LIGO demonstrates quantum back-action evasion in 40-kg mirrors using frequency-dependent squeezing, achieving ~47% motion suppression near resonance and enabling macroscopic quantum state engineering.
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@informaq.bsky.socialLIGO demonstrates quantum back-action evasion in 40-kg mirrors using frequency-dependent squeezing, achieving ~47% motion suppression near resonance and enabling macroscopic quantum state engineering.