基于多模光纤的随机拉曼光纤激光器窄模的产生

IF 2.1 4区 物理与天体物理 Q2 OPTICS Photonics Pub Date : 2023-12-19 DOI:10.3390/photonics11010002
I. Vatnik, Oleg A. Gorbunov, Dmitry V. Churkin
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引用次数: 0

摘要

我们介绍了一种新设计的随机拉曼光纤激光器,它以分级索引多模光纤作为构成腔体的介质,可产生窄光谱线。我们利用光异调技术,将多模辐射投射到标准单模光纤的基模上,从而进行了光谱测量。测量结果证实了局部超窄短寿命模式的存在。我们测量了这些模式的功率,发现与基于单模光纤的随机拉曼激光器的功率(小于 2 mW)相比,这些模式的功率明显更高(高达 25 mW),同时还保持了相同的典型寿命(几毫秒)。
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Generation of Narrow Modes in Random Raman Fiber Laser Based on Multimode Fiber
We present a new design of a random Raman fiber laser based on a graded-index multimode fiber as the media composing the cavity that allows the generation of narrow spectral lines. We carried out spectral measurements using an optical heterodyning technique by projecting multimode radiation onto the fundamental mode of a standard single-mode fiber. The measurements confirmed the presence of localized ultra-narrow short-lived modes. We measured the powers of the modes and found it to be significantly higher (up to 25 mW) compared with those in a random Raman laser based on a single-mode fiber (<2 mW), while preserving the same typical lifetimes of a few milliseconds.
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来源期刊
Photonics
Photonics Physics and Astronomy-Instrumentation
CiteScore
2.60
自引率
20.80%
发文量
817
审稿时长
8 weeks
期刊介绍: Photonics (ISSN 2304-6732) aims at a fast turn around time for peer-reviewing manuscripts and producing accepted articles. The online-only and open access nature of the journal will allow for a speedy and wide circulation of your research as well as review articles. We aim at establishing Photonics as a leading venue for publishing high impact fundamental research but also applications of optics and photonics. The journal particularly welcomes both theoretical (simulation) and experimental research. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation and experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.
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