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已制成 2 0 0 m W,980 nm抽运掺铒光纤放大器的激光器模件。将二极管激光器与单模光纤连接 (不用环氧树脂或低温焊料 ) ,使其适于海底和陆上通信系统。梯度折射率分离约束异质结构激光器在 Al Ga As包层内包含一个 In Ga As单量子阱。用湿化学刻蚀将脊形波导结构与杆内接 ,杆被
A laser module has been fabricated with a 200-nm, 980-nm pump erbium-doped fiber amplifier. Diode lasers are connected to single mode fiber (no epoxy or low temperature solder) to make them suitable for subsea and landline communications systems. Gradient index separation confinement heterostructured lasers contain an In GaAs single quantum well in the Al GaAs cladding. The ridge waveguide structure is inscribed with the rod by wet chemical etching and the rod is