Photonic quantum technologies represent a promising platform for several applications,
ranging from long-distance communications to the simulation of complex phenomena …

Integrated optical components on lithium niobate play a major role in standard high-speed
communication systems. Over the last two decades, after the birth and positioning of …

We present the realization of a highly efficient photon pair source based on spontaneous
parametric downconversion (SPDC) in a periodically poled lithium niobate (PPLN) ridge …

Narrowband single photons that couple well to atomic ensembles could prove essential for
future quantum networks, but the efficient generation of such photons remains an …

We report a polarization-entangled photon-pair source obtained via spontaneous four-wave
mixing (SFWM) in a Doppler-broadened atomic ensemble of R 87 b atoms using a Sagnac …

In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

We report a bright photon-pair source with a coincidence counting rate per input power
(cps/mW) of tens of thousands, obtained via spontaneous four-wave mixing from a Doppler …

Efficient on-chip entangled photon pair generation at telecom wavelengths is an integral
aspect of emerging quantum optical technologies, particularly for quantum communication …

We experimentally demonstrate two-photon interference of a time-energy entangled photon
pair generated via collective two-photon coherence in Doppler-broadened cascade-type Rb …

Light is an essential tool for connections between quantum devices and for diagnostic
processes in quantum technology. Both applications deal with advanced nonclassical states …