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Engineering photonic density of states using metamaterials |
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| Authors: | Z Jacob J-Y Kim G V Naik A Boltasseva E E Narimanov V M Shalaev |
| Institution: | 1. Birck Nanotechnology Center, School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, 47907, USA 2. DTU-Fotonik Technical University of Denmark, DTU Building 343, 2800, Kongens Lyngby, Denmark 3. Erlangen Graduate School in Advanced Optical Technologies (SAOT), Friedrich-Alexander-Universita?t Erlangen-Nuürnberg, 91052, Erlangen, Germany |
| Abstract: | The photonic density of states (PDOS), like its electronic counterpart, is one of the key physical quantities governing a variety of phenomena and hence PDOS manipulation is the route to new photonic devices. The PDOS is conventionally altered by exploiting the resonance within a device such as a microcavity or a bandgap structure like a photonic crystal. Here we show that nanostructured metamaterials with hyperbolic dispersion can dramatically enhance the photonic density of states paving the way for metamaterial-based PDOS engineering. |
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