光频梳的硅基集成及应用基础研究

项目名称： 光频梳的硅基集成及应用基础研究

项目编号： No.61335002

项目类型： 重点项目

立项/批准年度： 2014

项目学科： 无线电电子学、电信技术

项目作者： 夏金松

作者单位： 华中科技大学

项目金额： 280万元

中文摘要： 光通信、电子对抗等军民应用需求正在促使光频与射频积极融合。光和射频信号处理发展的新趋势是光信号处理的精细化、射频信号处理的宽带化，这是当前的技术难点。而光频梳能高相干的连接光频和射频，采用光频梳技术将能解决这一难题。因此，项目将重点研究：（1）硅基slot微环与高非线性材料混合集成的光频梳器件及其硅基集成技术；（2）微环内级联四波混频的高效产生机制；（3）微环的色散管理方法；（4）通过新泵浦方式提升光频梳相干性的机理（5）基于光频梳的射频光频融合的信号处理。项目将研制出覆盖C波段的高相干硅基集成光频梳，建立对应的射频光频融合的信号处理模型，利用宽带且相干的光频率梳、有效融合光子的宽带优势和电子的精细处理优势，探索其在未来光通信和电子对抗等重要领域的应用，并最终演示光频梳在超宽带射频感知与接收和super-channel信号产生中的应用。

中文关键词： 光频梳;硅基集成;微环谐振腔;四波混频;光信号处理

英文摘要： The convergence of optical and radio frequency is required by the rapid development of optical communication system and electronic countermeasure. The new trend of processing of optical and radio frequencies is high precision for optical frequency and wideband for radio frequencies. However, it is difficult to obtain such high precision and wideband in converged optical and radio frequency processing. Optical frequency comb (OFC) is an ideal solution for this difficulty due to its ability to link optical and radio frequency coherently. Therefore, this project will focus on the following topics: (1) OFC based on hybrid integration of Si-slot-microring and materials with high nonlinearity; (2) the mechanism for efficient cascaded four-wave mixing in microring resonator; (3) the management of dispersion in microring resonator; (4) novel pumping mechanism for high coherent microring-based OFC; (5) converged signal processing for optical and radio frequency based on OFC. Si-based integrated OFC covering the C-band will be carried out in this project. The model for converged signal precessing for optical and radio frequency will be figured out. Novel applications of OFC in optical communication system and electronic countermeasure will be studied. Finally, this project will prove the application of OFC in the wideband perception and reception of radio frequencies and signal generation for super-channel in optical communication.

英文关键词： optical frequency comb;Si-based integration;microring resonator;four-wave mixing;optical signal processing