"$activateStimEL" 修訂間的差異

於 2024年10月2日 (三) 00:12 的修訂

$activateStimEL is a command used to enable the calculation of stimulate Emission.

The stimulate emission coefficient is calculated by:

 $B_{stim} = B_{0} \times \beta \times \frac{R_{rad}}{R_{th}-R_{rad}}$ 
 $R_{stim} = B_{stim} \times n \times p$ 
 $B_{0}:$  is the radiative recombination coefficient
 $R_{th}:$  is the threshold recombination rate
 $R_{rad}:$  is the spontaneous radiative recombination rates decided by   $B_{0}\times n \times p$ 
 $\beta:$  is the fitting coefficient.

The way to activate the command is as following

$activateStimEL
Method QW_number 1st_QW_layerNum 2nd_QW_layerNum 3rd_QW_layerNum ...
 $\beta_{1}~~ R_{th,1} ~~ P3_1~~ P4_1$ 
 $\beta_{2}~~ R_{th,2} ~~ P3_2~~ P4_2$ 
 $\beta_{3}~~ R_{th,3} ~~ P3_3~~ P4_3$ 
 $\beta_{4}~~ R_{th,4} ~~ P3_4~~ P4_4$ 
 $\beta_{5}~~ R_{th,5} ~~ P3_5~~ P4_5$ 
.....
..... total N layers (regions)
 $\beta_{N}~~ R_{th,N} ~~ P3_N~~ P4_N$

Method: 1 -> Given  $\beta$  and  $R_{th}$  of each layer. If this is layer is not QW, set  $\beta=0.0~~,and~~R_{th}=0.0$ 
Method: 2 -> defined for future expansion
 $P3$ ,  $P4$  : Not used. It might be used when Method 2 is activate in the future

For example:

$activateStimEL
1 1 2 
0.000 5.0e27 0.00 0.00
1.000e-4 5.0e27 0.00 0.00
0.000 5.0e27 0.00 0.00
0.000 5.0e27 0.00 0.00

In this command, use method 1. There is 1 QW which is the 2nd layer. The $\beta$ and $R_{th}$ of the 2nd layer is 1.0e-4 and 5.0e27 $(1/cm^{3}s)$

"$activateStimEL" 修訂間的差異

於 2024年10月2日 (三) 00:12 的修訂

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