Ir al contenido (pulsa Retorno)

Universitat Politècnica de Catalunya

    • Català
    • Castellano
    • English
    • LoginRegisterLog in (no UPC users)
  • mailContact Us
  • world English 
    • Català
    • Castellano
    • English
  • userLogin   
      LoginRegisterLog in (no UPC users)

UPCommons. Global access to UPC knowledge

Banner header
60.662 UPC E-Prints
You are here:
View Item 
  •   DSpace Home
  • E-prints
  • Centres de recerca
  • ICFO - The Institute of Photonic Sciences
  • Nano-optoelectronics
  • Articles de revista
  • View Item
  •   DSpace Home
  • E-prints
  • Centres de recerca
  • ICFO - The Institute of Photonic Sciences
  • Nano-optoelectronics
  • Articles de revista
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Direct observation of ultraslow hyperbolic polariton propagation with negative phase velocity

Thumbnail
View/Open
nphoton.2015.166.pdf (2,214Mb) (Restricted access)
Share:
 
  View Usage Statistics
Cita com:
hdl:2117/79020

Show full item record
Yoxall, Edward
Schnell, Martin
Nikitin, Alexey Y.
Txoperena, Oihana
Woessner, Achim
Lundeberg, Mark B.
Casanova, Félix
Hueso, Luis E.
Koppens, Frank H. L.
Hillenbrand, Rainer
Document typeArticle
Defense date2015-09-14
PublisherNature Publishing Group
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectTERATOMO - Near-field Spectroscopic Nanotomography at Infrared and Terahertz Frequencies (EC-FP7-258461)
Abstract
Polaritons with hyperbolic dispersion are key to many emerging photonic technologies, including subdiffraction imaging, sensing and spontaneous emission engineering1, 2, 3, 4, 5, 6, 7, 8. Fundamental to their effective application are the lifetimes of the polaritons, as well as their phase and group velocities7, 9. Here, we combine time-domain interferometry10 and scattering-type near-field microscopy11 to visualize the propagation of hyperbolic polaritons in space and time, allowing the first direct measurement of all these quantities. In particular, we study infrared phonon polaritons in a thin hexagonal boron nitride8, 12, 13 waveguide exhibiting hyperbolic dispersion and deep subwavelength-scale field confinement. Our results reveal—in a natural material—negative phase velocity paired with a remarkably slow group velocity of 0.002c and lifetimes in the picosecond range. While these findings show the polariton's potential for mediating strong light–matter interactions and negative refraction, our imaging technique paves the way to explicit nanoimaging of polariton propagation characteristics in other two-dimensional materials, metamaterials and waveguides.
URIhttp://hdl.handle.net/2117/79020
ISSN1749-4885
Publisher versionhttp://www.nature.com/nphoton/journal/v9/n10/full/nphoton.2015.166.html
Collections
  • Nano-optoelectronics - Articles de revista [15]
Share:
 
  View Usage Statistics

Show full item record

FilesDescriptionSizeFormatView
nphoton.2015.166.pdfBlocked2,214MbPDFRestricted access

Browse

This CollectionBy Issue DateAuthorsOther contributionsTitlesSubjectsThis repositoryCommunities & CollectionsBy Issue DateAuthorsOther contributionsTitlesSubjects

© UPC Obrir en finestra nova . Servei de Biblioteques, Publicacions i Arxius

info.biblioteques@upc.edu

  • About This Repository
  • Contact Us
  • Send Feedback
  • Privacy Settings
  • Inici de la pàgina