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Optics & Photonics Oct 2, 2023

Next-generation printing: Precise and direct, using optical vortices

Will printed photographs ever match the precision of a mirror's reflection? Even though the answer may still be no for a while, Osaka Metropolitan University scientists have made significant strides in precision printing ...

Optics & Photonics Feb 10, 2023

A liquid laser that is robust in air and tunable by wind

Scientists from the Tsukuba Research Center for Energy Materials Science at the University of Tsukuba demonstrated a simple method to produce ionic liquid microdroplets that work as flexible, long-lasting, and pneumatically ...

Optics & Photonics Jan 31, 2023

Quantum vortex formation in the lab

Quantized vortices can be generated in classical experiments of liquid helium and ultracold dilute gases to conduct fundamental and comparative studies of different superfluids. In a new report published in Science Advances, ...

Optics & Photonics Dec 19, 2022

Developing 3D live hologram technology to save lives in field hospitals

3D holograms from your phone, television, or favorite droid have been promised for decades but, despite being of great interest, have yet to materialize. The applications for them are far-reaching, particularly in the medtech ...

Quantum Physics Nov 21, 2022

Microlaser chip adds new dimensions to quantum communication

Researchers at Penn Engineering have created a chip that outstrips the security and robustness of existing quantum communications hardware. Their technology communicates in "qudits," doubling the quantum information space ...

Optics & Photonics Sep 13, 2022

Smooth, versatile on-chip light manipulation is now possible with supersymmetry

Transformation optics has formulated a versatile framework to mold the flow of light and tailor its spatial characteristics at will. The coordinate transformation often yields extreme material parameters unfeasible even with ...

Optics & Photonics Sep 8, 2022

Chiral quasi bound states in the continuum for a high-purity circularly polarized light source

An ultracompact circularly polarized light source is a crucial component for the applications of classical and quantum optics information processing. The development of this field relies on the advances of two fields: quantum ...

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, ...

Nanophysics May 19, 2022

Generating ultra-violet lasers with near-infrared light through 'domino upconversion' of nanoparticles

Strong and coherent ultraviolet light emission devices have enormous medical and industrial application potential, but generating ultraviolet light emission in an effective way has been challenging. Recently, a collaborative ...

Optics & Photonics Mar 23, 2022

Physicists created a microlaser emitting two circular beams

Scientists from the University of Warsaw, the Military University of Technology and the University of Southampton presented a new type of tunable microlaser emitting two beams. "These beams are polarized circularly and directed ...

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