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首页> 外文期刊>Optics Letters >Actively mode-locked fiber ring laser by intermodal acousto-optic modulation
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Actively mode-locked fiber ring laser by intermodal acousto-optic modulation

机译:模态声光调制的主动锁模光纤环形激光器

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摘要

We report an actively mode-locked fiber ring laser. A simple and low-insertion-loss acousto-optic modulator driven by standing flexural waves, which couples core-to-cladding modes in a standard single-mode optical fiber, is used as an active mechanism for mode locking. Among the remarkable features of the modulator, we mention its high modulation depth (72percent), broad bandwidth (187 GHz), easy tunability in the optical wavelength, and low insertion losses (0.7 dB). The narrowest optical pulses obtained were of 95 ps time width, 21 mW peak power, repetition rate of 4.758 MHz, and 110 mW of pump power.
机译:我们报告了一种主动锁模光纤环形激光器。由驻波弯曲波驱动的简单且低插入损耗的声光调制器用作标准锁模的有源机制,该调制器在标准单模光纤中耦合了纤芯到包层模。在调制器的显着特征中,我们提到了调制器的高调制深度(72%),宽带宽(187 GHz),光波长容易调谐和低插入损耗(0.7 dB)。获得的最窄光脉冲为95 ps的时间宽度,21 mW的峰值功率,4.758 MHz的重复频率和110 mW的泵浦功率。

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