We theoretically study the phase sensitivity of an SU (1, 1) interferometer, in which the phase
shift is induced by a Kerr medium, together with a coherent state input and homodyne …

Interferometers are widely used as sensors in precision measurement. Compared with a
conventional Mach–Zehnder interferometer, the sensitivity of a correlation-enhanced …

The change in the relative phase between two light fields serves as a basic principle for the
measurement of the physical quantity that guides this change. It would therefore be highly …

The topology of feedback optical parametric amplifier (FOPA) renders a number of
significant advantages over the topology of traditional optical parametric amplifier (TOPA) …

Experimental quantum enhanced optical interferometry | AVS Quantum Science | AIP Publishing
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An actively correlated Mach-Zehnder interferometer (ACMZI) renders a number of significant
advantages over a conventional Mach-Zehnder interferometer (MZI) with a squeezed …

Photon subtraction (PS) is an important operation for optic quantum information processing.
Conventional PS is implemented using a single linear beam splitter (BS) and photon …

In quantum metrology, the famous result of Heisenberg limit, scaling as 1/N (with N the
number of probes), can be surpassed by considering nonlinear coupling measurement. In …

The interaction between light and metal nanoparticles enables investigations of microscopic
phenomena on nanometer length and ultrashort timescales, benefiting from strong …

Quantum non-demolition (QND) measurement is an important tool in the fields of quantum
information processing and quantum optics. The atom-light hybrid interferometer is of great …