Anomalous vibration suppression in a weak-value-emulated heterodyne roll interferometer

Area of Science:

• Quantum Metrology
• Optical Physics
• Vibration Analysis

Background:

• Standard interferometry faces limitations in sensitivity and noise suppression.
• Weak measurements offer enhanced sensitivity but often rely on system-meter entanglement.
• Vibration suppression typically requires mechanical damping, which can be cumbersome.

Purpose of the Study:

• To experimentally validate a weak-value-like protocol for vibration suppression.
• To demonstrate anomalous amplification in sensitivity and technical noise suppression.
• To explore vibration attenuation inherent to optical metrology.

Main Methods:

• Utilizing a phase-sensitive heterodyne technique.
• Performing high-precision roll experiments to anchor numerical simulations.
• Comparing the interferometer's performance against standard interferometry.

Main Results:

• Achieved over 700x amplification in sensitivity to roll angle.
• Interferometer demonstrated 500x lower peak-to-peak noise amplitude than standard methods.
• Substantially attenuated technical noise, primarily vibrations, during rolling stage measurements.

Conclusions:

• The weak-value-like protocol effectively suppresses vibrations inherent to the metrology instrument.
• This approach offers a novel method for anomalous amplification outside standard weak measurement protocols.
• The findings present a significant advancement in precision measurement and vibration control.