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Double-side polished fiber for generation of mode-locked fiber lasers
Optics Communications ( IF 2.2 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.optcom.2020.126476
H. Ahmad , A.S. Sharbirin , M.M. Ariannejad

Abstract A double-side polished fiber (DSPF) is fabricated for the passive generation of mode-locked pulses in an optical fiber ring cavity. The DSPF is made using a modified wheel polishing technique and coated with a cobalt oxide (Co3O4) solution as a saturable absorber (SA) to induce mode-locked operation by evanescent field interaction. The laser uses a thulium-holmium-doped fiber (THDF) for lasing in the two-micron region, with a mode-locked output having a pulse width of 1.44 ps. The repetition rate of the pulses is 11.8 MHz with a relatively high optical-signal-to-noise ratio value of 56 dB. This work demonstrates the fabrication method of the DSPF that would have potential applications as a SA for generating high power ultrafast lasers.

中文翻译:

用于生成锁模光纤激光器的双面抛光光纤

摘要 制作了一种双面抛光光纤(DSPF),用于在光纤环形腔中被动产生锁模脉冲。DSPF 使用改进的轮抛光技术制成,并涂有氧化钴 (Co3O4) 溶液作为可饱和吸收剂 (SA),以通过渐逝场相互作用引起锁模操作。该激光器使用掺铥钬光纤 (THDF) 在两微米区域发射激光,锁模输出的脉冲宽度为 1.44 ps。脉冲的重复率为 11.8 MHz,具有 56 dB 的相对较高的光信噪比值。这项工作展示了 DSPF 的制造方法,该方法具有作为 SA 产生高功率超快激光器的潜在应用。
更新日期:2021-01-01
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