Observation of spontaneous Brillouin cooling

  title={Observation of spontaneous Brillouin cooling},
  author={Gaurav Bahl and Matthew Tomes and Florian Marquardt and Tal Carmon},
Although bolometricand ponderomotive-induced deflection of device boundaries are widely used for laser cooling, the electrostrictive Brillouin scattering of light from sound was considered an acousto-optical amplification-only process1–7. It was suggested that cooling could be possible in multiresonance Brillouin systems5–8 when phonons experience lower damping than light8. However, this regime was not accessible in electrostrictive Brillouin systems1–3,5,6 as backscattering enforces high… CONTINUE READING
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