Beyond T^4 behaviour of spectral hole frequencies in Eu:YSO at dilution temperatures
Bess Fang
(1)
,
Xiuji Lin
(1)
,
Michael Hartman
(1)
,
Benjamin Pointard
(2)
,
Rodolphe Le Targat
(1)
,
Alban Ferrier
(3)
,
Philippe Goldner
(3)
,
Signe Seidelin
(4)
,
Yann Le Coq
(1)