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Gain dependence of the threshold characteristic temperature in multiple quantum well lasers

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6 Author(s)
Wilcox, J.Z. ; Space and Technology Group, TRW, One Space Park, Redondo Beach, California 90278 ; Peterson, G.L. ; Ou, S.S. ; Yang, J.J.
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An analytical formula that determines dependence of the threshold characteristic temperature T0 on gain in multiple quantum well lasers is derived by approximately evaluating the gain integrals. Because the threshold gain depends on lasing cavity and quantum well structures, the formula determines dependence of T0 on laser length, reflectivities, optical loss, and number of quantum wells. A very good agreement is obtained between theory and experiment.

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Applied Physics Letters  (Volume:53 ,  Issue: 23 )