Jump to main content
Jump to site search

Issue 36, 2018
Previous Article Next Article

High-Q, low-mode-volume and multiresonant plasmonic nanoslit cavities fabricated by helium ion milling

Author affiliations

Abstract

Helium ion milling of chemically-synthesized micron-sized gold flakes is performed to fabricate ultra-narrow nanoslit cavities with a varying length and width down to 5 nm. Their plasmon resonances are characterized by one-photon photoluminescence spectroscopy. The combination of fabrication based on single-crystalline gold and resonant modes with low radiative losses leads to remarkably high quality factors of up to 24. Multiple Fabry–Pérot-type resonances in the visible/near infrared spectral range are observed due to the achieved narrow slit widths and the resulting short effective wavelengths of nanoslit plasmons. These features make nanoslit cavities attractive for a range of applications such as surface-enhanced spectroscopy, ultrafast nano-optics and strong light–matter coupling.

Graphical abstract: High-Q, low-mode-volume and multiresonant plasmonic nanoslit cavities fabricated by helium ion milling

Back to tab navigation

Supplementary files

Publication details

The article was received on 15 Mar 2018, accepted on 13 Aug 2018 and first published on 14 Aug 2018


Article type: Paper
DOI: 10.1039/C8NR02160K
Citation: Nanoscale, 2018,10, 17148-17155
  •   Request permissions

    High-Q, low-mode-volume and multiresonant plasmonic nanoslit cavities fabricated by helium ion milling

    K. Chen, G. Razinskas, H. Vieker, H. Gross, X. Wu, A. Beyer, A. Gölzhäuser and B. Hecht, Nanoscale, 2018, 10, 17148
    DOI: 10.1039/C8NR02160K

Search articles by author

Spotlight

Advertisements