We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.

Ansys Learning Forum › Forums › Discuss Simulation › Optics › reflectivity of VCSEL with semiconductor DBR › Reply To: reflectivity of VCSEL with semiconductor DBR

November 24, 2023 at 4:19 pm
Xinyu Liu
Subscriber

Hi

Before, the simulation time for FDTD was 3000 fs and actually I thought it was already enough. Then I tried 30000 fs and the reflection is still over 1. Do you think I need to increase it more?