Light-Emitting Metasurfaces: Simultaneous Control of Spontaneous Emission and Far-Field Radiation
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Center for Integrated Nanotechnologies
- Friedrich Schiller Univ. Jena (Germany). Inst. of Applied Physics. Abbe Center of Photonics
- Univ. of New Mexico, Albuquerque, NM (United States). Center for High Technology Materials (CHTM)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Light-emitting sources and devices permeate every aspect of our lives and are used in lighting, communications, transportation, computing, and medicine. Advances in multifunctional and “smart lighting” would require revolutionary concepts in the control of emission spectra and directionality. Such control might be possible with new schemes and regimes of light–matter interaction paired with developments in light-emitting materials. We show that all-dielectric metasurfaces made from III–V semiconductors with embedded emitters have the potential to provide revolutionary lighting concepts and devices, with new functionality that goes far beyond what is available in existing technologies. Specifically, we use Mie-resonant metasurfaces made from semiconductor heterostructures containing epitaxial quantum dots. By controlling the symmetry of the resonant modes, their overlap with the emission spectra, and other structural parameters, we can enhance the brightness by 2 orders of magnitude, as well as reduce its far-field divergence significantly.
- Research Organization:
- Los Alamos National Laboratory (LANL)
- Sponsoring Organization:
- German Research Foundation (DFG); LANL Laboratory Directed Research and Development (LDRD) Program; Thuringian State Government (Germany); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC52-06NA25396; NA0003525
- OSTI ID:
- 1482014
- Report Number(s):
- LA-UR-18-28615
- Journal Information:
- Nano Letters, Journal Name: Nano Letters Journal Issue: 11 Vol. 18; ISSN 1530-6984
- Publisher:
- American Chemical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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