Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Thirty years after it was first proposed, quantum teleportation remains one of the most
important protocols in quantum information and quantum technologies, enabling the …

As a fundamental optical approach to interferometry, Sagnac interference has been widely
used for reflection manipulation, precision measurements, and spectral engineering in …

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 …

Quantum Fisher information matrix (QFIM) is a core concept in theoretical quantum
metrology due to the significant importance of quantum Cramér–Rao bound in quantum …

Quantum transduction, the process of converting quantum signals from one form of energy to
another, is an important area of quantum science and technology. The present perspective …

Color centers in hexagonal boron nitride (hBN) have recently emerged as promising
candidates for a new wave of quantum applications. Thanks to hBN's high stability and two …

Quantum entanglement has emerged as a great resource for spectroscopy and its
importance in two-photon spectrum and microscopy has been demonstrated. Current …

The development of two-dimensional metasurfaces has shown great potential in quantum-
optical technologies because of the excellent flexibility in light-field manipulation. By …

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