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- Nonresonant background suppression for Raman enhanced nondegenerate four wave mixing[J]. 引用该论文 费浩生;张云;韩力;赵峰;魏振乾.
- Temporal Asymmetric Characteristics of Rayleigh-Enhanced Nondegenerate Four Wave Mixing[J]. 引用该论文 时坚;马瑞琼;苗润才;张彦鹏.
- The optical fiber parametric amplifier (FOPA) is one kind based on four wave mixing new light amplifier. 内容如下：光纤参量放大器（FOPA）是一种基于四波混频的新型光放大器。
- The third order nonlinear optical property of PMOCOPV was studied by degenerate four wave mixing(DFWM). 采用简并四波混频(DFWM)方法研究了PMOCOPV的三阶非线性光学性质。
- Then uses four wave mixing power coupling equation, conducts the value simulation research to DSF+SMF cascade structure double pump FOPA. 然后利用四波混频功率耦合方程，对DSF+SMF级联结构双泵浦FOPA进行数值仿真研究。
- Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity. 采用四波混频加强SBS的方法，其相干拍频驱动声子场，能提高SBS相位共轭保真度。
- A detail study was made on the phase conjugate process in the near degenerate four wave mixing in a nonlinear medium based on solving of the coupled wave equations. 从求解耦合波方程出发，详细研究了非线性光学介质中由近简并四波混频所产生的相位共轭过程。
- The analytical solutions for the stead state equations of four wave mixing with an arbitrary complex coupling constant are given without the undepleted pump approximation. 在无泵浦非耗竭近似下，给出了复耦合系数为任意值时稳态四波混频耦合波方程组的解析解。
- We demonstrate electrical and optical controls of fast light using the coherent population oscillation (CPO) and four wave mixing (FWM) in the gain regime of QW SOAs. 在量子阱半导体光放大器的增益管理中，应用相干布居振荡和四波混频技术，我们证明了慢(快)光的电子和光学控制。
- Various wavelength conversion (WC) techniques are introduced, and two are chosen to be used in all optical transparent networks. These are four wave mixing (FWM) and difference frequency generation (DFG). 该文首先简单介绍各种波长变换技术;对比它们的优缺点;选出两种能用于未来全光透明网络中的波长变换技术:四波混频波长变换技术和差频波长变换技术.
- All-optical wavelength conversion (AOWC) is mainly implemented by using four nonlinear effects: cross gain modulation (XGM), cross phase modulation (XPM), four wave mixing (FWM), and difference frequency generation (DFG). 实现全光波长转换主要利用四种非线性效应 :交叉增益调制 (XGM)、交叉相位调制 (XPM)、四波混频 (FWM)和差频 (DFG)效应。
- Firstly, auditory-related brain potential was a large negative wave form, which could include four waves, respectively as P60, N160, P200, and N240.Secondly, there is a significantly left-right hemispheric difference in processing pure tone. 1.;听觉ERP波形为头皮前部一个大的负波;又可表述为四个相对独立的成分P60;N160;P200和N240; 2
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
