Lgr = 7mm, effective periodic index modulation δn = 10‾⁴, and Bragg wavelength 𝜆B = 1550nm.
a. Calculate the value of the coupling coefficient 𝜅, in the FBG. (in units of m‾¹)
b. Considering a waveguide refractive index of n = 1.4489 for the silica fibre at 1550nm, what is the grating period of the FBG? (in units of nm)
c. What is the full bandwidth Δ𝜆 of the FBG? (in units of nm)
3) Consider an FBG with parameters described in 2), but in this case of varying grating length, Lgr.
a. Calculate the values of 𝜅, Δ𝜆, and peak reflection, for
i. Lgr = 1mm
ii. Lgr = 4mm
iii. Lgr = 10mm
iv. Lgr = 15mm
These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.function calc()
Lgr = 0.007; % m
deln = 1e-4;
lamB = 1550e-9; %m
neff = 1.4489;
kap = pi*deln/lamB
Lam = lamB /2/neff
Dellam = lamB...
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