Polarization switching and induced birefringence in InGaAsP multiple quantum wells at 1.5 mu m

D Marshall, M Mazilu, A Miller, C C Button

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18 Citations (Scopus)
156 Downloads (Pure)

Abstract

We analyze the 1.5mum wavelength operation of a room temperature polarization switch based on electron spin dynamics in InGaAsP multiple quantum wells. An unexpected difference in response for left and right circularly polarized pump light in pump-probe measurements was discovered and determined to be caused by an excess carrier induced birefringence. Transient polarization rotation and ellipticity were measured as a function of time delay. (C) 2002 American Institute of Physics.

Original languageEnglish
Pages (from-to)4090-4094
Number of pages5
JournalJournal of Applied Physics
Volume91
Issue number7
DOIs
Publication statusPublished - 1 Apr 2002

Keywords

  • SPIN-RELAXATION
  • ROOM-TEMPERATURE
  • ELECTRON-SPIN
  • COHERENCE
  • ETALON

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