(a) Optical pump transmission and the generated optical signal as a function of pump laser wavelength. The correspondence of the generated optical signal peak and the optical pump resonance dip indicates the satisfaction of the conservation conditions. (b) Microwave reflection and the generated optical signal as a function of the microwave frequency. (c) Optical spectrum of the device output when the triple-resonance condition is satisfied. The TM and TE components of the output light are separated by a polarization beam splitter. The TM component corresponds to the direct transmission of the pump light, while the TE component contains the scattered sideband. (d) Power dependence of the sideband on the input microwave power . Inset: extracted sideband power as a function of the input microwave power.