SOI体系,最下面是Silica,上面是Si,有一个450 nm波导在右边连接,考虑到实际耦合器都是有限尺寸,于是把Si片的尺寸限制在了FDTD仿真区域内,FDTD仿真xOy平面大小为20μm×20μm,设置了Si尺寸为16μm×16μm: 但是怎么调都是不收敛,看auto shutoff level是先降到1e-5的量级,然后开始暴增,最后发散。反复检查了...
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I am simulating a periodic structure with a unit cell consisting of a single dielectric resonator and a single substrate. The excitation source is a normal incident plane wave. I would like the simulation to reach autoshutoff level = 1e-7, but each time it reaches to around 1e-6, it w...
Subscriber I am a beginner in Lumerical and I have got a diverging issue After seconds of running simulation, the auto-shutoff level will increase dramatically and it will display: Warning! The simulation that created the data in the monitors and sources below diverged, and the data is likely...
Hello,I am working on the model verification, but the 3D FDTD results will not converge at the end of the simulation. I have tried finer meshing and longer simulation time, but none of them worked out. Besides, it seems that the autoshutoff level starts
The issue I keep running into is non-convergence to the auto-shutoff level (currently 10^-6). Any other non-polarized sources reach the auto-shutoff quickly (< 2 hrs). I have attached an image of the workspace to give a better idea, but please let me know if there is any other ...