Diamond-based quantum sensors in defence and security applications
Many quantum technologies are dual-use technologies that can introduce new capabilities to defence and security-related applications or increase their effectiveness.
Characterization of Defocused Coherent Imaging Systems with Periodic Objects
Recent advancements in quantum and quantum-inspired imaging techniques have enabled high-resolution 3D imaging through photon correlations.
Analytical form of the refocused images from correlation plenoptic imaging
Correlation plenoptic imaging (CPI) is emerging as a promising approach to light-field imaging (LFI), a technique for concurrently measuring light intensity distribution and propagation direction of light rays from a 3D scene.
Zeptosecond-Scale Single-Photon Gyroscope
This paper presents an all-fiber telecom-range optical gyroscope employing a spontaneous parametric down conversion crystal to produce ultra-low intensity thermal light by tracing-out one of the heralded photons.
A 64 × 64 SPAD Array For Quantum Ghost Imaging with Integrated TDCs and Event-Driven Readout in a 40 nm CMOS Technology
The exploitation of quantum phenomena has become a pioneering frontier allowing imaging in scenarios where direct illumination is challenging or impractical.
3D Correlation Imaging for Localized Phase Disturbance Mitigation
Correlation plenoptic imaging is a procedure to perform light-field imaging without spatial resolution loss, by measuring the second-order spatiotemporal correlations of light.
New silicon-based micro-electro-mechanical systems for photo-acoustic trace-gas detection
The achievable sensitivity level of photo-acoustic trace-gas sensors essentially depends on the performances of the acoustic transducer.
Fiber-optic gyroscope for rotational seismic ground motion monitoring of the Campi Flegrei volcanic area
The real-time monitoring of densely populated areas with high seismic and volcanic risk is of crucial importance for the safety of people and infrastructures. When an earthquake occurs, the Earth surface experiences both translational and rotational motions.
Direct 3D Imaging through Spatial Coherence of Light
Wide-field imaging is widely adopted due to its fast acquisition, cost-effectiveness, and ease of use. Its extension to direct volumetric applications, however, is burdened by the trade-off between resolution and depth of field (DOF), dictated by the numerical aperture of the system.
Exploiting separation-dependent coherence to boost optical resolution
The problem of resolving pointlike light sources not only serves as a benchmark for optical resolution but also holds various practical applications ranging from microscopy to astronomy. In this paper, we aim to resolve two thermal sources sharing arbitrary mutual coherence using the spatial mode demultiplexing technique.
