In Advanced Virgo frequency independent squeezing was injected during O3 run, reducing the quantum noise due to shot noise at high frequencies and consequently increasing noise at low frequencies.

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Quantum Noise Reduction System Overview in Advanced Virgo Plus

  • Eleonora Polini

摘要

In Advanced Virgo frequency independent squeezing was injected during O3 run, reducing the quantum noise due to shot noise at high frequencies and consequently increasing noise at low frequencies.