[1] Rugar D, Budakian R, Mamin H J, et al. Single spin detection by magnetic resonance force microscopy [J]. Nature, 2004, 430(6997): 329-332.

[2] Wilson C M, Johansson G, Pourkabirian A, et al. Observation of the dynamical Casimir effect in a superconducting circuit [J]. Nature, 2011, 479(7373): 376-379.

[3] Yang S Q, Zhan B F, Wang Q L, et al. Test of the gravitational inverse square law at millimeter ranges [J]. Physical Review Letters, 2012, 108(8): 081101.

[4] Abramovici A, Althouse W, Drever R, et al. LIGO: The laser interferometer gravitational-wave observatory [J]. Science, 1992, 25(5055): 325-333.

[5] Blencowe M P, Wybourne M N. Quantum squeezing of mechanical motion for micron-sized cantilevers [J]. Physica B: Condensed Matter, 2000, 280(1): 555-556.

[6] Jhne K, Genes C, Hammerer K, et al. Cavity-assisted squeezing of a mechanical oscillator [J]. Physical Review A, 2009, 79(6): 063819.

[7] Pontin A, Borrielli A, Bonaldi M, et al. Squeezing a thermal mechanical oscillator by stabilized parametric effect on the optical spring [J]. Physical Review Letters, 2014, 112: 023601.

[8] Clerk A A, Marquardt F, Jacobs K. Back-action evasion and squeezing of a mechanical resonator using a cavity detector [J]. New Journal of Physics, 2008, 10(25): 095010.

[9] Szorkovszky A, Doherty A C, Harris G I, et al. Mechanical squeezing via parametric amplification and weak measurement [J]. Physical Review Letters, 2011, 107: 213603.

[10] Szorkovszky A, Brawley G A, Doherty A C, et al. Strong thermomechanical squeezing via weak measurement [J]. Physical Review Letters, 2013, 110: 184301.

[11] Vinante A, Falferi P. Feedback-enhanced parametric squeezing of mechanical motion [J]. Physical Review Letters, 2013, 111: 207203.

[12] Pontin A, Bonaldi M, Borrielli A, et al. Dynamical two-mode squeezing of the thermal fluctuations in a cavity optomechanical system [J]. Physical Review Letters, 2016, 116: 103601.

[13] Mahboob I, Okamoto H, Yamaguchi H. Enhanced visibility of two-mode thermal squeezed states via degenerate amplification and resonance [J]. New Journal of Physics, 2016, 18: 083009.

[14] Patil Y S, Chakram S, Chang L, et al. Thermomechanical two-mode squeezing in an ultrahigh-Q membrane resonator [J]. Physical Review Letters, 2015, 115: 017202.

[15] Vanner M R, Pikovski I, Cole G D, et al. Pulsed quantum optomechanics [J]. Proceedings of the National Academy of Sciences, 2011, 108(39): 16182-16187.

[16] Poot M, Fong K Y, Tang H X. Classical non-Gaussian state preparation through squeezing in an opto-electromechanical resonator [J]. Physical Review A, 2014, 90: 063809.

[17] Sonar S, Fedoseev V, Weaver M J, et al. Strong thermomechanical squeezing in a far-detuned membrane-in-the-middle system [J]. Physical Review A, 2018, 98: 013804.