Characteristics of microwave magneto-optic modulation based on magnetostatic waves
Characteristics of microwave magneto-optic modulation based on magnetostatic waves
复制标题
基于静磁波的微波磁光调制特性
DOI：
10.1016/j.optcom.2009.01.012
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发表时间：
2009-05
影响因子：
2.4
通讯作者：
Qiu, Kun
中科院分区：
文献类型：
--
作者：
Luo, Cheng-You;Wu, Bao-Jian;Qiu, Kun
根据磁光微扰理论，建立了磁光薄膜波导中导光波与微波静磁波的耦合模方程，该方程不仅可以用来分析微波静磁波脉冲引起的磁光调制，而且可以解释微波静磁波对光脉冲的压缩。从理论上详细研究了在正常偏置磁场作用下，静磁正向体波对连续导光波的矩形脉冲调制。结果表明：(1)衍射光脉冲近似为等腰梯形，这与实验结果一致，其持续时间和平顶响应时间分别等于矩形MSFVW脉冲的宽度和渡越时间之和和差；(2)利用MSFVW脉冲的小占空比有助于提高调制数据率，这与渡越时间成反比，当MSW占空比小于0.5时，衍射光脉冲的相对峰值强度小于相应的布拉格衍射效率。
According to the magneto-optic (MO) perturbation theory, the coupled-mode equations for guided optical waves (GOWs) with microwave magneto-static waves (MSWs) in MO film waveguides are presented, which cannot only be used to analyze the MO modulation induced by MSW pulses, but also explain the optical pulse compression caused by chirped MSWs. The rectangular pulse modulation of continuous guided optical waves by magnetostatic forward volume waves (MSFVWs) excited under normal bias magnetic field is theoretically studied in detail. It is shown that: (1) the diffracted light pulse approximates to an isosceles trapezoid, which is in agreement with the experimental results, and the duration time and the flat-top response time are equal to the sum and difference between the width and transit time of the rectangular MSFVW pulse, respectively; (2) utilizing a small duty factor of MSFVW pulse helps to improve the modulating data rate, which is in inverse proportion to the transit time, and the relative peak intensity of the diffracted light pulse is less than the corresponding Bragg diffraction efficiency when the MSW duty factor is less than 0.5.
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DOI：
10.1109/5.503142
发表时间：
1996-06
期刊：
Proc. IEEE
影响因子：
--
作者：
C. S. Tsai
通讯作者：
C. S. Tsai
影响因子：
3.5
作者：
W. Bao-jian;G. Xiang
通讯作者：
W. Bao-jian;G. Xiang
影响因子：
4
作者：
D. Young;C. S. Tsai
通讯作者：
D. Young;C. S. Tsai
影响因子：
2.7
作者：
Nikitov, SA
通讯作者：
Nikitov, SA
影响因子：
4.3
作者：
C. Tsai;D. Young
通讯作者：
C. Tsai;D. Young