2D Transverse Input amplitude mismatch

[Shubham HorhParticipant]

Hi Sir,
I am giving Input Field amplitude of 0.1589 but my Input Field amplitude when checked in observation line which is kept at Input Plane is 0.0124216. Why I am getting this difference?

Attachments:

1. doubt.docx

[Shubham HorhParticipant]

I have attached my OptiFDTD Designer and OptiFDTD Analyzer file. Please check it.

[Damian MarekParticipant]

The number of time steps is most likely not large enough for the optical signal to reach the detector. Place an Observation Point at the same distance and view the time domain signal. The gaussian pulse should be completely recorded, if not increase the number of time steps in the simulation settings to allow the simulation to run longer.

Damian

[Shubham HorhParticipant]

Sir,

With the help of observation point, i verified my gaussian pulse have crossed the end of waveguide as shown below.
Also I have checked by increasing time steps. Still the mismatch is observed.

Shubham

Attachments:

1. 

   image.png
   

[Shubham HorhParticipant]

Sir,

Below shown is my input pulse when my observation line coincide with Input Plane Source. As this is sine modulated gaussian pulse, it varies with time. Is the observation line showing instantaneous amplitude or maximum amplitude? If it is showing instantaneous amplitude is there any way to see maximum amplitude?

Shubham

Attachments:

1. 

   image-2.png