Narrowing the Spectrum of Diode Lasers

A useful replacement for the more complex single-frequency lasers is possible

Twisted Light Carries More Data

New technology could allow 100-times faster internet

A Cloud-Piercing Laser

An ultra-hot laser creates a temporary hole in a cloud to improve optical communication

First Proof of a Transistor Random Laser

The laser emission can be routed and steered by applying an external voltage

Optical Centrifuges for Superrotors

Novel corkscrew-laser technique can send molecules spinning rapidly about a selected axis

Smallest Integrated Frequency Comb Generator

Compact size and low power open the door to portable frequency comb devices

Generating Multiple Frequency Combs

New way to implement an optical sensing system by using spatial multiplexing

New Method for Ultrafast Laser Pulses

The electro-optic modulation techniques can operate at much higher repetition rates than mode-locked lasers

Absolute Duration of the Photoelectric Effect

The photoemission from the tungsten conduction band can proceed faster than previously anticipated

Smart Mirror for a Radiation-Pressure Power Meter

New chip-sized device could help manufacturers measure laser power in real time.