Dissipative Kerr single soliton generation with extremely high probability via spectral mode depletion.

IF 4.1 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Boqing Zhang, Nuo Chen, Xinda Lu, Yuntian Chen, Xinliang Zhang, Jing Xu
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Abstract

Optical Kerr solitons generation based on microresonators is essential in nonlinear optics. Among various soliton generation processes, the single soliton generation plays a pivotal role since it ensures rigorous mode-locking on each comb line whose interval equals the free spectral range (FSR) of the microresonator. Current studies show that single soliton generation is challenging due to cavity instability. Here, we propose a new method to greatly improve single soliton generation probalility in the anomalous group velocity dispersion (GVD) regime in a micro-ring resonator based on silicon nitride. The improvement is realized by introducing mode depletion through an integrated coupled filter. It is convenient to introduce controllable single mode depletion in a micro-ring resonator by adjusting the response function of a coupled filter. We show that spectral mode depletion (SMD) can significantly boost the single soliton generation probability. The effect of SMD on the dynamics of optical Kerr solitons generation are also discussed. The proposed method offers a straightforward and simple way to facilitate robust single soliton generation, and will have an impact on the research development in optical Kerr soliton generation and on-chip optical frequency mode manipulation.

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耗散克尔单孤子产生具有极高的概率通过谱模式损耗。
基于微谐振腔的光学克尔孤子生成在非线性光学中是必不可少的。在各种孤子产生过程中,单孤子产生起着关键作用,因为它保证了每条梳线的严格锁模,其间隔等于微谐振器的自由频谱范围。目前的研究表明,由于腔的不稳定性,单孤子的产生是具有挑战性的。本文提出了一种在氮化硅基微环谐振器中大大提高异常群速度色散(GVD)区单孤子产生概率的新方法。改进是通过集成耦合滤波器引入模式损耗来实现的。通过调整耦合滤波器的响应函数,可以方便地在微环谐振器中引入可控单模耗尽。我们发现谱模式损耗(SMD)可以显著提高单孤子产生的概率。讨论了SMD对光学克尔孤子生成动力学的影响。该方法为实现单孤子的鲁棒生成提供了一种简单明了的方法,将对光学克尔孤子生成和片上光学频模操作的研究发展产生影响。
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来源期刊
Frontiers of Optoelectronics
Frontiers of Optoelectronics ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
7.80
自引率
0.00%
发文量
583
期刊介绍: Frontiers of Optoelectronics seeks to provide a multidisciplinary forum for a broad mix of peer-reviewed academic papers in order to promote rapid communication and exchange between researchers in China and abroad. It introduces and reflects significant achievements being made in the field of photonics or optoelectronics. The topics include, but are not limited to, semiconductor optoelectronics, nano-photonics, information photonics, energy photonics, ultrafast photonics, biomedical photonics, nonlinear photonics, fiber optics, laser and terahertz technology and intelligent photonics. The journal publishes reviews, research articles, letters, comments, special issues and so on. Frontiers of Optoelectronics especially encourages papers from new emerging and multidisciplinary areas, papers reflecting the international trends of research and development, and on special topics reporting progress made in the field of optoelectronics. All published papers will reflect the original thoughts of researchers and practitioners on basic theories, design and new technology in optoelectronics. Frontiers of Optoelectronics is strictly peer-reviewed and only accepts original submissions in English. It is a fully OA journal and the APCs are covered by Higher Education Press and Huazhong University of Science and Technology. ● Presents the latest developments in optoelectronics and optics ● Emphasizes the latest developments of new optoelectronic materials, devices, systems and applications ● Covers industrial photonics, information photonics, biomedical photonics, energy photonics, laser and terahertz technology, and more
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