Approaching the motional ground state of a 10 kg object
- Resource Type
- Conference
- Authors
- Whittle, Chris; Hall, Evan D.; Dwyer, Sheila; Mavalvala, Nergis; Sudhir, Vivishek
- Source
- 2022 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2022 Conference on. :1-2 May, 2022
- Subject
- Photonics and Electrooptics
Cooling
Stationary state
Phonons
Laser feedback
Quantum state
Lasers and electrooptics
Land surface temperature
- Language
Thermal decoherence impedes preparing massive objects in quantum states. Using feedback cooling, we place the center-of-mass motion of a 10kg oscillator in a state with phonon occupation 10.8, bringing it from room temperature to 77 nK.