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Tag Archives: Photonics
Curved Light Channels Have Better Coupling
More frequencies of light can pass between two coupled wavy waveguides than between two coupled straight ones, something that could allow for more flexible designs of optics-based circuits on silicon chips. Continue reading
Extra-Stable Light Produced by Levitated Nanoparticle
A trapped nanoparticle interacting with a laser provides a simple way to generate squeezed light, which has an unusually low level of fluctuations. Read more in APS Physics…
Mirror Image Pinpoints a Nanoparticle’s Position
A scattered laser beam’s interaction with itself creates a motion-detection method precise enough to determine whether a trapped particle is in its ground state. Continue reading
Unpolarized Light Could Separate Chiral Molecules
Numerical simulations suggest that unpolarized light with a twisted phase could help sort left- and right-handed molecules into separate ring-shaped traps. Continue reading
Quantum Metasurfaces Entangle Photons on Demand
When it’s modulated by laser beams, a surface made of polarizable meta-atoms can entangle a photon’s properties in multiple, controllable ways. Continue reading
Optical Fiber Modes Resist Deformations
A machine-learning approach quickly characterizes an optical fiber, identifying transmission channels that aren’t affected by deformation. Continue reading
An Optical System Defies Conventional Band Theory
Squeezed wave functions reshape an open quantum system’s
bulk-boundary properties and generate a new class of parity-time
symmetry. Continue reading
Light Pulses Change Speed in a Plasma
Interactions between two laser beams in a plasma allow for precise
control over the light’s velocity. Continue reading
Ultrabright Photons for Single-Chip Quantum Devices
A microcavity-based source of photon pairs achieves one hundred times the efficiency of state-of-the-art devices. Read more in APS Physics…
Pulses of Light Accelerate in Free Space
A recipe for greatly accelerating a light pulse involves sculpting its
spectrum in space and time. Continue reading
Rachel Berkowitz 