高非线性谐振腔锁模掺铒环形激光器中超短多界孤子的可控产生

D. Dvoretskiy, S. Sazonkin, I. O. Orekhov, I. Kudelin, A. Pnev, V. Karasik, L. K. Denisov
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引用次数: 0

摘要

锁模(ML)超短脉冲(USP)光纤激光器由于在激光谐振腔中存在高值的群速度色散和三阶色散的复杂非线性动力学,可以被视为扩展未来应用的理想平台。到目前为止,人们已经研究了一系列新的机器学习机制,如自相似脉冲、类噪声脉冲、多界孤子和孤子雨的产生。多界孤子(MBS)的生成机制,也被称为孤子分子,在许多领域有着广泛的应用。例如,由于编码字母扩展,对MBS一代的研究对于增加电信数据传输容量非常有吸引力。MBS的编码概念建议使用两个以上符号的数据流(2·N个符号,其中N为生成的处于束缚状态的孤子数)[1]。此外,最近的研究表明,使用超快脉冲爆发可以提高医疗应用中激光消融的质量[2]。此外,MB S的产生也可以用于相干脉冲叠加放大方案,提高了放大效率,并以高重复率形成了高能孤子[3]。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Controllable Generation of Ultrashort Multi-Bound Solitons in a Mode-Locked Erbium-Doped Ring Laser with a Highly-Nonlinear Resonator
Mode-locked (ML) ultrashort pulse (USP) fiber lasers can be treated as an ideal platform to expand future applications due to a complex nonlinear dynamics with a presence of a high value of a group velocity dispersion and a third-order dispersion in the laser resonator. Up to now a series of novel ML regimes have been investigated e.g. self-similar pulses, noise-like pulses, multi-bound solitons, and a soliton rain generation. Multi-bound solitons (MBS) generation regime, also known as soliton molecules, is of considerable interest in various fields of applications. For example, the investigation of a MBS generation is very attractive for increasing the data transfer capacity in telecommunications due to coding alphabet extension. The coding concept of MBS suggests a data stream using more than two symbols (2·N symbols, where N is the number of generated solitons in a bound state) [1]. And also, recent research shows that using ultrafast bursts of pulses can improve the quality of laser ablation for medical applications [2]. Moreover, MB S generation can be also used in a coherent pulse staking amplification scheme increasing an amplification efficiency along with a formation of high-energy solitons at a high-repetition-rate [3].
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