On Multi-Pass Two-Channel Squeezed to Enhance Phase Measurement Accuracy
This paper introduces the phase measurement based on multi-pass Mach-Zehnder interferometer,which adopts two-channel compression and two-output combination measurement,and explains the single-end measurement,differential measurement and double-output combination measurement.It is shown that,the phase measurement accuracy can be greatly improved and the standard quantum limit can be broken by using the combination of two-channel compression and two-output measurement.
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