What Is the Smallest Change Detected by a Multiport Interferometer?

  • #1
Precious Adegbite
6
4
TL;DR Summary
Minimum change in phase of multiport interferometer
Good morning all... please I'd like to know what's the smallest ever recorded change in phase or wavelength any multiport interferometer has ever been able to detect.
And which multiport interferometer detected it.
 

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