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光学频率梳非线性传输及其在相位噪声探测中的应用
引用本文:龚梓博,陆星,施可彬,龚旗煌.光学频率梳非线性传输及其在相位噪声探测中的应用[J].中国光学,2015,8(1):39-44.
作者姓名:龚梓博  陆星  施可彬  龚旗煌
作者单位:1. 北京大学 物理系 人工微结构和介观物理国家重点实验室, 北京 100871; 2. 量子物质科学协同创新中心, 北京 100871
基金项目:国家自然科学基金资助项目(No.61322509);北京大学“未名物理学子班”资助项目;北京大学“本科生科研训练”校长基金资助项目
摘    要:光纤传递链路中相位噪声探测是基于光纤的精确射频标准传递系统中重要组成部分。为解决光纤链路相位噪声探测中节点反射干扰的问题, 本文基于广义非线性薛定谔方程, 理论上研究了窄带光学频率梳在色散位移光纤中的非线性光学传播特性。在理论分析的基础上, 结合密集波分复用架构, 提出了一种基于锁模光学频率梳进行光纤传递射频信号的相位噪声探测新技术, 克服了节点反射干扰, 给出了初步实验验证。

关 键 词:光学频率梳  四波混频  波分复用  相位噪声探测
收稿时间:2014/10/16

Nonlinear propagation of optical frequency comb and its application in phase noise detection
GONG Zi-bo , LU Xing , SHI Ke-bin , GONG Qi-huang.Nonlinear propagation of optical frequency comb and its application in phase noise detection[J].Chinese Optics,2015,8(1):39-44.
Authors:GONG Zi-bo  LU Xing  SHI Ke-bin  GONG Qi-huang
Institution:1. State Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China; 2. Collaborative Innovation Center of Quantum Matter, Beijing 100871, China
Abstract:Precisely detecting phase noise in the optical fiber is one of the core techniques for high resolution microwave dissemination based on optical fiber link. In order to solve the problem that unwanted reflections from fiber interconnectors greatly reduce the accuracy of phase noise detection, we propose and demonstrate a spectrally shifted optical feedback scheme integrated with wavelength division multiplexing technique for precise phase detection based on nonlinear propagation of narrow band optical frequency comb in dispersion shifted fiber. Theoretical and preliminary experimental results show that the proposed approach efficiently suppresses the reflection noise.
Keywords:optical frequency comb  four wave mixing  wavelength division multiplexing  phase noise detection
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