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Optics & Photonics Sep 28, 2022

Spiral dislocation gives 3D topological photonics a robust edge

Crystals have enthralled humans for thousands of years with their visual beauty and elegant symmetrical shapes, and, more recently, with their numerous technological applications. Fundamentally, these materials are based ...

Optics & Photonics Sep 15, 2022

Self-assembled liquid crystal architectures for soft matter photonics

"Soft matter" was first proposed by Pierre-Gilles de Gennes in his Nobel acceptance speech in 1991. The term describes materials between aqueous substances and ideal solids.

Optics & Photonics Sep 9, 2022

Researchers suggest novel way to generate a light source made from entangled photons

Entanglement is a strange phenomenon in quantum physics where two particles are inherently connected to each other no matter the distance between them. When one is measured, the other measurement is instantly a given. Researchers ...

Optics & Photonics Aug 31, 2022

Silicon carbide holds promise for integrated photonics

Researchers led by Ou Xin from the Shanghai Institute of Microsystem and Information Technology (SIMIT) of the Chinese Academy of Sciences have recently comprehensively reviewed milestones and challenges in silicon carbide ...

Optics & Photonics Aug 26, 2022

Dispersion coding of ENZ media via multiple photonic dopants

Media with small permittivity, i.e., the epsilon-near-zero (ENZ) media, have drawn a great deal of attention from the fields of physics, materials science, and engineering. The wavelength in ENZ medium is in principle infinitely ...

Nanomaterials Aug 12, 2022

Overcoming a major manufacturing constraint

Additive manufacturing (AM) using two-photon polymerization lithography (TPP) has increased in usage in industry and research. Currently, a major constraint of TPP in general and specifically of the material IP-Q (Nanoscribe ...

Optics & Photonics Jul 28, 2022

Chip-scale metamicroscope for high-performance imaging

The microscope effectively expands human eyesight to the microworld. It supports wide applications in scientific research, biomedical diagnosis, industry, and beyond. The ultimate goal is superresolution, yet along the way ...

Optics & Photonics Jul 20, 2022

Tunable single-mode lasing on a high-Q resonator

Crystalline lithium niobate (LN) is considered the "silicon of photonics" because of its outstanding optical properties, including a broad transparency window and high piezoelectric, acousto-optic, second-order nonlinear, ...

Optics & Photonics Jul 14, 2022

Using salutary delay in the reaction of crystal atoms to an avalanche of photons

Using X-ray laser pulses, the structure of matter can be studied with previously unprecedented accuracy. However, the pulses are so violent that they destroy the sample being irradiated. Notwithstanding, a Polish-Japanese ...

Condensed Matter Jul 13, 2022

Researchers find the missing photonic link to enable an all-silicon quantum internet

Researchers at Simon Fraser University have made a crucial breakthrough in the development of quantum technology.

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