Stefano Longhi

Photo of Stefano Longhi

Stefano Longhi received his Ph.D. in physics in 1996, and since 2003 he has been Associate Professor of Physics of Matter at the Polytechnic Institute of Milan, Italy. His research interests range from laser physics to nonlinear optics, quantum optics, and photonics. Professor Longhi is a Fellow of the Institute of Physics. In 2003 he was awarded with the Fresnel Prize of the European Physical Society for his outstanding contributions in the fields of optics and photonics.

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Backward lasing yields a perfect absorber

Just as a laser can emit coherent light from an amplifying medium, an absorbing medium can perfectly capture incoming radiation under the right conditions. Read More »