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Editor's choice

Apr 1, 2012

Free to view: a special focus issue of Physics World examining some of the latest applications of optics and lasers

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Physicists claim new quantum-teleportation record

Photon states teleported 97 km over lake

Infrared vision could help the blind to see

Wireless retinal implant could allow for higher-resolution vision

Levitating drops controlled by fridge magnets

System could be used to model celestial dynamics

Photon-polarization qubits stored in atomic combs

Solid-state devices could be used as quantum repeaters

Quantum dots give graphene photodetector a boost

Hybrid device is a billion times more sensitive to light

Frequency comb takes a measure of distance

New interferometry technique uses "thousands of lasers"

Silicon 'prism' bends gamma rays

Surprise discovery could lead to new imaging techniques

Solar-cell efficiency boosted by folds and wrinkles

New organic photovoltaic mimics leaves

Textured glass provides a clear view

Etched surface is glare free and could be either self-cleaning or anti-fogging

Single laser makes many colours

New design is based on quantum dots

New material filters and polarizes terahertz radiation

Stacked layers of graphene could make effective shields

Germany sends optical-clock signal over nearly 1000 km

New technique is first step towards pan-European network for connecting optical clocks

Graphene emits infrared light

Population inversion and optical gain spotted in wonder material

First hint of Majorana fermions spotted in nanowires

Elusive particle emerges from topological insulator

New single-photon source could boost quantum cryptography

Simple and reliable device is based on LED technology