1. Optical communications Simulation 1 1

2. Design Vietnamese backbone WDM network Ha Noi – Da Nang: 605km Da Nang – Ho Chi Minh: 615 km 2 fiber links (1 for back up) along A1 and Truong Son national highway 2

3. Optisystem – Components Simulation – Dispersion and attenuation 3

4. Optisystem: component library 4 Components

5. Move and connect components 5 Move Connect

6. Component’s properties 6 Double click Component’s properties

7. Global properties 7 Double click Global’s properties

8. Simulate a simple fiber Create the following layout Global: – Bit rate: 40Gb/s – Bit length: 8 bit Component: – User define bit sequence: 00010001 8

9. Question 1 Change the fiber length to 1km, 2.5 km, 5 km, 10km and then 15 km. Disable fiber dispersion. Set fiber attenuation to 2dB/km Compare the output/input pulse in each cases. Explain the results. 9

10. Question 2 Change the fiber length to 1 km, 2.5 km, 5 km, 10km and then 15 km. Enable fiber dispersion. Set at 20 ps/km.nm Set fiber attenuation to 0 dB/km Compare the output/input pulse in each cases. Explain the results. 10

11. Question 3 Change the fiber length to 1 km, 2.5 km, 5 km, 10km and then 15 km. Set fiber dispersion to 20 ps/km.nm Set fiber attenuation to 2 dB/km Compare the output/input pulse in each cases. Explain the results. 11