We review various schemes of quantum-enhanced optical interferometers, both linear (SU
(2)) and non-linear (SU (1, 1)) ones, as well as hybrid SU (2)/SU (1, 1) options, using the …

Nonlinear interferometers are a ubiquitous tool in quantum photonics. As such, they allow
spooky‐like imaging with undetected light. On the one side their working principle is based …

Nonlinear interferometers are promising tools for quantum metrology, as they are
characterized by an improved phase sensitivity scaling compared to linear interferometers …

Interferometers provide a highly sensitive means to investigate and exploit the coherence
properties of light in metrology applications. However, interferometers come in various forms …

Reversed nonlinear dynamics is predicted to be capable of enhancing the quantum sensing
in unprecedented ways. Here, we report the experimental demonstration of a loss-tolerant …

The success of quantum technologies is intimately connected to the possibility of using them
in real-world applications. This requires the system to be comprehensively modeled …

Experimental quantum enhanced optical interferometry | AVS Quantum Science | AIP Publishing
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We present a quantum heat engine based on a quantum Otto cycle, whose working
substance reproduces the same outcomes of a SU (1, 1) interference process at the end of …

Hong-Ou-Mandel interferometry takes advantage of the quantum nature of two-photon
interference to increase the resolution of precision measurements of time delays. Relying on …

Multipartite quantum correlation is important for both fundamental science and quantum
information processing. Its enhancement is critical to improve the performance of physical …