Thermally induced threefold upconversion emission enhancement in nonresonant excited Er3+/Yb3+-codoped chalcogenide glass
2011 ◽
Vol 284
(7)
◽
pp. 2046-2049
◽
Keyword(s):
2014 ◽
Vol 118
(31)
◽
pp. 17992-17999
◽
Keyword(s):