[Salwa MostafaParticipant]

Hi Heitor Galvao

Where is the DCF component in optiwave library ?

Thanks in advance

[Salwa MostafaParticipant]

i recommend this course for you also Fiber Optic Communication – Agrawal 4th edition

http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0470922826.html

Good Luck

Attachments:

1. 

   optiwave1.jpg
   

[Salwa MostafaParticipant]

it’s working now. Thanks Damian very much for your help

[Salwa MostafaParticipant]

Hi Damian

i used white light, but i have a problem in the first WDM mux .
range of wavelength used 1550–1557.8 with .8 spectral width.
which bessel filter center frequency and bandwidth for white light is appropriate.

Thanks in advance.

[Salwa MostafaParticipant]

Hi Damian

what i mean when i made sweep range and try to draw it Vs. BER the first run result is the blue line ,when i made a second run for the same setting the red line produced. how can i reduce this so much change in results ?

can you please answer my question in the fourth replay

Thanks Damian very much.

Attachments:

1. 

   8.png
   

[Salwa MostafaParticipant]

when i make sweep range every time i run the project the BER result is different .(different graphs (BER VS. range) ) ? how can i realize the appropriate system result ?

[Salwa MostafaParticipant]

Hi Damian

i used white light, but i have a problem in the first WDM mux .
can you check if the bessel filter center frequency and bandwidth is appropriate.

Thanks in advance.

[Salwa MostafaParticipant]

Thanks Damian very much.

[Salwa MostafaParticipant]

Hi Damian

i want to clarify the following points to me

1- how you increased the power dramatically for the White Light source.
2- how you determine the appropriate center frequency and band with (Bessel filter) for the project.
3-is there any simulation examples for using MIMO technique

sorry for many questions but i need to understand

Thanks in advance

[Salwa MostafaParticipant]

Hi Damian

I appreciate your help.

Thank you very much indeed.

[Salwa MostafaParticipant]

Hi Damian

i can’t figure where is the different in frequency between first 1:12 WDM Demux and first 3:1 WDM MUx

Frequency[0] 1555.6
Frequency[1] 1556.2 in first WDM Demux
Frequency[2] 1557.8

in WDM MUX Frequency[0] 1555.6
Frequency[1] 1556.2
Frequency[2] 1557.8

the same thing at receiver side.

[Salwa MostafaParticipant]

Hi Damian

i tried to change the sample rate in global mode but its close. also i changed the sample rate in white light to 2.5 Thz but it didn’t work.

can you tell me how you calculate the bandwidth ?

Do you mean changing the center frequency of PIN photo-detector ?

also i change the band with in LED to 2.5 THZ but it didn’t work .

if you tried and worked with you please attach the modification.

Thanks in advance

[Salwa MostafaParticipant]

hi Damian

i used white light source but it didn’t work as attached. can you check it ?

in my project i use spectral width between each channel equal to .8 nm and i need 20 channel , i tried to increase the bandwidth of LED transmitter to 16 nm but it didn’t work.

thanks in advance

[Salwa MostafaParticipant]

thanks very much jaffar for your help

[Salwa MostafaParticipant]

Hi jaffar

Thanks for your help.

but i have a problem in drawing when i try to drag object to the 2D graph X-axis. its closed like in atttached image

Can you tell me how i can do that using matlab ?

Thanks in advance

Attachments:

1. 

   image.png