Search results for photonics and optics

Optics & Photonics Aug 14, 2024

New insights into neural circuit imaging: A comparison of one-photon and two-photon techniques

In the quest to unravel the complexities of neural circuits, scientists are beginning to use genetically encoded voltage indicators (GEVIs) to visualize electrical activity in the brain. These indicators are crucial for understanding ...

Optics & Photonics Aug 13, 2024

Coherence entropy unlocks new insights into light-field behavior

Light technology is at the heart of many cutting-edge innovations, from high-speed internet to advanced medical imaging. However, transmitting light through challenging environments, such as turbulent atmospheres or deformed ...

Optics & Photonics Aug 12, 2024

Research team uses tunable laser to develop straightforward broadband spectroscopy method with Hz-level precision

Since the first demonstration of the laser in the 1960s, laser spectroscopy has become an essential tool for studying the detailed structures and dynamics of atoms and molecules. Advances in laser technology have further ...

Optics & Photonics Aug 12, 2024

Chip that entangles four photons opens up possibility of inviolable quantum encryption

Unlike classical encryption, which relies on mathematical algorithms, quantum encryption assures security based on physical principles. Detection of espionage or interference is guaranteed by unavoidable alteration of the ...

General Physics Aug 9, 2024

Researchers discover new material for optically-controlled magnetic memory

Researchers at the University of Chicago Pritzker School of Molecular Engineering (PME) have made unexpected progress toward developing a new optical memory that can quickly and energy-efficiently store and access computational ...

Molecular & Computational biology Aug 9, 2024

3D laser printing with bioinks from microalgae

Microalgae such as the diatom Odontella aurita and the green alga Tetraselmis striata are especially suitable as "biofactories" for the production of sustainable materials for 3D laser printing due to their high content in ...

Quantum Physics Aug 9, 2024

Achieving quantum memory in the notoriously difficult X-ray range

Light is an excellent carrier of information used not only for classical communication technologies but also increasingly for quantum applications such as quantum networking and computing. However, processing light signals ...

Optics & Photonics Aug 8, 2024

Towards high quality transferred barium titanate ferroelectric hybrid integrated modulator on silicon

Future optical communication and signal processing systems will require high-volume optical links, wherein photonic integrated devices play a key role. Si photonics is currently among the most advanced techniques for realizing ...

Optics & Photonics Aug 6, 2024

Researchers develop energy-efficient optical neural networks

EPFL researchers have published a programmable framework that overcomes a key computational bottleneck of optics-based artificial intelligence systems. In a series of image classification experiments, they used scattered ...

Optics & Photonics Aug 5, 2024

Researchers achieve super-Bloch oscillations in strong-driving regime

Full coherent control of wave transport and localization is a long-sought goal in wave physics research, which encompasses many different areas from solid-state to matter-wave physics and photonics. One among the most important ...

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