. 2 .

Fig. 4. Output spectra for different values of the optomechanical coupling strength g : (a) g = g 0 , (b) g = 2 g 0 , (c) g = 3 g 0 , (d) g = 4 g 0 , here g 0 = 70 GHz / μm . The sphere–mirror separation is d = 2 nm . The other parameters are the same as in Fig. 2 .

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