Acousto-optic imaging using quantum memories in cryogenic rare earth ion doped crystals

Luke R. Taylor, Alexander Doronin, Igor Meglinski, Jevon J. Longdell

Research output: Contribution to journalConference article

Abstract

The interaction of ultrasound and light in biological tissues results in a small amount of the scattered light being shifted relative to the carrier frequency (typically 1 part in 108). We have developed an inherently efficient and low noise quantum memory based technique to selectively absorb these ultrasound tagged photons in a pair of atomic frequency combs, and recover them delayed in time as a photon echo. In this manner we have demonstrated record ultrasoundmodulated sideband-to-carrier discrimination (49dB). Further, we confirm that the technique is compatible with highly scattering samples, and present initial acoustic pulse tracking measurements. This strongly suggests the suitability of the technique for biological tissue imaging.

Original languageEnglish
Article number89431D
JournalProceedings of SPIE - International Society for Optical Engineering
Volume8943
DOIs
Publication statusPublished - 3 Mar 2014
EventPhotons Plus Ultrasound: Imaging and Sensing 2014 - San Francisco, CA, United States
Duration: 2 Feb 20145 Feb 2014

Bibliographical note

Copyright 2014 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Keywords

  • Acousto-optic imaging
  • Atomic frequency comb
  • Cryogenic rare-earth ions
  • Optical detection of ultrasound
  • Quantum memory
  • Ultrasound-modulated optical tomography

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