Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

Wave–particle duality epitomizes the counterintuitive character of quantum physics. A
striking illustration is the quantum delayed-choice experiment, which is based on Wheeler's …

Simultaneous observation of the wave and particle natures of a quantum object under one
experimental arrangement represents the latest development regarding wave-particle …

The wave or particle duality has long been considered a fundamental signature of the
nonclassical behavior of quantum phenomena, especially in a delayed choice experiment …

Wheeler's delayed-choice experiment was conceived to illustrate the paradoxical nature of
wave-particle duality in quantum mechanics. In the experiment, quantum light can exhibit …

We propose delayed-choice experiments carried out with macroscopic qubits, realized as
macroscopically distinct coherent states| α〉 and|− α〉. Quantum superpositions of| α〉 and …

Wave-particle duality constitutes one of the most intriguing features in quantum physics. A
well-known gedanken experiment that provides evidence for this is Wheeler's delayed …

Quantum communication networks involving the preparation, sharing, and measurement of
quantum states are ubiquitous in quantum information. Of particular relevance within this …

The aim of this article is to generate the superposition state of nonorthogonal wavelike and
particlelike states without ancillary qubits. Although it has been demonstrated that wavelike …

Nowadays the most intriguing features of wave-particle complementarity of single-photons
are exemplified by the famous Wheeler's delayed-choice experiment with linear optics …