idw – Informationsdienst Wissenschaft
Nachrichten, Termine, Experten
Nachrichten, Termine, Experten
At room temperature, the mechanical oscillator has a very high thermal occupation of about 94,000 quanta (red point). But the combination of cryogenic cooling (green points), in which the oscillator is thermalized with a cold Helium gas, and resolved-sideband laser cooling (blue points) brings the oscillator occupation number down to about 60 quanta. The inset shows the laser frequency tuned to the lower sideband of the optical resonance of the optomechanical device.
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