Bulletin of the American Physical Society
APS March Meeting 2013
Volume 58, Number 1
Monday–Friday, March 18–22, 2013; Baltimore, Maryland
Session C3: Invited Session: Metamaterials |
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Sponsoring Units: DMP Chair: David Cahill, University of Illinois Room: Ballroom III |
Monday, March 18, 2013 2:30PM - 3:06PM |
C3.00001: James C. McGroddy Prize for New Materials Lecture: Transformation optics shapes metamaterials Invited Speaker: John Pendry Metamaterials offer a huge range of new electromagnetic properties: negative refraction, spatial inhomogeneity to name only two. To exploit the possibilities offered in this new world we need a new design tool. Maxwell's equations are exact at the classical level but lack transparency; Snell's law is elegantly visual, an aid to the imagination, but fails to account for many vital aspects of electromagnetism. Transformation optics retains an intuitive appeal, replacing the rays of Snell's law with the field lines of Maxwell whose equations is represents exactly. [Preview Abstract] |
Monday, March 18, 2013 3:06PM - 3:42PM |
C3.00002: James C. McGroddy Prize Talk Invited Speaker: David Smith |
Monday, March 18, 2013 3:42PM - 4:18PM |
C3.00003: James C. McGroddy Prize Talk - Photonic Metamaterials: Review, Challenging and Opportunities Invited Speaker: Costas Soukoulis In the last decade, a new area of photonic research has emerged, that has given the ability to produce materials with entirely novel electromagnetic properties. Known as metamaterials (MMs) for their ability to take beyond conventional materials. Clearly, the field of MMs can develop mould-breaking technologies for a plethora of applications, where control over light (or more generally electromagnetic radiation) is a prominent ingredient--among them telecommunications, solar energy harvesting, biological and THz imaging and sensing, optical isolators and polarizers. In this talk, I give an introduction into this emerging field, review recent progress (chiral and 3D MMs, bringing gain to MMs, and what is a good conductor for use in MMs and in plasmonics and Casimir forces) and highlight remaining challenges and opportunities. [Preview Abstract] |
Monday, March 18, 2013 4:18PM - 4:54PM |
C3.00004: Three-dimensional Chiral Plasmonic Oligomers Invited Speaker: Mario Hentschel We demonstrate chiral optical response in stacked arrangements of plasmonic nanostructures. We show that three-dimensional arrangements of plasmonic ``meta-atoms'' only exhibit a chiral optical response if similar plasmonic ``atoms'' are arranged in a handed fashion as we require resonant plasmonic coupling. Moreover, we demonstrate that such particle groupings, similarly to molecular systems, possess the capability to encode their three-dimensional arrangement in unique and well-modulated spectra, making them ideal candidates for a three-dimensional chiral plasmon ruler. Furthermore, we discuss the onset of a broadband chiral optical response in the wavelength regime between 700 nm and 3500 nm upon charge transfer between the nanoparticles. We show in experiment and simulation that this response is due to the ohmic contact between adjacent particles which causes a strong red-shift of the fundamental mode. The geometrical shape of the resulting fused particles allows for efficient excitation of higher order modes. Calculated spectra and field distributions confirm our interpretation and show a number of interacting plasmonic modes. Finally, we will discuss plasmonic diastereomers which consist of multiple chiral centers. We find that the chiral optical response of the composite molecules can be traced back to the properties of the constituting building blocks. We demonstrate that the optical response of complex chiral plasmonic systems can be decomposed and understood in terms of fundamental building blocks, offering simple and straightforward design rules for future applications such as chiral optical elements and enantiomer sensors. [Preview Abstract] |
Monday, March 18, 2013 4:54PM - 5:30PM |
C3.00005: TBD Invited Speaker: Xiang Zhang |
Monday, March 18, 2013 5:30PM - 6:06PM |
C3.00006: TBD Invited Speaker: Martin Wegener |
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