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quant-ph2024
Improved phase sensitivity of an SU(1,1) interferometer based on the internal single-path local squeezing operation
Qingqian Kang, Zekun Zhao, Teng Zhao +2
Compared to passive interferometers, SU(1,1) interferometers exhibit superior phase sensitivity due to the incorporation of nonlinear elements that enhance their ability to detect…
quant-ph2024
Phase sensitivity for an SU(1,1) interferometer via multiphoton subtraction at the output port
Tao Jiang, Zekun Zhao, Qingqian Kang +4
In the field of quantum precision measurement, enhancing phase sensitivity is crucial for various applications, including quantum metrology and quantum sensing technologies. We the…