科研之友
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摘要
The temperature, the heat flux, and the temperature gradient in an InGaAs system vertical-external-cavity surface-emitting laser are numerical studied by the use of the finite element method, and the analysis is focused on the maximum temperature rise in the active region under various conditions. The effect of substrate thickness on the peak gain of quantum wells, the influence of pump spot radius on the maximum output power, and the spontaneous emission wavelength under different pump power are examined respectively.
