Spectroscopy with Entangled Photons

New setup could be an essential component of future quantum spectroscopy experiments

Optical Sensor Detects Chirality

System generates single-handed chiral near field with simultaneous zero far-field circular dichroism

Single Microcomb Replaces Multiple Lasers

First coherent-transmission experiments using amplitude modulation of a dark-pulse comb

Silicon-Perovskite-Tandem-Cell With Record Efficiency

With a perovskite cell on top of a standard silicon-based cell an efficiency of 25.2% is obtained

New Type of Silicon Laser

Unconventional approach uses a combination of light and sound waves to amplify light

Smelling With a Laser

Real-time and accurate measurements of gas properties with an optical frequency comb

Thin Silver-Films for Flexible Screens

Silver-based electrode films could be used for flexible touch displays, televisions and solar cells

New Way to Make Light Interact With Matter

Reducing the wavelength of light could allow it to be absorbed or emitted by a semiconductor

Capturing Light in a Waveguide Array

Topological crystalline structures confine light to improve lasers and solar cells

Real-Time Monitoring of High-Power Lasers

A compact, high-accuracy high-power laser power meter in the form of a folding mirror