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Tag Archives: Photonics
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
Toward a Perfect Single-Photon Source
Semiconductor quantum dot emits photons that are squeezed below the fundamental noise limit. Continue reading
An Electrical Trigger Fires Single, Identical Photons
The precisely controlled photon source, made from an atomically thin semiconducting material, could aid the development of advanced quantum communication. Read more at Berkeley Lab…
Coldest Electrons Ever from Photocathodes
Researchers have generated the coldest electrons to date from solid-state photocathodes, an achievement that could improve electron sources for particle accelerators and ultrafast electron microscopy applications. Continue reading