Search results for birefringent

Optics & Photonics Oct 28, 2021

High-speed laser writing method could pack 500 terabytes of data into CD-sized glass disc

Researchers have developed a fast and energy-efficient laser-writing method for producing high-density nanostructures in silica glass. These tiny structures can be used for long-term five-dimensional (5D) optical data storage ...

Optics & Photonics Jul 29, 2021

Collisions of light produce matter/antimatter from pure energy

Scientists studying particle collisions at the Relativistic Heavy Ion Collider (RHIC)—a U.S. Department of Energy Office of Science user facility for nuclear physics research at DOE's Brookhaven National Laboratory—have ...

Optics & Photonics Jun 21, 2021

New high-speed method for spectroscopic measurements

Researchers at Tampere University and their collaborators have shown how spectroscopic measurements can be made much faster. By correlating polarization to the color of a pulsed laser, the team can track changes in the spectrum ...

Quantum Physics Jun 14, 2021

Anomalous weak values via a single photon detection

In the field of quantum measurement, weak values, introduced in 1988 by Aharonov, Albert and Vaidman (AAV), represent a most intriguing and puzzling paradigm, with many properties in sharp contrast to traditional (projective) ...

Optics & Photonics Jun 14, 2021

Toward a daily-use deep UV light source for sterilization and disinfection

Researchers from the Graduate School of Engineering and the Center for Quantum Information and Quantum Biology at Osaka University unveiled a new solid state second-harmonic generation (SHG) device that converts infrared ...

Optics & Photonics May 10, 2021

Researchers achieve 51.5dB nonreciprocal isolation

Chinese researchers achieved 51.5dB nonreciprocal isolation in the atomic ensemble, which is the highest isolation ratio in the non-magnetic nonreciprocal field. They discussed the quantum noise problem in nonreciprocal devices ...

Optics & Photonics Mar 16, 2021

Exploring complex graphs using three-dimensional quantum walks of correlated photons

Graph representations can solve complex problems in natural science, as patterns of connectivity can give rise to a magnitude of emergent phenomena. Graph-based approaches are specifically important during quantum communication, ...

Optics & Photonics Mar 11, 2021

Arbitrary polarization conversion dichroism metasurfaces for full Poincaré sphere polarizers

Polarization control is essential for tailoring light-matter interactions and is the foundation for many applications such as polarization imaging, nonlinear optics, data storage, and information multiplexing. A linear polarizer, ...

Optics & Photonics Mar 3, 2021

Molybdenum disulfide ushers in era of post-silicon photonics

Researchers of the Center for Photonics and Two-Dimensional Materials at MIPT, together with their colleagues from Spain, Great Britain, Sweden, and Singapore, including co-creator of the world's first 2-D material and Nobel ...

Materials Science Jan 19, 2021

Modulating helical nanostructures in liquid crystal phase by molecular design

A team of researchers led by Assistant Professor Yuki Arakawa (Toyohashi University of Technology, Japan) has successfully developed sulfur-containing liquid crystal (LC) dimer molecules) with oppositely directed ester bonds, ...

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