A coherent perfect absorber is a system in which the complete absorption of electromagnetic radiation is achieved by controlling the interference of multiple incident waves. Here, we review recent ...

To build the antilaser, which Cao and colleagues call a “coherent perfect absorber,” the researchers split a beam from a titanium-sapphire laser in two. The laser emitted light in the infrared ...

(Courtesy: TU Wien) Physicists in Austria and Israel say they have developed an “anti-laser”, or “coherent perfect absorber”, that can enable any material to absorb all light from a wide range of ...

The device, termed a “coherent perfect absorber,” functions as an absorptive interferometer, with potential practical applications in integrated optics. Last summer, Yale physicist A. Douglas Stone ...

A recently published study has taken on the hurdle of developing a reflectionless device — known as the “coherent perfect absorber” or “anti-laser” — that is capable of routing signals and maintaining ...

Chong and co call their new devices coherent perfect absorbers or CPAs and a number of applications in communications spring to mind. They show that a single material can absorb perfectly at a ...

Other researchers have created similar devices, called coherent perfect absorbers, by repeatedly bouncing light between a mirror and a piece of absorbing material. What’s new, Stone says ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars ...

The researchers built what they call a Coherent Perfect Absorber (CPA), a silicon wafer that traps and dissipates incoming coherent light of a predefined wavelength. In other words, just as a ...

Less than a year after it was first suggested, the world's first antilaser is here. A team of physicists have built a contraption that, instead of flashing bright beams, utterly extinguishes ...