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Using Ultrashort Laser Pulses to Probe the Dynamics of Photoelectron Emission

Physicists at Ludwig-Maximilian University in Munich and the Max Planck Institute for Quantum Optics have used ultrashort laser pulses to probe the dynamics of photoelectron emission in tungsten crystals.

12 Aug 2021

Simple System can Generate Quantum-Secure Cryptographic Keys at Sustained Rates

In a new study, researchers demonstrate an automated, easy-to-operate quantum key distribution system using the fiber network in the city of Padua, Italy.

12 Aug 2021

New Optical Element Could Lead to Paper Thin Cameras, Telescopes

Can you imagine one day using a telescope as thin as a sheet of paper, or a much smaller and lighter high-performance camera? Or no longer having that camera bump behind your smartphone?

12 Aug 2021

Researchers Achieve New Threshold of Light-Matter Coupling at Nanoscale Level

A new threshold of light-matter coupling at the nanoscale has been achieved by physicists from the University of Southampton and ETH Zürich.

12 Aug 2021

Novel Molecular Imaging Technique Casts Complex Coordination Molecules in a New Light

High-angle annular dark-field scanning transmission electron microscopy can be used to determine complex conformational structures of both crystalline and amorphous polynuclear non-planar coordination molecules, as shown...

12 Aug 2021

Researchers Study Non-Linear Effects in a System of Two Coupled Optical Microcavities

Scientists from the Faculty of Physics of the University of Warsaw demonstrated exciton-polariton lasing and parametric scattering of exciton-polaritons in a system of coupled optical microcavities.

11 Aug 2021

New High-Flux, Compact Cold-Atom Source can be a Key Component of Quantum Technologies

Although quantum technology has proven valuable for highly precise timekeeping, making these technologies practical for use in a variety of environments is still a key challenge.

11 Aug 2021

New Approaches and Achievements on Multi-Material Multi-Photon Micro/Nano-Printing

Multi-photon approaches provide printing rates of up to about ten million voxels per second. And, multi-photon-based 3D approaches structure matter with a resolution approaching sub-micrometer and nanometer feature sizes.

11 Aug 2021

Metamaterials Research may Enable Technological Advances in Electromagnetics and Photonics

Cornell researchers are proposing a new way to modulate both the absorptive and the refractive qualities of metamaterials in real time, and their findings open intriguing new opportunities to control, in time and space, the propagation and scattering of waves for applications in various areas of wave physics and engineering.

11 Aug 2021

Scientists Develop New Graphene-Based Phonon Lasers

Professor Konstantin Arutyunov of the HSE Tikhonov Moscow Institute of Electronics and Mathematics, together with Chinese researchers, has developed a graphene-based mechanical resonator, in which coherent emission of sound energy quanta, or phonons, has been induced.

11 Aug 2021