Ultrafast all-optical switching via coherent modulation of metamaterial absorption

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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Author(s)

  • Xu Fang
  • Ming Lun Tseng
  • Jun-Yu Ou
  • Kevin F. Macdonald
  • Nikolay I. Zheludev

Detail(s)

Original languageEnglish
Article number141102
Journal / PublicationApplied Physics Letters
Volume104
Issue number14
Publication statusPublished - 7 Apr 2014
Externally publishedYes

Link(s)

DOI

DOI
Check@CityULib
Link to Scopus https://www.scopus.com/record/display.uri?eid=2-s2.0-84898981336&origin=recordpage
Permanent Link https://scholars.cityu.edu.hk/en/publications/publication(6cee482f-d758-45bc-8b49-b15d99886fd2).html

Abstract

We report on the demonstration of a femtosecond all-optical modulator providing, without nonlinearity and therefore at arbitrarily low intensity, ultrafast light-by-light control. The device engages the coherent interaction of optical waves on a metamaterial nanostructure only 30 nm thick to efficiently control absorption of near-infrared (750-1040 nm) femtosecond pulses, providing switching contrast ratios approaching 3:1 with a modulation bandwidth in excess of 2 THz. The functional paradigm illustrated here opens the path to a broad family of meta-devices for ultrafast optical data processing in coherent networks. © 2014 AIP Publishing LLC.

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Publication fingerprints text

100
Devices Material Science
100
Metamaterial Material Science
100
Metamaterials Keyphrases
100
Ultrafast All-optic... Keyphrases
100
Coherent Modulation Keyphrases
100
Optical Switching Physics
100
control INIS
100
absorption INIS
100
devices INIS
100
modulation INIS
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Citation Format(s)

[ RIS ] [ BibTeX ]
Ultrafast all-optical switching via coherent modulation of metamaterial absorption. / Fang, Xu; Tseng, Ming Lun; Ou, Jun-Yu et al.
In: Applied Physics Letters, Vol. 104, No. 14, 141102, 07.04.2014.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review