Assisted by the rapid development of photonic integrated circuits, scalable and versatile chip-
based quantum light sources with nonlinear optics are increasingly tangible for real-world …

We identify a relation between the number of photon pairs generated by parametric
fluorescence, through either spontaneous parametric down-conversion (SPDC) or …

We demonstrate the direct generation of polarization-entangled photon pairs at room
temperature and telecom wavelength in an AlGaAs semiconductor waveguide. The source …

We present equations for the power generated via spontaneous (quantum) and stimulated
(classical) nonlinear optical processes in integrated devices. Equations for the same …

We implement an entanglement distribution network based on wavelength-multiplexing and
optical switching for quantum communication applications. Using a high-brightness source …

Here, we demonstrate the generation and manipulation of hyperentanglement in
polarization and time-energy degrees of freedom. The hyperentangled photon pairs are …

Water is one of the most prevalent chemicals on our planet, an integral part of both our
environment and our existence as a species. Yet it is also rich in anomalous behaviors. Here …

Quantum sources that provide broadband biphotons entangled in both polarization and time-
energy degrees of freedom are a rich quantum resource that finds many applications in …

Quantum walks (QWs) are one of the fundamental concepts in quantum information science,
being an essential component for various new applications. Implementing QWs using …

Quantum entanglement is an integral part of quantum optics and has been exploited in
areas such as computation, cryptography and metrology. The entanglement between …