材料科学
光纤激光器
光学
激光阈值
激光器
光电子学
保偏光纤
色散位移光纤
可调谐激光器
纵向模式
节拍(声学)
光纤布拉格光栅
铒
波长
光纤
光纤传感器
兴奋剂
物理
作者
Ryun Kyung Kim,Suho Chu,Young‐Geun Han
标识
DOI:10.1109/lpt.2012.2182763
摘要
A stably and widely tunable single-longitudinal-mode dual-wavelength erbium-doped fiber (EDF) laser is investigated for the generation of a tunable optical beat frequency. The lasing wavelength spacing is widely controlled in a range from 3.46 to 13.2 nm, which means that the tunable optical beat frequency in a range from 0.43 to 1.66 THz can be achieved. Nonlinear polarization rotation effect is implemented to stabilize and equalize outputs of the tunable dual-wavelength EDF laser. Since the dual-wavelength fiber laser has a single-longitudinal mode, the proposed dual-wavelength fiber laser is stable.
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