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Optics & Photonics May 24, 2023

Progressive quantum leaps—high-speed, thin-film lithium niobate quantum processors driven by quantum emitters

Scalable photonic quantum computing architectures require photonic processing devices. Such platforms rely on low-loss, high-speed, reconfigurable circuits and near-deterministic resource state generators. In a new report ...

Optics & Photonics May 18, 2023

Wiring up quantum circuits with light

Quantum computers promise to solve challenging tasks in material science and cryptography that will remain out of reach even for the most powerful conventional supercomputers in the future. Yet, this will likely require millions ...

Nanophysics May 17, 2023

Researchers use structured light on a chip in another photonics breakthrough

In everyday life we experience light in one of its simplest forms—optical rays or beams. However, light can exist in much more exotic forms. Thus, even beams can be shaped to take the form of spirals; so-called vortex beams, ...

Optics & Photonics May 12, 2023

Proposed perovskite-based device combines aspects of electronics and photonics

New findings from a team of researchers at MIT and elsewhere could help pave the way for new kinds of devices that efficiently bridge the gap between matter and light. These might include computer chips that eliminate inefficiencies ...

Nanophysics May 8, 2023

Leaky-wave metasurfaces: A perfect interface between free-space and integrated optical systems

Researchers at Columbia Engineering have developed a new class of integrated photonic devices—"leaky-wave metasurfaces"—that can convert light initially confined in an optical waveguide to an arbitrary optical pattern ...

Bio & Medicine May 8, 2023

Researchers develop flexible sweat sensor based on photonic cellulose nanocrystal

Cellulose nanocrystal (CNC), an emerging bio-based material, has been widely applied in fields such as electronics, bioplastics and energy. However, the functional failure of such materials in wet or liquid environments inevitably ...

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 May 3, 2023

New high-speed, two-photon microscope for precise biological imaging

Two-photon microscopy (TPM) has revolutionized the field of biology by enabling researchers to observe complex biological processes in living tissues at high resolution. In contrast to traditional fluorescence microscopy ...

Optics & Photonics May 2, 2023

Quantum entanglement of photons doubles microscope resolution

Using a "spooky" phenomenon of quantum physics, Caltech researchers have discovered a way to double the resolution of light microscopes.

Optics & Photonics Apr 26, 2023

Researchers discover new radiation effects in photonic time crystals

A team led by Professor Huanan Li and Professor Jingjun Xu of the School of Physics of Nankai University, in collaboration with the team led by Professor Andrea Alù of the Advanced Science Research Center (ASRC) of the City ...

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