NEWS

>>Capasso group's work on the generation of optical vortices via optical phased array based on phase discontinuities was recently published in APL and has made the cover of the magazine. Please see the original article.

>>Capasso group's work on new laws of reflection and refraction has made the cover of Science and of Physics today. Please see the original article; the commentary article by Prof. Engheta in the same issue and the Physics today Search and Discovery article.


>>Federico Capasso has received the 2011 Jan Czochralski Award of the European Material Research Society at a recent ceremony in Warsaw (Poland) on occasion of the fall meeting of the society . He was recognized for his lifetime achievements in the field of advanced materials science (see the story on the SEAS website). He was also recently recognized at the 4th European Optical Society Topical Meeting on Optical Microsystems with the Galileo Galilei Medal for his outstanding contributions to optics and photonics. The photo shows Prof. Capasso receiving the award from the conference chairman Dr. Ivo Rendina

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>> Capasso group's work on new laws of reflection and refraction for designer interfaces has been published in Science Express, the online edition of Science. The paper reports on how an array of optical antennas with spatially varying phase response and sub-wavelength separation can imprint phase discontinuities on propagating light as it traverses the interface between two media. Anomalous reflection and refraction phenomena are observed in this regime in excellent agreement with generalized laws derived from Fermat's principle. Please read the story on the Harvard SEAS website and the Headline story in Physics World.

>> Capasso Group's recent work on highly uni-directional whispering gallery microlasers has been published in PNAS. This work is in collaboration with Jan Wiersig group at Institut fur Theoretische Physik, Universitat Magdeburg, Germany and Masamichi Yamanishi group at Central Research Laboratory, Hamamatsu Photonics K.K., Japan. The paper reports the design of elliptical resonators with a wavelength-size notch at the boundary, which support in-plane highly unidirectional laser emission from whispering gallery modes. Please read the story featured at Harvard SEAS website. See also Prof Scully's commentary published on PNAS

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