(8.2) Calculate the gain of GaAs at 855 nm (near the peak of the gain curve) using the parameters given in the text for Fig. 8.12. Assume that A = 109 s.

(8.2) Calculate the gain of GaAs at 855 nm (near the peak of the gain curve) using the parameters given in the text for Fig. 8.12. Assume that A = 10-9 s. (v) Gain 0 E, Efe - Es Absorption 1.35 1.40 1.55 1.60 1.45 1.50 Photon energy (EV) Fig. 8.12 Gain versus hv in GaAs. 12 7() = A 82 2P;(),(EL) - fc(E)]. (8.2) Calculate the gain of GaAs at 855 nm (near the peak of the gain curve) using the parameters given in the text for Fig. 8.12. Assume that A = 10-9 s. (v) Gain 0 E, Efe - Es Absorption 1.35 1.40 1.55 1.60 1.45 1.50 Photon energy (EV) Fig. 8.12 Gain versus hv in GaAs. 12 7() = A 82 2P;(),(EL) - fc(E)]