Answer to Question #215734 in Optics for Soham Samanta

Question

A DH GaAs/GaAlAs ILD has a cavity length of 0.5 mm, an effective loss 

coefficient Γ of 1.2mm^-1

, a confinement factor alpha_eff

 of 0.9, and uncoated facet 

reflectivities of 0.35. Calculate the reduction that occurs in the threshold gain 

coefficient when the reflectivity of one of the facets is increased to 1.

Answer 1

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