Thank you for contacting Lumerical support. Before proceeding, please note that this is a public forum and anything you post will be visible to the general public. For users residing in the United States, please ensure that the files and information contained within your posts are not International Traffic in Arms Regulations (ITAR) or export controlled.
To help us solve your issue as quickly as possible, please provide the following information:
1. What device are you trying to simulate? Include diagrams if available.
I want to simulate the band structure of a semiconductor superlattice.
2. What results are you trying to obtain? Be as specific as possible.
Band structure under an applied voltage.
3. Description of the problem or issue.
No electrical material properties are defined for domain 1, but I select the background material as Air.
4. Lumerical product and software version.
5. Please attach your simulation files, including any logs.
the simulation file is too big to be uploaded (17M)