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

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

doi:10.1117/12.2038775

3 March 2014 Acousto-optic imaging using quantum memories in cryogenic rare earth ion doped crystals

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

Proceedings Volume 8943, Photons Plus Ultrasound: Imaging and Sensing 2014; 89431D (2014) https://doi.org/10.1117/12.2038775
Event: SPIE BiOS, 2014, San Francisco, California, United States

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.

Citation Download Citation

Luke R. Taylor, Alexander Doronin, Igor Meglinski, and Jevon J. Longdell "Acousto-optic imaging using quantum memories in cryogenic rare earth ion doped crystals", Proc. SPIE 8943, Photons Plus Ultrasound: Imaging and Sensing 2014, 89431D (3 March 2014); https://doi.org/10.1117/12.2038775

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