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IOP A community website from IOP Publishing in the lab


3: Manipulating light with metamaterials

Silvia Peruch and Nicolas Olivier show us their work in Anatoly Zayat's Lab at King's College London looking at metamaterials.

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Using nanotechnology to enhance the performance of LEDs and other light sources

Technology update

Breaking research and industry highlights

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Taking the heat off silicon optical devices

Pulsed laser deposition offers a cooler CMOS-compatible approach for fabricating photoluminescent silicon nanocrystal fabrication.

Liquid gain makes tunable plasmon laser

Nanocavity device could be used to detect weak physical and chemical processes in real time.

Opals turn atom spectra upside down

(with audio) The natural simplicity of atoms as perfect resonators reveals new optical behaviour in photonic crystals.

Nonlinear signals benefit from top coat

A silver-coated nanowire provides efficient, tunable and directional nonlinear signals for photonic systems.

Striking a balance for better quantum dot LEDs

A quantum dot LED structure that includes an insulating layer to balance charge injections demonstrates greater efficiency and stability.

Photonic crystals: how defects lead to a prison for light

Researchers demonstrate how defects in a 3D crystal can create photonic bandgap cavities for light that may be useful for lasing, LEDS, information storage and sensitive pharmaceutical sensors

Nano-antenna boosts nonlinear optics

Plasmonic field enhancements increase nonlinear interactions by a factor of a million.

Nano-LEDS brighten nanocircuit prospects

Electrically driven nanoscale light source connects electronic and optical circuits.

Nanogaps intensify terahertz waves

New technique to produce extremely thin gaps in metal layers could help make ultrafast and energy efficient nanodevices

Piezophototronics makes highly sensitive skin-like sensor

First nanowire LED arrays capable of converting applied mechanical pressure into light signals

'Lattice plasmons' help make for new nanolaser

Device bodes well for next-generation information technology in which photons rather than electrons make up circuit components

Nanoscale processor controls light with light

Cluster of gold nanodisks enhances optical circuits

Light-scattering nanowires could help improve LEDs

Southampton team on track for observing Anderson localization.

First light for MoS2

2D semiconductor could rival wonder material graphene and even silicon itself in future optoelectronics.

SiLEDs emit multicolours

Devices can be tuned to emit over a range of colours, from deep red to yellow-orange, by controlling size of silicon nanocrystals

Super single-photon source for quantum computers

Highest quality achieved in a semiconductor dot system.

Tungstenite triangles emit light

Glowing 2D material could find applications in optoelectronics.

Nanoantenna arrays go optical

New structures could be used to make 3D holography displays.

Nanothermodynamics improves surface energy measurements

New results for selenium important for variety of applications including solar cells, computer memories and LEDs.