Phonon-mediated temperature dependence of Er3+ optical transitions in Er2O3 oleh Adam Dodson, Hongrui Wu, Anuruddh Rai, Sohm Apte, Andrew O’Hara, Benjamin Lawrie, Yongqiang Wang, Akira Ueda, Halina Krzyżanowska, Michael Titze, Jimmy Davidson, Anthony Hmelo, Agham B. Posadas, Alexander A. Demkov, Sokrates T. Pantelides, Leonard C. Feldman, Norman H. Tolk