Physics - Optics & Photonics news

Memory closes in on single photons

(Phys.org) —In a world-first, an optical memory – a key component for quantum computers – has been created within a hollow-core optical fibre and shown to operate at the level of a single particle of ...

Mar 18, 2014
4.6 / 5 (12) 0

Bending the light with a tiny chip

(Phys.org) —Imagine that you are in a meeting with coworkers or at a gathering of friends. You pull out your cell phone to show a presentation or a video on YouTube. But you don't use the tiny screen; your ...

Mar 10, 2014
4.9 / 5 (18) 3

A new laser for a faster internet

(Phys.org) —A new laser developed by a research group at Caltech holds the potential to increase by orders of magnitude the rate of data transmission in the optical-fiber network—the backbone of the Internet.

Feb 20, 2014
4.8 / 5 (32) 0

Holographic diagnostics

(Phys.org) —'Smart' holograms, which are currently being tested to monitor diabetes, and could be used to monitor a wide range of medical and environmental conditions in future, have been developed by researchers.

Jan 22, 2014
5 / 5 (5) 1 | with audio podcast

3-D images, with only one photon per pixel

Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser light and measuring the time it takes for ...

Nov 29, 2013
5 / 5 (11) 0 | with audio podcast