Optical and Raman spectroscopies of 171Yb3+:Y2SiO5 hyperfine structure for application toward microwave-to-optical transducer

Lim, Hee-Jin; Choi, Gahyun; Hong, KeeSuk

doi:10.1007/s40042-023-00975-8

J. Korean Phys. Soc.

2023

DOI: 10.1007/s40042-023-00975-8

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Optical and Raman spectroscopies of 171Yb3+:Y2SiO5 hyperfine structure for application toward microwave-to-optical transducer

Hee-Jin Lim,

Gahyun Choi,

KeeSuk Hong

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2024

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Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5
Chiossi,
Lafitte-Houssat,
Ferrier
et al. 2024
Phys. Rev. B
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171 Yb 3+ -doped Y 2 SiO 5 (YSO) crystals are a promising platform for optical quantum memories in longdistance quantum communications. The relevance of this material lies in 171 Yb long optical and spin coherence times, along with a large hyperfine splitting, enabling long quantum storage over large bandwidths. Mechanisms affecting the optical decoherence are, however, not precisely known, especially since low-temperature measurements have so far focused on the 2 to 4 K range. In this work, we performed two-and three-pulse photon echoes and spectral hole burning to determine optical homogeneous linewidths in two 171 Yb:YSO crystals doped at 2 and 10 ppm. Experiments were performed in the 40 mK to 18 K temperature range, leading to linewidths between 320 Hz, among the narrowest reported for rare-earth ions, and several MHz. Our results show that above ∼6 K, the homogeneous linewidth h is mainly due to an elastic two-phonon process which results in a slow broadening with temperature, with h reaching only 25 kHz at 10 K. At lower temperatures, interactions with 89 Y nuclear spin flips, paramagnetic defects or impurities, and also Yb-Yb interactions for the higher concentrated crystal are likely the main limiting factor to h . In particular, we conclude that the direct effect of a spin and optical excited state lifetime is a minor contribution to optical decoherence in the whole temperature range that is studied. Our results indicate possible paths and regimes for further decreasing homogeneous linewidths or maintaining narrow lines at higher 171 Yb concentration.

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Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5
Chiossi,
Lafitte-Houssat,
Ferrier
et al. 2024
Phys. Rev. B
0
0
0
0
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Optical and Raman spectroscopies of 171Yb3+:Y2SiO5 hyperfine structure for application toward microwave-to-optical transducer

Cited by 1 publication

References 29 publications

Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5
Chiossi,
Lafitte-Houssat,
Ferrier
et al. 2024
Phys. Rev. B
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Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5
Chiossi,
Lafitte-Houssat,
Ferrier
et al. 2024
Phys. Rev. B
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Optical and Raman spectroscopies of 171Yb3+:Y2SiO5 hyperfine structure for application toward microwave-to-optical transducer

Cited by 1 publication

References 29 publications

Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5Chiossi, Lafitte-Houssat, Ferrier et al. 2024Phys. Rev. B0000View full textAdd to dashboardCite

Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5Chiossi, Lafitte-Houssat, Ferrier et al. 2024Phys. Rev. B0000View full textAdd to dashboardCite

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Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5
Chiossi,
Lafitte-Houssat,
Ferrier
et al. 2024
Phys. Rev. B
0
0
0
0
View full text Add to dashboard Cite

Optical coherence and spin population dynamics in Yb3+171 : Y2SiO5
Chiossi,
Lafitte-Houssat,
Ferrier
et al. 2024
Phys. Rev. B
0
0
0
0
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