共 12 条
[11]
Laser Focus World, 26, 12, (1990)
[12]
Edagawa N., Yamamoto S., Taga H., Suzuki M., Wakabayshi H., Long-haul optical transmission systems using optical amplifiers and their future trends, Proc. SubOptic93, Syst. Opt. Amplif., pp. 55-60, (1993)