Scientists have introduced a form of quantum entanglement known as frequency-domain photon number-path entanglement. This advance in quantum physics involves an innovative tool called a frequency beam ...

The examination of entanglement across various degrees of freedom has been pivotal in augmenting our understanding of fundamental physics, extending to high dimensional quantum states, and promising ...

Researchers have created a chip-based device that can split phonons—tiny packets of mechanical vibration that can carry information in quantum systems. By filling a key gap, this device could help ...

Fig.1 Schematic of the experimental setup for continuous-variable entanglement-assisted quantum comumication.Alice encodes classical signals on the ancilla beam by an amplitude modulator (AM) and a ...

The realization of on-chip polarization beam splitters robust to fabrication imperfections remains a key challenge for polarization-sensitive photonic integration. We demonstrate a topologically ...

Researchers developed a chip-based single-phonon directional coupler that carries out controllable splitting and achieves quantum-level performance. The device could enable microscopic on-chip routers ...

Device could help link different quantum systems, supporting advances in computing and secure communication. (Nanowerk News) Researchers have created a chip-based device that can split phonons — tiny ...