Detail publikace

Launching of hyperbolic phonon-polaritons in h-BN slabs by resonant metal plasmonic antennas

PONS-VALENCIA, P., ALFARO-MOZAZ, F. J., WIECHA, M. M., BIOLEK, V., DOLADO, I., VELEZ, S., LI, P., ALONSO-GONZALEZ, P., CASANOVA, F., HUESO, L.E., MARTIN-MORENO, L., HILLENBRAND, R., NIKITIN, A.Y.

Originální název

Launching of hyperbolic phonon-polaritons in h-BN slabs by resonant metal plasmonic antennas

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Launching and manipulation of polaritons in van der Waals materials offers novel opportunities for field-enhanced molecular spectroscopy and photodetection, among other applications. Particularly, the highly confined hyperbolic phonon polaritons (HPhPs) in h-BN slabs attract growing interest for their capability of guiding light at the nanoscale. An efficient coupling between free space photons and HPhPs is, however, hampered by their large momentum mismatch. Here, we show —by far-field infrared spectroscopy, infrared nanoimaging and numerical simulations— that resonant metallic antennas can efficiently launch HPhPs in thin h-BN slabs. Despite the strong hybridization of HPhPs in the h-BN slab and Fabry-Pérot plasmonic resonances in the metal antenna, the efficiency of launching propagating HPhPs in h-BN by resonant antennas exceeds significantly that of the non-resonant ones. Our results provide fundamental insights into the launching of HPhPs in thin polar slabs by resonant plasmonic antennas, which will be crucial for phonon-polariton based nanophotonic devices.

Klíčová slova

metamaterials; modes; nitride; films

Autoři

PONS-VALENCIA, P., ALFARO-MOZAZ, F. J., WIECHA, M. M., BIOLEK, V., DOLADO, I., VELEZ, S., LI, P., ALONSO-GONZALEZ, P., CASANOVA, F., HUESO, L.E., MARTIN-MORENO, L., HILLENBRAND, R., NIKITIN, A.Y.

Vydáno

19. 7. 2019

Nakladatel

Springer Nature

ISSN

2041-1723

Periodikum

NATURE COMMUNICATIONS

Ročník

10

Číslo

1

Stát

Spojené království Velké Británie a Severního Irska

Strany od

1

Strany do

8

Strany počet

8

URL

https://www.nature.com/articles/s41467-019-11143-7

Plný text v Digitální knihovně

http://hdl.handle.net/11012/184644

BibTex

@article{BUT160664,
  author="Pablo {Pons-Valencia} and Francisco Javier {Alfaro-Mozaz} and Matthias Marco {Wiecha} and Vladimír {Biolek} and Ignacio {Dolado} and Saul {Velez} and Peining {Li} and Pablo {Alonso-González} and Felix {Casanova} and Luis E. {Hueso} and Luis {Martin-Moreno} and Rainer {Hillenbrand} and Alexey {Nikitin}",
  title="Launching of hyperbolic phonon-polaritons in h-BN slabs by resonant metal plasmonic antennas",
  journal="NATURE COMMUNICATIONS",
  year="2019",
  volume="10",
  number="1",
  pages="1--8",
  doi="10.1038/s41467-019-11143-7",
  issn="2041-1723",
  url="https://www.nature.com/articles/s41467-019-11143-7"
}