Low power all-optical polarisation gate switch in a passive InGaAsP MQW waveguide at 1.53 μm

I. E. Day, P. A. Snow, Z. Jiang, R. V. Penty, I. H. White, D. A.O. Davies, M. A. Fisher, M. J. Adams

Research output: Contribution to journalArticle


Optimised design of an InGaAsP multiquantum well waveguide has allowed the demonstration of all-optical switching of a 30ps pulse with coupled peak powers of 350mW. This is achieved at 1.53 μm using resonant bandfilling and plasma effect refractive nonlinearities.

Original languageEnglish
Pages (from-to)1050-1051
Number of pages2
JournalElectronics Letters
Issue number13
Publication statusPublished - 23 Jun 1994


  • Light polarisation
  • Optical waveguides
  • Photonic switching

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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