Phonon-polaritonics: enabling powerful capabilities for infrared photonics

  title={Phonon-polaritonics: enabling powerful capabilities for infrared photonics},
  author={Stavroula Foteinopoulou and G. Chinna R. Devarapu and Ganapathi S. Subramania and Sanjay Krishna and Daniel Wasserman},
  pages={2129 - 2175}
Abstract Here, we review the progress and most recent advances in phonon-polaritonics, an emerging and growing field that has brought about a range of powerful possibilities for mid- to far-infrared (IR) light. These extraordinary capabilities are enabled by the resonant coupling between the impinging light and the vibrations of the material lattice, known as phonon-polaritons (PhPs). These PhPs yield a characteristic optical response in certain materials, occurring within an IR spectral window… 
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Bottom-up-synthesized α-MoO3 structures are introduced as nanoscale phonon polaritonic systems that feature tailorable morphologies and crystal qualities consistent with bulk single crystals and are anticipated to serve as an enabling high-performance and low-loss platform for infrared optical and optoelectronic applications.
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The hyperbolic surface phonon polaritons and surface plasmonsolaritons are engineer to dynamically tune the perfect absorption in mid-infrared by combing the two van der Waals materials: the naturalhyperbolic material hBN and phase change material VO2.
Omnidirectional and compact Tamm phonon-polaritons enhanced mid-infrared absorber* * Project supported by the National Natural Science Foundation of Jiangsu Province, China (Grant Nos. BK20191396, BK20180784).
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A conventional thermal emitter exhibits a broad emission spectrum with a peak wavelength depending upon the operation temperature. Recently, narrowband thermal emission was realized with periodic
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This work experimentally observes a threefold improvement in polariton lifetime through isotopic enrichment of hexagonal boron nitride (hBN), and provides the foundation for a materials-growth-directed approach aimed at realizing the loss control necessary for the development of PhP-based nanophotonic devices.
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Black phosphorus is introduced as a promising new material in surface polaritonics that features key advantages for ultrafast switching, the excellent switching contrast and switching speed, the coherence properties and the constant wavelength of this transient mode make it a promising candidate for ultra fast nanophotonic devices.
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