This review covers recent theoretical and experimental efforts to extend the application of
the continuous-variable quantum technology of light beyond" Gaussian" quantum states …

We theoretically and experimentally investigate the spectral tunability and purity of photon
pairs generated from spontaneous parametric down conversion in periodically poled …

Einstein-Podolsky-Rosen (EPR) steering is a type of characteristic nonlocal correlation and
provides an important resource in quantum information tasks, especially in view of its …

When building a parametric down-conversion photon-pair source with spectrally separable
photons, eg, for making high-purity heralded single photons, two practical issues must be …

We report on the generation of indistinguishable photon pairs at telecom wavelengths based
on a type-II parametric down conversion process in a periodically poled potassium titanyl …

High-dimensional, frequency-entangled photonic quantum bits (qudits for d-dimension) are
promising resources for quantum information processing in an optical fiber network and can …

Quantum light sources in the mid‐infrared (MIR) band play an important role in many
applications, such as quantum sensing, quantum imaging, and quantum communication …

We theoretically investigate the preparation of mid-infrared (MIR) spectrally-uncorrelated
biphotons from a spontaneous parametric down-conversion process using doped LN …

Entangled photon pairs are crucial resources for quantum information processing protocols.
Via the process of spontaneous parametric downconversion (SPDC), we can generate these …

A spectrally uncorrelated biphoton state generated from the spontaneous nonlinear optical
process is an important resource for quantum information. Currently, such a spectrally …