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Dual-wavelength Brillouin-erbium fiber laser with tunable wavelength spacing

机译：双波长布里渊 - 铒光纤激光器，可调谐波长间距

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摘要

A novel wavelength-spacing tunable dual-wavelength Brillouin-erbium fiber laser is proposed and demonstrated experimentally. The dual-wavelength lasing is achieved by combining the erbium-doped fiber laser (EDFL) and the first-order Brillouin laser using a 4 m high nonlinear fiber (HNLF) as Brillouin gain medium. The evolutionary power spectrum of the EDFL and the first-order Brillouin laser are investigated through adjusting the output power of tunable laser source (TLS) and 980 nm pump. The high stability of the single-and dual-wavelength operation are experimentally verified by the measured wavelength variation of = 0.01 nm and power fluctuation of = 1.6 dB within 100 min. With the good tunability of the TLS, the wavelength spacing of a dual-wavelength operation could be achieved in the pass band of the FBG. The fiber laser will find potential applications in fiber sensing and microwave photonics areas.
机译：提出了一种新颖的波长间距可调双波长布里渊 - 铒光纤激光器，并实验证明。通过将铒掺杂光纤激光器（EDFL）和一阶Brillouin激光器组合使用4M高非线性纤维（HNLF）作为布里渊增益介质来实现双波长激光。通过调节可调激光源（TLS）和980nm泵的输出功率来研究EDFL和一阶布里渊激光的进化功率谱。通过在100分钟内测得的波长变化和100分钟内<= 1.6dB的功率波动的测量波长变化进行实验验证单和双波长操作的高稳定性。利用TLS的良好可调性，可以在FBG的通带中实现双波长操作的波长间隔。光纤激光器将在光纤感测和微波光子区域中找到潜在的应用。

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