Quantum light generated through spontaneous four-wave mixing (SFWM) process in
nonlinear materials, such as entangled photon pairs and single photons, is an important …

Implementation of quantum logic gates with linear optical elements plays a prominent role in
quantum computing due to their relatively easy manipulation and realization. We present …

Qudit, a high-dimensional quantum system, can provide a larger Hilbert space, and it has
been shown that the larger Hilbert space has remarkable advantages over the smaller one …

Entangled photons (biphotons) in the time-frequency degree of freedom play a crucial role in
both foundational physics and advanced quantum technologies. Fully characterizing them …

Quantum machine learning is a promising research area with great potential. In particular,
Variational quantum neural networks (VQNN) have shown high performance in many …

Quantum machine learning, an emerging field at the intersection of quantum computing and
classical machine learning, has shown great promise in enhancing computational …

Synthetic dimensions have emerged as promising methodologies for studying topological
physics, offering great advantages in controllability and flexibility. Photonic orbital angular …

Programmable photonics chips based on a versatile structure are crucial for the next
generation of advanced photonics systems. In this paper, we designed a programmable …

Contextuality is a hallmark feature of the quantum theory that captures its incompatibility with
any noncontextual hidden-variable model. The Greenberger-Horne-Zeilinger (GHZ)–type …

Qudit, a high-dimensional quantum system, provides a larger Hilbert space to process the
quantum information and has shown remarkable advantages over the qubit counterparts. It …