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Evanescent waves from nanomaterials aid compact chemical detection

An ensemble of cold atoms trapped in an optical lattice provides precision timing for optical clocks

Scientists have now used metamaterials to control terahertz radiation efficiently in real time

Microfluidic lasers enhance the sensitivity of very small-scale chemical sensors

In the world of molecular dynamics, timescales are short. But by taking a series of infrared snapshots, changes in molecular configuration that occur over a few hundred picoseconds can be observed.

Surface-emitting terahertz quantum-cascade lasers offer better slope efficiencies than their edge-emitting counterparts

Microdisks provide strong light confinement for erbium-doped silicon lasers

Solitons maintain their confinement as they are manipulated to change direction

Controlled spatial alignment is critical to cavity quantum electrodynamics in solid-state systems

Photonic crystals enhance the light emission from silicon–germanium quantum dots

Composite photonic crystal structures offer more flexible superlens designs

Photons find fundamental quantum limit to heat transfer

Fluorescence modulation advances three-dimensional optical data storage

Epitaxial growth of thin zinc telluride layers could advance the development of terahertz emitters and detectors

Grooves guide terahertz surface plasmon polaritons to subwavelength confinement

Quantum dots help to guide light at the subdiffraction limit

Long-range interactions are observed between optical solitons

Studies reveal new ways in which chiral molecules get a grip over light

Sinusoidal gating enables InGaAs avalanche photodiodes to operate at 800 MHz

Terahertz microchip offers a sensitive nose to sniff out drugs