R. Van Laer, C. J. Sarabalis, R. Baets, D. Van Thourhout, and A. H. Safavi-Naeini, “Thermal Brillouin noise observed in silicon optomechanical waveguide,” Journal of Optics, vol. 19, no. 4, p. 044002, Apr. 2017, https://doi.org/10.1088/2040-8986/aa600d