Anisotropy and Modal Hybridization in Infrared Nanophotonics Using Low-Symmetry Materials
Source abstract
Abstract
Anisotropy has been a key property employed in the design of optical components for hundreds of years. However, in recent years there has been growing interest in polaritons supported within anisotropic (low crystal symmetry) materials for their ability to compress light to smaller, deeply subwavelength dimensions. While historically the first anisotropic polaritons probed were hyperbolic modes, research into anisotropic materials has recently turned toward hybrid materials and optical modes, employing phenomena such as phonon confinement, polaritonic strong coupling, and Moiré structures to design the optical properties. In this Perspective, we will briefly introduce the physics and theories of polariton anisotropy, review recently investigated anisotropic and two-dimensional materials, and then move on to a discussion of approaches toward realizing hybrid modes and identifying new materials. Based on the results from the past few years, we extend these discussions to highlight outstanding challenges and outline what we perceive as promising paths to further explore the potential for polariton anisotropy and hybrid systems in future nanophotonic optical devices.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Thermal Radiation and Cooling Technologies · Plasmonic and Surface Plasmon Research · Strong Light-Matter Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical Engineering, Vanderbilt University, 101 Olin Hall, 2400 Highland Avenue, Nashville, Tennessee 37205, United States
Department of Physics and Astronomy, The University of Iowa, Iowa City, Iowa 52241, United States
Department of Physics, University of Oviedo, Oviedo 33006, Spain
Center of Research on Nanomaterials and Nanotechnology, CINN (CSIC-Universidad de Oviedo), El Entrego 33940, Spain
School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, United Kingdom
Department of Physical Chemistry, Fritz Haber Institute of the Max Planck Society, Berlin 14195, Germany
Interdisciplinary Materials Science Program, Vanderbilt University, 101 Olin Hall, 2400 Highland Avenue, Nashville, Tennessee 37205, United States
Funding
Royal Society · Leverhulme Trust · Army Research Office · Ministerio de Ciencia e Innovaci?n · University of Iowa · H2020 European Research Council · Division of Materials Research
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