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Multiwavelength erbium-doped fiber laser based on a polarization-dependent in-line Mach-Zehnder interferometer

机译:基于偏振相关的在线马赫曾德尔干涉仪的多波长掺fiber光纤激光器

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摘要

A multiwavelength erbium-doped fiber laser based on a polarization-dependent in-line Mach-Zehnder Interferometer (in-line MZI) is proposed and experimental demonstrated. The polarization-dependent in-line MZI demonstrated is constructed by sandwiching a length of polarization maintaining fiber (PMF) between two abrupt fiber tapers fabricated in SMF. The proposed in-line MZI can work as a cost-effective all-fiber-based polarizer. In combination with the nonlinear polarization rotation technique, stable multiwavelength laser comb with uniform wavelength spacing is achieved at room temperature. The wavelength spacing is 0.8 nm. By properly tuning the PCs, the output laser combs with double and triple channel spacing can be also obtained.
机译:提出了一种基于偏振相关的在线马赫曾德尔干涉仪(在线MZI)的多波长掺fiber光纤激光器,并进行了实验验证。所展示的与偏振有关的同轴MZI是通过在SMF中制造的两个陡峭的光纤锥度之间夹着一段偏振保持光纤(PMF)来构造的。拟议中的在线MZI可以用作具有成本效益的全光纤偏振器。结合非线性偏振旋转技术,在室温下可获得具有均匀波长间隔的稳定多波长激光梳。波长间隔是0.8nm。通过适当地调整PC,还可以获得具有双通道和三通道间距的输出激光梳。

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