首页> 外文期刊>Optics Letters >Stable multigigahertz pulse-train formation in a short-cavity passively harmonic mode-locked erbium/ytterbium fiber laser
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Stable multigigahertz pulse-train formation in a short-cavity passively harmonic mode-locked erbium/ytterbium fiber laser

机译:短腔被动谐波锁模/ y光纤激光器中稳定的千兆赫兹脉冲序列形成

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We demonstrate a short-cavity erbium-ytterbium fiber laser that is passively mode locked by a saturable Bragg reflector with a fundamental repetition rate of 235 MHz. The laser operates in the soliton regime and under passive harmonic mode locking with 11 pulses in the cavity and produces output pulse trains at 2.6 GHz with transform-limited 270-fs pulses and 1.6 mW of average power. Within the cavity the multiple pulses form a stable pattern with fixed, nearly equal pulse-to-pulse temporal spacings, causing the output pulse train to have timing offsets of less than 15 ps. A slow gain-recovery model is proposed to explain the pulse-train self-organization. (C) 1998 Optical Society of America. [References: 18]
机译:我们演示了一种短腔掺-光纤激光器,该激光器由可饱和的布拉格反射器以235 MHz的基本重复频率进行被动锁模。激光器在孤子状态下工作,并在谐振腔中以11个脉冲锁定在无源谐波模式下,并产生2.6 GHz的输出脉冲序列,并具有受变换限制的270fs脉冲和1.6 mW的平均功率。在腔内,多个脉冲形成具有固定的,几乎相等的脉冲间时间间隔的稳定模式,从而导致输出脉冲序列的时序偏移小于15 ps。提出了一种慢增益恢复模型来解释脉冲序列的自组织。 (C)1998年美国眼镜学会。 [参考:18]

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