Physics, 02.07.2019 21:10 genyjoannerubiera
With the of an energy -momentum (e-k) diagram describe the basic process used to obtain optical gain in semiconductors? explain the difference between direct and indirect band-gap semiconductors. (4) 1. 58 b) with the aid of a suitable diagram, discuss the main design features of a double heterostructure semiconductor laser and explain the role of these features in the optimization of the threshold current. (4)
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With the of an energy -momentum (e-k) diagram describe the basic process used to obtain optical gai...
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