Optical fibres made of topological photonic crystals allow improved versatility and control across the modes and polarization of light they transmit. Compositionally, photonic crystals contain bandgaps to prevent the passage ...
Nonlinear photonic crystals (NPCs) are transparent materials that have a spatially uniform linear susceptibility, yet a periodically modulated quadratic nonlinear susceptibility. These engineered materials are used extensively ...
Optics & Photonics
Dec 2, 2020
0
6
Under JST Strategic Basic Research Programs, PRESTO researcher Ayumi Ishii, (Toin University of Yokohama, specially appointed lecturer) has developed a photodiode using a crystalline film composed of lead perovskite compounds ...
Optics & Photonics
Nov 16, 2020
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10
The Internet of Things (IoT) allowing smart phones, home appliances, drones and self-driving vehicles to exchange digital information in real time requires a powerful security solution, as it can have a direct impact on user ...
General Physics
Nov 6, 2020
0
91
Scientists at Tokyo Institute of Technology and Institute of Photonic Sciences have developed a method to generate circularly polarized light from the ultimate symmetrical structure: the sphere. Their approach involves breaking ...
Nanophysics
Sep 4, 2020
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38
Vast areas of the Martian night sky pulse in ultraviolet light, according to images from NASA's MAVEN spacecraft. The results are being used to illuminate complex circulation patterns in the Martian atmosphere.
Space Exploration
Aug 6, 2020
1
445
A scientist might want to do cartwheels upon making a discovery, but this time the discovery itself relies on cartwheels.
Optics & Photonics
Jun 29, 2020
1
770
Polarization, the direction in which light vibrates, is invisible to the human eye. Yet, so much of our optical world relies on the control and manipulation of this hidden quality of light.
Optics & Photonics
Jun 4, 2020
0
250
Nanophotonics uses light polarization as an information carrier in optical communications, sensing, and imaging. Likewise, the state of polarization of light plays a key role in the photonic transfer of quantum information. ...
Optics & Photonics
Jun 2, 2020
0
4
Hokkaido University scientists have fabricated a crystal that autonomously flips back and forth while changing its flipping patterns in response to lighting conditions. Their findings, published in a Chemistry Europe's journal, ...
Materials Science
May 13, 2020
0
40
