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Quantum Physics Jun 28, 2019

Optimal quantum computation linked to gravity

Information and gravity may seem like completely different things, but one thing they have in common is that they can both be described in the framework of geometry. Building on this connection, a new paper suggests that ...

Nanomaterials Jun 6, 2019

Manipulating nanoscale light in nanocavity of scanning tunneling microscope junctions

Manipulating nanoscale light in scanning tunneling microscope junctions is attained by nanofabrication of gold tips using a focused ion beam technique. Researchers at Fritz-Haber Institute, Berlin, Germany, demonstrated that ...

Quantum Physics May 28, 2019

Researchers demonstrate constraints on symmetries from holography

A pair of researchers, one at the Massachusetts Institute of Technology (MIT) and another at California Institute of Technology (Caltech) and the University of Tokyo, have recently investigated a set of old conjectures about ...

General Physics May 15, 2019

Holographic imaging of electromagnetic fields using electron-light quantum interference

In conventional holography a photographic film can record the interference pattern of monochromatic light scattered from the object to be imaged with a reference beam of un-scattered light. Scientists can then illuminate ...

Optics & Photonics May 6, 2019

New holographic technique opens the way for quantum computation

Photography measures how much light of different color hits the photographic film. However, light is also a wave, and is therefore characterized by the phase. Phase specifies the position of a point within the wave cycle ...

Optics & Photonics Mar 26, 2019

Physicists create Star Trek-style holograms

Star Trek's famous holodeck is a virtual reality stage that simulates any object in 3-D as if they were real. However, 3-D holographic projection has never been realized. A team of scientists from Bilkent University, Turkey, ...

Plasma Physics Mar 11, 2019

In-plane coherent control of plasmon resonances for plasmonic switching and encoding

Light incident on metallic nanoparticles can initiate the collective motion of electrons, causing a strong amplification of the local electromagnetic field. Such plasmonic resonances have significant roles in biosensing with ...

Optics & Photonics Mar 7, 2019

Deep learning merges advantages of holography and bright-field microscopy for 3-D imaging

Digital holographic microscopy is an imaging modality that can digitally reconstruct the images of 3-D samples from a single hologram by digitally refocusing it through the entire 3-D sample volume. In comparison, scanning ...

General Physics Jan 30, 2019

New scanning transmission electron microscopes for medical and materials research

Researchers in Ben McMorran's University of Oregon physics lab had a great 2018, publishing four papers about their efforts to bring new life to scanning transmission electron microscopes for medical and materials research.

Optics & Photonics Jan 28, 2019

Manipulating cell networks with light – new frontiers in optical microscopy

A new optical microscope system called stimulation and imaging-based functional optical microscopy (SIFOM) can stimulate multiple cells simultaneously via a holographic method and monitor cell activity after the stimulation ...

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