Photonic hypercrystals: new media for control of light-matter interaction
(Conference Presentation)

Tal Galfsky; Evgenii E. Narimanov; Vinod M. Menon

doi:10.1117/12.2240593

9 November 2016 Photonic hypercrystals: new media for control of light-matter interaction (Conference Presentation)

Tal Galfsky, Evgenii E. Narimanov, Vinod M. Menon

Proceedings Volume 9918, Metamaterials, Metadevices, and Metasystems 2016; 99181W (2016) https://doi.org/10.1117/12.2240593
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

Photonic crystals and metamaterials have emerged as the most widely used artificial media for controlling light-matter interaction in solid state systems. The former relies on Bragg scattering from wavelength sized periodic modulation in the dielectric environment while the latter has sub-wavelength sized sub-structures that are designed to give an effective medium response. Here we report a new class of artificial photonic media: “photonics hypercrystals” for control of light matter interaction. Hypercrystals are distinct from photonic crystals, as both material scales involved - the hypercrystal period and the unit cells of its material components - are sub-wavelength. And they are also not metamaterials, as their electromagnetic response is qualitatively different from the expected averaged behavior. This fundamental difference results in a number of nontrivial electromagnetic properties of the hypercrystals, that can be observed in experiment and even lead to practical devices - from broadband enhancement of spontaneous emission and light out-coupling which has never to date been demonstrated simultaneously in either metamaterials or photonic crystals, to Dirac physics and singularities in sub-wavelength sized lattice. Specifically, we demonstrate enhanced spontaneous emission rate (x20) and light out-coupling (x100) from a two-dimensional metal-dielectric hypercrystal embedded with quantum dots. Such designer photonic media with complete control over the optical properties provide a new platform for broadband control of light-matter interaction.

Conference Presentation

Citation Download Citation

Tal Galfsky, Evgenii E. Narimanov, and Vinod M. Menon "Photonic hypercrystals: new media for control of light-matter interaction (Conference Presentation)", Proc. SPIE 9918, Metamaterials, Metadevices, and Metasystems 2016, 99181W (9 November 2016); https://doi.org/10.1117/12.2240593

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KEYWORDS

Light-matter interactions

Metamaterials

Photonic crystals

Electromagnetism

Dielectrics

Light scattering

Modulation

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