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  Negative refraction in hyperbolic hetero-bicrystals

Sternbach, A. J., Moore, S., Rikhter, A., Zhang, S., Jing, R., Shao, Y., et al. (2023). Negative refraction in hyperbolic hetero-bicrystals. Science, 379(6632), 555-557. doi:10.1126/science.adf1065.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000B-3FDE-6 Version Permalink: https://hdl.handle.net/21.11116/0000-000C-9213-9
Genre: Journal Article

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Supplementary Materials: Materials and Methods; Supplementary Text; Figs. S1 to S15; Table S1; References (36–45)
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 Creators:
Sternbach, A. J.1, Author
Moore, S.1, Author
Rikhter, A.2, Author
Zhang, S.1, Author
Jing, R.1, Author
Shao, Y.1, Author
Kim, B.3, Author
Xu, S.1, Author
Liu, S.3, 4, Author
Edgar, J. H.4, Author
Rubio, A.5, 6, Author           
Dean, C.1, Author
Hone, J.3, Author
Fogler, M. M.2, Author
Basov, D. N.1, Author
Affiliations:
1Department of Physics, Columbia University, ou_persistent22              
2Department of Physics, University of California San Diego, ou_persistent22              
3Department of Mechanical Engineering, Columbia University, ou_persistent22              
4Tim Taylor Department of Chemical Engineering, Kansas State University, ou_persistent22              
5Center for Computational Quantum Physics (CCQ), Flatiron Institute, ou_persistent22              
6Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              

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 Abstract: We visualized negative refraction of phonon polaritons, which occurs at the interface between two natural crystals. The polaritons—hybrids of infrared photons and lattice vibrations—form collimated rays that display negative refraction when passing through a planar interface between the two hyperbolic van der Waals materials: molybdenum oxide (MoO3) and isotopically pure hexagonal boron nitride (h11BN). At a special frequency ω0, these rays can circulate along closed diamond-shaped trajectories. We have shown that polariton eigenmodes display regions of both positive and negative dispersion interrupted by multiple gaps that result from polaritonic-level repulsion and strong coupling.

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Language(s): eng - English
 Dates: 2022-09-302023-01-132023-02-092023-02-10
 Publication Status: Issued
 Pages: 3
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 2209.15155
DOI: 10.1126/science.adf1065
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Project name : Research on polaritons in van der Waals materials is supported as part of Programmable Quantum Materials, an Energy Frontier Research Center funded by the US Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES), under award DE-SC0019443. Work on negative refraction is supported through the Vannevar Bush Faculty Fellow program ONR-VB: N00014-19-1-2630. D.N.B. is a Moore Investigator in Quantum Materials EPIQS GBMF9455. The development of nanophotonics methods is supported by DOE-BES grant DE-SC0018426. Support for the h11BN crystal growth comes from the Office of Naval Research, award N00014-20-1-2474.
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Title: Science
  Abbreviation : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 379 (6632) Sequence Number: - Start / End Page: 555 - 557 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1