掺铒光纤激光器的偏振域和自锁模脉冲

IF 3.3 2区物理与天体物理 Q2 OPTICS

Chinese Optics Letters Pub Date : 2023-01-01 DOI:10.3788/col202321.031402

Peiyun Cheng, Mengmeng Han, Yueqing Du, Xuewen Shu

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引用次数: 2

摘要

在不加锁模器件的130 m长的掺铒光纤激光器中，我们观察到了不同的极化域和巨大的自锁模脉冲。通过调整腔内偏振控制器，研究了随腔双折射变化的偏振域演化过程。当双折射接近于零时，极化域分裂成多域，最终首次形成巨大的自锁模脉冲。分析了自锁模脉冲的产生与长光纤腔中正交偏振光分量之间的强相干交叉耦合所产生的多子域有关。

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Polarization domains and self-mode-locked pulses in an erbium-doped fiber laser

We have observed various polarization domains and a giant self-mode-locked pulse in a 130 m long erbium-doped fiber laser without any mode-locking devices. By adjusting the intracavity polarization controller, we investigated the evolution process of the polarization domain with the varying cavity birefringence. When the birefringence was close to zero, the polarization domains split into multidomains, and finally a giant self-mode-locked pulse formed for the first time. We analyzed that the generation of the self-mode-locked pulse was related to the multiple subdomains ascribed to the strong coherent cross coupling between the orthogonal polarization light components in the long fiber cavity.

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来源期刊

Chinese Optics Letters 物理-光学

CiteScore

5.60

自引率

20.00%

发文量

180

审稿时长

2.3 months

期刊介绍： Chinese Optics Letters (COL) is an international journal aimed at the rapid dissemination of latest, important discoveries and inventions in all branches of optical science and technology. It is considered to be one of the most important journals in optics in China. It is collected by The Optical Society (OSA) Publishing Digital Library and also indexed by Science Citation Index (SCI), Engineering Index (EI), etc. COL is distinguished by its short review period (~30 days) and publication period (~100 days). With its debut in January 2003, COL is published monthly by Chinese Laser Press, and distributed by OSA outside of Chinese Mainland.