Experimental demonstration of data erasure for time-domain optical memories

T.R. Dyke, M. J. Sellars, G. J. Pryde, N. B. Manson, U. Elman, Stefan Kröll

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Abstract

Data erasure is considered an essential requirement for a practical optical time-domain memory, and it requires that the laser used have very good frequency stability. Such a laser is developed for this work, and data erasure is demonstrated with a sample of YSiO5:Eu3+ for write/rewrite pulse sequences of up to a duration of 100 μs. This is two orders of magnitude longer than had been achieved previously. Phase-sensitive detection is introduced and is shown to be invaluable for monitoring the write, rewrite, and read processes.
Original languageEnglish
Pages (from-to)805-811
JournalOptical Society of America. Journal B: Optical Physics
Volume16
Issue number5
Publication statusPublished - 1999

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

Free keywords

  • LEVEL
  • SPECTROSCOPY
  • RELAXATION
  • DENSITY
  • SHIFTS
  • LASER PHASE
  • SPECTRAL DIFFUSION
  • FREQUENCY STABILIZATION
  • DATA-STORAGE
  • PHOTON-ECHO EXPERIMENTS

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