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Search results for nanophotonic

Optics & Photonics Sep 8, 2022

Dual-lattice Kerker effects: controlling light scattering with incident polarization and angle

By using all-dielectric nanostructures, light can be scattered in a well-defined direction, which is the so-called generalized Kerker effects. These effects, however, are usually polarization-independent or realized for a ...

Optics & Photonics Sep 6, 2022

Optical wafer defect inspection at the 10 nm technology node and beyond

Defect inspection scientists from Huazhong University of Science and Technology, Harbin Institute of Technology and The Chinese University of Hong Kong make a thorough review of new perspectives and exciting trends on the ...

Optics & Photonics Sep 2, 2022

Dual-polarization two-dimensional valley photonic crystals

The introduction of topology in photonic systems has attracted considerable attention not only for the elaborate molding of light but also for its practical applications in novel photonic devices. Originally, the quantum ...

Materials Science Aug 25, 2022

New nanophotonic coating could aid thermal management and counter-surveillance efforts

Controlling thermal radiation is crucial in various industries and applications. In particular, infrared emissions from the body are important since body temperature can be regulated without the use of external energy sources ...

Optics & Photonics Aug 1, 2022

New optical switch could lead to ultrafast all-optical signal processing

Engineers at Caltech have developed a switch—one of the most fundamental components of computing—using optical, rather than electronic, components. The development could aid efforts to achieve ultrafast all-optical signal ...

Optics & Photonics Jul 25, 2022

Present and future of nonlinear optical metasurfaces

One of the main objectives of optics is the control of light propagation and confinement. Progress in optics historically started with the development of bulky lenses and mirrors, then prisms and gratings, and so on. The ...

Condensed Matter Jul 13, 2022

Atomically-smooth gold crystals help to compress light for nanophotonic applications

Korea Advanced Institute of Science and Technology (KAIST) researchers and their collaborators at home and abroad have successfully demonstrated a new platform for guiding the compressed light waves in very thin van der Waals ...

Optics & Photonics Jun 30, 2022

Research team develops ultrabroadband edge coupler for highly efficient second harmonic generation

Thin-film lithium niobate (TFLN) has recently emerged as a versatile nanophotonic platform. With the advantages of high optical confinement, enhanced light-matter interaction, and flexible dispersion control, TFLN-based periodically ...

Nanophysics Jun 28, 2022

Ultrafast world captured with ultrathin films

A film just 250 nanometers or 0.00025 mm thick has given scientists a sneak peek into the ultrafast world.

Nanophysics Jun 27, 2022

Single-atom tractor beams power chemical catalysis

By trapping light into tiny gaps only a few atoms wide, a team from the NanoPhotonics Center at the Cavendish Laboratory at the University of Cambridge has magnified optical forces a thousand-fold, strong enough to force ...

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