基于射频耦合信号驱动的单电吸收调制的宽带光频梳生成。

IF 4.1 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Frontiers of Optoelectronics Pub Date : 2022-11-14 DOI:10.1007/s12200-022-00045-0
Pan Jiang, Peili Li, Yiming Fan
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引用次数: 0

摘要

提出了基于单电吸收调制器(EAM)的宽带光频梳(OFC)生成方法。EAM由由功率分配器和算术电路组成的倍增耦合器产生的射频多频信号驱动。因此产生的OFC的梳线数量可以增加。建立了由射频源n功率驱动的EAM产生OFC的完整理论模型,并利用OptiSystem软件对OFC的性能进行了分析。结果表明,OFC的梳线数与射频源信号的乘法次数呈正相关。梳线的频率间距为射频源信号频率的两倍,并可通过调整射频源信号的频率来调节。增加EAM的啁啾因子和调制指数可以增加生成OFC的梳线数。射频源信号的幅值对OFC的平坦度和平均OFC功率影响不大。所开发的方案不仅简单、成本低,而且可以生产大量的梳线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Broadband optical frequency comb generation based on single electro-absorption modulation driven by radio frequency coupled signals.

Broadband optical frequency comb (OFC) generation based on a single electro-absorption modulator (EAM) is proposed. The EAM is driven by a radio frequency (RF) multi-frequency signal generated by a multiplication coupler composed of an electrical power splitter and an arithmetic circuit. Thus the number of comb-lines of the generated OFC can be increased. A complete theoretical model of OFC generation by an EAM driven by nth power of the RF source is established, and the performance of the OFC is analyzed by using OptiSystem software. The results show that, the number of comb-lines of the OFC is positively correlated with the number of multiplication of the RF source signal. The frequency spacing of the comb-lines is twice the frequency of the RF source signal and is tunable by adjusting the frequency of the RF source signal. Increasing chirp factor and modulation index of EAM could increase the number of comb-lines of the generated OFC. The amplitude of the RF source signal had little impact on the flatness of the OFC and the average OFC power. The scheme developed is not only simple and low-cost, but also can produce a large number of comb-lines.

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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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