3 ms·
IIRC LIGO/VIRGO use squeezed light to lower the uncertainty in the ~~frequency~~ phase[1] of the laser they're using to improve the sensitivity of their measure
by andreareina 5y ago
IIRC LIGO/VIRGO use squeezed light to lower the uncertainty in the ~~frequency~~ phase[1] of the laser they're using to improve the sensitivity of their measurements.
[1] https://www.optica-opn.org/home/newsroom/2019/december/squeezed_states_expand_horizons_for_ligo_and_virgo/ https://www.optica-opn.org/home/newsroom/2019/december/squee...
- Xpol 5y agoYes, LIGO has already implemented squeezed states in their measurements. What I'm referring to is making a spin-squeezed atomic clock with enhanced metrological gain compared to QPN limit. There're several groups working on it and so far no one has succeed.