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The Total Efficiency of an Injection Laser with GaAs Active

Question 7

Multiple Choice

The total efficiency of an injection laser with GaAs active region is 12%. The applied voltage is 3.6 V and band gap energy for GaAs is 2.34 eV. Determine external power efficiency.


A) 7.8 %
B) 10 %
C) 12 %
D) 6 %

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