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

机译：波长间隔可调的双波长布里渊in光纤激光器

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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：提出了一种新型的波长间隔可调双波长布里渊rill光纤激光器，并进行了实验验证。通过使用4 m高非线性光纤（HNLF）作为布里渊增益介质，将掺-光纤激光器（EDFL）和一阶布里渊激光器组合在一起，实现了双波长激射。通过调整可调谐激光源（TLS）和980 nm泵浦的输出功率，研究了EDFL和一阶布里渊激光器的演化功率谱。通过在100分钟内测得的波长变化<= 0.01 nm和功率波动<= 1.6 dB，实验验证了单波长和双波长操作的高稳定性。借助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传感和微波光子学领域找到潜在的应用。

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