| 片上集成克尔光频梳的波分复用光纤通信技术综述（特邀） |
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| 引用本文： | 肖滟兰,杨艳平,杨郑宇潇,胡佳豪,金丹妮,耿勇,周恒. 片上集成克尔光频梳的波分复用光纤通信技术综述（特邀）[J]. 红外与激光工程, 2022, 51(5): 20220291-1-20220291-8. DOI: 10.3788/IRLA20220291 |
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| 作者姓名： | 肖滟兰 杨艳平 杨郑宇潇 胡佳豪 金丹妮 耿勇 周恒 |
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| 作者单位： | 电子科技大学 光纤传感与通信教研部重点实验室，四川 成都 611731 |
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| 基金项目： | 国家自然科学基金(62105240, 62075159)；国家重点研发计划(2019YFB2203002) |
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| 摘 要： | 为了应对在传输容量、光谱利用率、能量效率、体积和系统复杂度方面日益增长的需求，波分复用(WDM)光纤通信系统需要比目前使用的传统激光模块更先进的激光源。由集成片上微腔产生的克尔光频梳是下一代波分复用激光源中的一个十分具有前途的方案，其优势包括宽光谱、大量的梳齿、与波分复用信道相匹配的频率间隔、高度稳定的频率、低的相位噪声、与芯片集成的兼容性以及能够低成本地批量生产。回顾了克尔光频梳的基本原理，并介绍了各种克尔光频梳器件的制造方法。此外，还讨论了克尔光频梳的特点，如高光谱纯度和能够兼容芯片集成以及其能在长距离相干传输和数据中心互连中推动波分复用光通信发展。
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| 关 键 词： | 微腔光频梳 波分复用 光纤通信 |
| 收稿时间： | 2022-04-26 |
Chip-scale Kerr optical frequency comb for wavelength-division multiplexing optical fiber communications (Invited) |
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| Affiliation: | Key Lab of Optical Fiber Sensing and Communication Networks, University of Electronic Science and Technology of China, Chengdu 611731, China |
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| Abstract: | To cope with the ever-increasing requirements on transmission capacity, spectral utilization, energy efficiency, small volume, and system simplicity, wavelength-division multiplexing (WDM) optical fiber communication systems need more advanced laser sources than those conventional laser modules used today. Kerr optical frequency comb generated in integrated on-chip micro-cavity provides a promising candidate as the next generation WDM laser source, thanks to its advantages including broadband spectrum, large number of comb lines, matched frequency interval with WDM channels, highly stable frequency, low phase noise, compatibility for chip integration, and low-cost volume production. The fundamental physics of Kerr optical frequency comb was reviewed and the fabrication methods of various Kerr optical frequency comb devices were introduced. Moreover, the unique merits of Kerr optical frequency comb were discussed, such as high spectral purity and compatibility for chip integration, which could facilitate WDM optical communication in the scenarios of long-haul coherent transmissions and data center interconnects. |
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