Rifat Nazneen

6 Questions 12 Answers 0 Followers

Questions related from Rifat Nazneen

How to get stress from PZT layer to Silicon nitride waveguide in COMSOL?

Hello Everyone, I am simulating a PZT actuator on a Silicon Nitride waveguide to observe stress distribution in the whole structure, including the waveguide. I am using COMSOL Multiphysics for...

16 November 2022 5,678 2 View

How to obtain nonlinear refractive index (n2) for Silicon nitride theoretically?

Hi everyone, I am trying to simulate a nonlinear silicon nitride waveguide in FDTD. But it requires nonlinear refractive index (n2) value to provide in material. Though I know it's a intensity...

08 April 2021 8,482 4 View

Why FDTD simulation has reached autoshutoff threshold without completing simulation time?

Hi everyone, I am simulating a ring resonator in lumerical FDTD. It has reached the autoshutoff threshold ( result view status:2) before completing the simulation time ( simulation has done upto...

01 February 2021 8,948 8 View

Why transmission power drops with Lumerical FDTD simulation time?

Hello everyone, I am trying to design a ring resonator in FDTD. I simulated the design and found transmission power dropped by increasing simulation time. Once I increased the simulation time the...

22 January 2021 5,151 4 View

How to control the bias voltages of Dual Drive Mach Zehnder Modulator in Optisystem?

Hello everyone, I am trying to generate flat optical comb using Optisystem but I failed to do that. I used Dual Drive Mach Zehnder Modulator component to make a constant magnitude for all comb...

22 July 2016 6,857 8 View

What is the way to use gain flattening filter ?

Hello Everyone, I am trying to make spectrum in same amplitude, therefore i have used gain flattening filter to chop out the noise and make all the spectral lines in same amplitude in optisystem....

31 May 2016 2,932 3 View