The optical fibre is an essential tool for our communication infrastructure since it is the main
transmission channel for optical communications. The latest major advance in optical fibre …

Quantum mechanics is now a mature topic dating back more than a century. During its
scientific development, it fostered many technological advances that now are integrated into …

The field of quantum communication is thriving as a complement to conventional
telecommunication with its distinctive feature of absolute security. As the core technology for …

High-dimensional entanglement promises to greatly enhance the performance of quantum
communication and enable quantum advantages unreachable by qubit entanglement. One …

High-dimensional entanglement enriches our understanding of entanglement and shows
many advantages in quantum communications tasks, so its long-distance distribution is a …

The most common form of measurement in quantum mechanics projects a wavefunction
onto orthogonal states that correspond to definite outcomes. However, generalized quantum …

Multi-port beam splitters are cornerstone devices for high-dimensional quantum information
tasks, which can outperform the two-dimensional ones. Nonetheless, the fabrication of such …

Photons offer the potential to carry large amounts of information in their spectral, spatial, and
polarisation degrees of freedom. While state-of-the-art classical communication systems …

High-dimensional entanglement not only offers a high security level for quantum
communication but also promises improved information capacity and noise resistance of the …

Rapid progress in nonlinear plasmonic metasurfaces enabled many novel optical
characteristics for metasurfaces, with potential applications in frequency metrology …