Ultimate fast optical switching of a planar microcavity in the telecom wavelength range

Georgios Ctistis, E. Yuce, A. Hartsuiker, Julien Claudon, Maela Bazin, Jean-Michel Gérard, Willem L. Vos

Research output: Contribution to journalArticleAcademicpeer-review

42 Citations (Scopus)

Abstract

We have studied a GaAs–AlAs planar microcavity with a resonance near 1300 nm in the telecom range by ultrafast pump-probe reflectivity. By the judicious choice of pump frequency, we observe an ultimate fast and reversible decrease in the resonance frequency by more than half a linewidth due to the instantaneous electronic Kerr effect. The switch-on and switch-off of the cavity is only limited by the cavity storage time of τcav = 0.3 ps and not by intrinsic material parameters. Our results pave the way to supraterahertz switching rates for on-chip data modulation and real-time cavity quantum electrodynamics.
Original languageEnglish
Pages (from-to)161114-1-161114-3
Number of pages3
JournalApplied physics letters
Volume98
Issue number16
DOIs
Publication statusPublished - 2011

Keywords

  • IR-80650
  • METIS-281048

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