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Hi all,

I tried working on example “Effects of Group Velocity Dispersion (GVD) on Gaussian Pulse Propagation (Optical System)” given in tutorials.

Effects of Group Velocity Dispersion (GVD) on Gaussian Pulse Propagation

I used all the values to find out T(z) and P(z), I got P(z) = 707microwatts and I can see that in graph. T(z)=10.60ps How can I identify this in graph?

To find out the dispersion length, they got the beta2 value = -20ps/nmkm for 1550nm. Can anyone show me the steps how they got it?

### Responses (1):

• #25455 Sasha
Participant

Hi all,

I tried working on example “Effects of Group Velocity Dispersion (GVD) on Gaussian Pulse Propagation (Optical System)” given in tutorials.

Effects of Group Velocity Dispersion (GVD) on Gaussian Pulse Propagation

I used all the values to find out T(z) and P(z), I got P(z) = 707microwatts and I can see that in graph. T(z)=10.60ps How can I identify this in graph?

To find out the dispersion length, they got the beta2 value = -20ps/nmkm for 1550nm. Can anyone show me the steps how they got it? 