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Nonlinear finite-element solver calculated two-dimensional heat flow. The temperature of heat-sinks was set to be 90K. (a) Epi-up mounted laser; (b) Au-electroplated Epi-down mounted laser.
Nonlinear finite-element solver calculated two-dimensional heat flow. The temperature of heat-sinks was set to be 90K. (a) Epi-up mounted laser; (b) Au-electroplated Epi-down mounted laser.