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Reprogrammable Optical Metasurfaces for Achieving Nanoscale Light Control

Researchers have designed electromechanically reconfigurable ultrathin optical elements that can be controlled and programmed on a pixel-by-pixel level.

13 Sep 2021

Photo-Switchable Nanoripples in Two-Dimensional Molecularly Defined Sheets

Ultrafast laser spectroscopy allows to observe the motion of atoms at their natural time scales in the range of femtoseconds, the millionth of a billionth of a second.

3 Sep 2021

Femtosecond Laser Light Pulses Create Switchable Nano-Waves in MXenes

A spectroscopic technique called ultrafast laser spectroscopy enables the motion of atoms to be observed at their natural time scales in the range of femtoseconds, that is, one-millionth of a billionth of a second. By contrast, electron microscopy offers atomic spatial resolution.

2 Sep 2021

Challenges and Advancements of Supercapacitors Based on Laser Scribed Graphene

In a new publication from Opto-Electronic Advances; DOI 10.29026/oea.2021.200079, Researchers led by Professor Min Gu from the Centre for Artificial-Intelligence Nanophotonics (CAIN), University of Shanghai for Science and Technology, Shanghai, China summarize recent developments, current challenges and future advancements of supercapacitors based on laser scribed graphene.

24 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

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

Scanning Tunneling Microscopy Helps Monitor Dislocations in Silicene Sheet

People might visualize crystals as perfect structures, but they are usually plagued with “defects.” The interesting fact about these defects is that they often appear as a result of atoms experiencing reorganization to reduce the system’s energy and achieve stability.

29 Jul 2021

New, Simple Technique to Calibrate Optical Tweezers

A newly developed multi-frequency method results in a brief measurement time of just a few seconds rather than the traditional 10 minutes.

19 Jul 2021

Scientists Design a High-Performance Photoelectric Conversion System Using 2D Nanosheets

Two-dimensional “nanosheets” made of bonds between metal atoms and organic molecules are attractive candidates for photoelectric conversion, but get corroded easily.

16 Jul 2021

Imaging Optical Near-Field of Nanoparticles Using Photoinduced Force Microscope

A team of scientists led by the Department of Applied Physics at Osaka University, the Department of Physics and Electronics at Osaka Prefecture University, and the Department of Materials Chemistry at Nagoya University used photoinduced force microscopy to map out the forces acting on quantum dots in three dimensions.

30 Jun 2021

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