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The Ultra Challenge® Series

New Puffco Peak Vaporizer

Performing Peak Detection

Problem 1 (17.2-2) Peak Gain Coefficient of a Semiconductor Optical Amplifier at T = 0 K. (a) Show that the peak value Yp of the gain coefficient Yo(v) at T = 0 K is located at v = (E - E)/h (b) Obtain an analytical expression for the peak gain coefficient Yp as a function of the injected-carrier concentration An at T = 0 K. (c) Plot Yp versus An for an InGaAsP amplifier (Ao = 1300 nm, n = 3.5, t = 2.5 ns, mc = 0.06 mo, my = 0.4 mo) for values of n in the range of 1x10^18 to 2 x 10^18 cm^-3. (d)