Harmonic Analysis using Time-domain Simulation of Sinusoidally Time-varying Materials

被引：1
|
作者：
Mock, Adam [1 ]
机构：
[1] Cent Michigan Univ, Sch Engn & Technol, Mt Pleasant, MI 48859 USA
来源：
2021 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM (ACES) | 2021年
关键词：
Computational electromagnetics; electromagnetic (EM) theory; finite-difference time-domain (FDTD); microwave optical design; numerical techniques; photonics; time-domain analysis;
D O I：
10.1109/ACES53325.2021.00179
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
It is shown how spectra of any harmonic order may be obtained from time-domain simulation of devices involving sinusoidal modulation of the constituent materials. The technique involves conducting multiple simulations in which the global phase of the modulating signals is progressively incremented. The ensuing simulation results are linearly combined to extract the harmonic order of interest. The technique is demonstrated via finite-different time-domain analysis of a space-time modulated surface which shows good agreement with theoretical calculations.
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页数：4
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