A laser pulse having spectral width Al. =500nm is launched into a step-index fiber. The fiber has core diameter d = 3.5µm, length L=1km and A = 0.005. The wavelength dependence of the core refractive index, material dispersion, and waveguide dispersion are shown in figures P4a, P4b, and P4c respectively. a) Plot the overall broadening of the pulse due to contributions from modal dispersion, material dispersion, and waveguide dispersion as a function of wavelength for the range 0.7 um s2s1.6um NOTE: You MUST plot to scale, do NOT sketch.] b) What is the maximum data rate that a signal can be transmitted through the fiber and the corresponding wavelength?
A laser pulse having spectral width Al. =500nm is launched into a step-index fiber. The fiber has core diameter d = 3.5µm, length L=1km and A = 0.005. The wavelength dependence of the core refractive index, material dispersion, and waveguide dispersion are shown in figures P4a, P4b, and P4c respectively. a) Plot the overall broadening of the pulse due to contributions from modal dispersion, material dispersion, and waveguide dispersion as a function of wavelength for the range 0.7 um s2s1.6um NOTE: You MUST plot to scale, do NOT sketch.] b) What is the maximum data rate that a signal can be transmitted through the fiber and the corresponding wavelength?
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How do I figure out the wavelength? so i can preceed with the question
![A laser pulse having spectral width A. =500nm is launched into a step-index fiber. The fiber has
core diameter d = 3.5µm, length L=1km and A = 0.005. The wavelength dependence of the core
refractive index, material dispersion, and waveguide dispersion are shown in figures P4a, P4b,
and P4c respectively.
a) Plot the overall broadening of the pulse due to contributions from modal dispersion,
material dispersion, and waveguide dispersion as a function of wavelength for the range
0.7 jum s2s1.6um NOTE: You MUST plot to scale, do NOT sketch.]
b) What is the maximum data rate that a signal can be transmitted through the fiber and the
corresponding wavelength?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc85c03c7-9ab0-419e-879b-dcceda11807a%2F307f691d-e9a8-4e38-9b7e-b67b70440b07%2Ff0wmd6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A laser pulse having spectral width A. =500nm is launched into a step-index fiber. The fiber has
core diameter d = 3.5µm, length L=1km and A = 0.005. The wavelength dependence of the core
refractive index, material dispersion, and waveguide dispersion are shown in figures P4a, P4b,
and P4c respectively.
a) Plot the overall broadening of the pulse due to contributions from modal dispersion,
material dispersion, and waveguide dispersion as a function of wavelength for the range
0.7 jum s2s1.6um NOTE: You MUST plot to scale, do NOT sketch.]
b) What is the maximum data rate that a signal can be transmitted through the fiber and the
corresponding wavelength?
Transcribed Image Text:1.475
P4a: Refractive index vrs wavelength
1.470
1.465
1.460
1.455
1.450
1.445
1.440
0.4
0.6
0,8
1.2
1.4
1.6
Wavelength (pm)
200
175
P4b: Material dispersion vrs wavelength
150
125
100
75
50
25
-25
-50
0.7
0.8
0.9
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Wavelengih (am)
P4c: Waveguide dispersion vrs wavelength
2
1
0.6
0.8
1.2
1.4
1.6
1.8
Waveguide dispersion (ps/km/ns)
Refractive index
(L-ujsd) N
co
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