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Feynman Lectures 50th anniversary celebration seminar series


AFM technologies for non-invasive diagnostics

Speaker: Christoph Gerber from the University of Basel

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LEDs

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

Technology update

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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.

Nanolasers go bowtie-shaped

Novel devices work at room temperature and are compatible with traditional silicon-based photonics.

Emission examined at the nanoscale

"Fluctuational electrodynamics" describes how tiny objects radiate.

Physicists create new slow-light technique

Electromagnetically induced transparency seen in nuclear system for first time