| 1 | Rsym = 2.5e10; % symbol/sec |
| 2 | sps = 4; % samples/symbol |
| 3 | fs = Rsym * sps; % sampling freq (Hz) |
| 4 | Tsamp = 1 / fs; |
| 5 | |
| 6 | x = 10 * normpdf(1:30, 10, 3); |
| 7 | |
| 8 | xCD = chromaticDispersion(x, 20, 1550, 30, Tsamp); |
| 9 | |
| 10 | figure(1); |
| 11 | subplot(211); |
| 12 | plot(abs(x) .^ 2); |
| 13 | axis([0 30 -Inf Inf]); |
| 14 | title('Before dispersion'); |
| 15 | ylabel('Power (arb. unit)'); |
| 16 | subplot(212); |
| 17 | plot(abs(xCD) .^ 2) |
| 18 | axis([20 50 -Inf Inf]); |
| 19 | title('After dispersion'); |
| 20 | xlabel('Time (arb. unit)'); |
| 21 | ylabel('Power (arb. unit)'); |
| 22 | |
| 23 | %saveas(gcf, 'dispersionTest.png'); |