Investigation of Unsaturable Absorption and Excited State Absorption on Bi/ Er Co-doped Fibers
1992 ◽
Vol 75
(4)
◽
pp. 37-42
1992 ◽
Vol 31
(Part 1, No. 5B)
◽
pp. 1647-1651
2014 ◽
Vol 154
◽
pp. 553-558
◽