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Search results for Single-photon avalanche diodes

Quantum Âé¶¹ÒùÔºics Feb 10, 2025

Qubits to qudits: Using quantum mechanics to transmit information more securely

In the realm of quantum information distribution, sending a signal from point A to point B is like a baseball pitcher relaying a secret pitch call to the catcher. The pitcher has to disguise the signal from the opposing team ...

Optics & Photonics Apr 25, 2024

Airborne single-photon lidar system achieves high-resolution 3D imaging

Researchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. This advance could make single-photon lidar practical for air and ...

Optics & Photonics Feb 6, 2024

Building images photon-by-photon to increase the information content provided by microscopes

The world of laser scanning microscopy is quickly evolving, thanks to the advent of fast and compact detector arrays. These arrays replace the typical single-element detector of traditional confocal laser scanning microscopes, ...

Optics & Photonics Dec 27, 2023

Images hidden in noise revealed by a quantum-inspired phase-imaging method

Researchers at the University of Warsaw's Faculty of Âé¶¹ÒùÔºics with colleagues from Stanford University and Oklahoma State University have introduced a quantum-inspired phase-imaging method based on light intensity correlation ...

Optics & Photonics Nov 30, 2023

Researchers extend non-line-of-sight imaging towards longer wavelengths

Emerging technologies for non-line-of-sight imaging can detect objects even if they are around a corner or behind a wall. In new work, researchers use a new type of detector to extend this method from visible light into near ...

Optics & Photonics Aug 8, 2023

Researchers use SPAD detector to achieve 3D quantum ghost imaging

Researchers have reported the first 3D measurements acquired with quantum ghost imaging. The new technique enables 3D imaging on a single photon level, yielding the lowest photon dose possible for any measurement.

Optics & Photonics May 25, 2023

Chip-based quantum key distribution achieves higher transmission speeds

Researchers have developed a quantum key distribution (QKD) system based on integrated photonics that can transmit secure keys at unprecedented speeds. The proof-of-principle experiments represent an important step toward ...

Optics & Photonics May 4, 2023

Quantum lidar prototype acquires real-time 3D images while fully submerged underwater

For the first time, researchers have demonstrated a prototype lidar system that uses quantum detection technology to acquire 3D images while submerged underwater. The high sensitivity of this system could allow it to capture ...

Optics & Photonics Nov 23, 2022

Transporting of two-photon quantum states of light through a phase-separated Anderson localization optical fiber

Invented in 1970 by Corning Incorporated, low-loss optical fiber became the best means to efficiently transport information from one place to another over long distances without loss of information. The most common way of ...

Optics & Photonics Aug 18, 2022

How microchip imaging cytometry makes laboratory testing more economical, easy-to-use, and accessible

A new publication from Opto-Electronic Advances addresses scientific and technical advances in the field of microchip imaging cytometry (MIC) and shows the applications of microchip imaging cytometry that may bring more economical, ...

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