Deep and persistent spectral holes in Tm-doped yttrium orthosilicate for imaging applications

With their optical wavelength in the near infrared (790-800nm) and their unique spectroscopic properties at cryogenic temperatures, thulium-doped crystals are at the center of many architectures linked to classical signal processing and quantum information. In this work, we focus on Tm-doped YSO, a...

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Bibliographic Details
Published in:arXiv.org 2019-02
Main Authors: Venet, Caroline, Car, Benjamin, Veissier, Lucile, Ramaz, François, Louchet-Chauvet, Anne
Format: Article
Language:English
Subjects:
Broadband
Cryogenic temperature
Domains
Doped crystals
Garnets
Hole burning
Medical imaging
Optical properties
Quantum phenomena
Radio frequency
Signal processing
Spectra
Thulium
Yttrium
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Summary:With their optical wavelength in the near infrared (790-800nm) and their unique spectroscopic properties at cryogenic temperatures, thulium-doped crystals are at the center of many architectures linked to classical signal processing and quantum information. In this work, we focus on Tm-doped YSO, a compound that was left aside in the mid-1990s due to its rather short optical coherence lifetime. By means of time-resolved hole-burning spectroscopy, we investigate the anisotropic enhanced nuclear Zeeman effect and demonstrate deep, sub-MHz, persistent spectral hole burning under specific magnetic field orientation and magnitude. By estimating the experimental parameters corresponding to a real-scale ultrasound optical tomography setup using Tm:YSO as a spectral filter, we validate Tm:YSO as a promising compound for medical imaging in the human body.
ISSN:2331-8422
DOI:10.48550/arxiv.1812.10369