Q1(a) For the system in Figure Q1(a), Calculate the following:
(i) The output power in mW;
(ii) The material dispersion;
(iii) The waveguide dispersion.
(iv) Sketch the output pulses.
$n_{cladding} = 1.47$
$n_{core} = 1.48$
$10 \mu m$
$\lambda = 1550 nm$
$n_{cladding} = 1.47$
$100 km$
Attenuation coefficient, $\alpha = 0.23 dB/km$
Material Dispersion Coefficient, $M_{mat} = -20 ps/nm-km$
Waveguide Dispersion Coefficient, $M_{wg} = 5 ps/nm-km$
Lightsource linewidth = 10GHz
Figure Q1(a)
(b) A long single mode optical fiber has an attenuation of 0.40 dBkm$^{-1}$ when
operating at a wavelength of 1.55 µm. The fiber core diameter is 6 µm
and the laser source bandwidth is 500 MHz. Determine the threshold
optical power for stimulated Raman scattering.
