and quantum metrology. SPDC is the spontaneous splitting of a photon into two photons after it passes through a nonlinear object like certain crystals. The process is nonlinear and instantaneous ...

During SPDC, a single photon from a high-energy (blue) pump laser is split into two lower-energy (infrared) entangled photons ...

Photon detection is essential for applications in quantum computing, telecommunications, and optical sensing, but fractal ...

Data security on the internet is under threat: in the future, quantum computers could decode even encrypted files sent over ...

The photon detection technique has several applications. Fractal superconducting nanowire single-photon detectors (SNSPDs) ...

This technology leverages the Spontaneous Parametric Down-Conversion (SPDC) process in quantum optics, precisely shaping the spatial quantum correlations of entangled photon pairs within a ...