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nnp:optics:led_simulation [2017/02/03 12:21] stefan.birner [Emission Spectrum] |
nnp:optics:led_simulation [2019/06/28 12:56] (current) stefan.birner [Input file structure] |
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$R_{\rm sp}(x)$ depends on position $x$ because the densities depend on position. | $R_{\rm sp}(x)$ depends on position $x$ because the densities depend on position. | ||
The bimolecular recombination coefficient $c_{\rm rad}$ is a material dependent constant and has units ${\rm cm}^3/{\rm s}$. | The bimolecular recombination coefficient $c_{\rm rad}$ is a material dependent constant and has units ${\rm cm}^3/{\rm s}$. | ||
+ | The order of magnitude is around $10^{-10}{\rm cm}^3/{\rm s}$. | ||
This recombination rate is coupled into the drift-diffusion equation and the stationary solution of the problem, | This recombination rate is coupled into the drift-diffusion equation and the stationary solution of the problem, | ||
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output_intrinsic_density{} | output_intrinsic_density{} | ||
energy_distribution{ # Calculation of carrier densities as a function of energy | energy_distribution{ # Calculation of carrier densities as a function of energy | ||
- | min = -5 # Integrate from | + | min = -5.0 # Integrate from |
- | max = 5 # Integrate to | + | max = 5.0 # Integrate to |
energy_resolution = 0.05 # Integration resolution | energy_resolution = 0.05 # Integration resolution | ||
+ | emission_spectrum = yes # Output classical emission spectrum (both, photon count and intensity) | ||
} | } | ||
} | } | ||
Line 79: | Line 81: | ||
<Code> | <Code> | ||
energy_distribution{ # Calculation of carrier densities as a function of energy | energy_distribution{ # Calculation of carrier densities as a function of energy | ||
- | min = -5 # Integrate from | + | min = -5.0 # Integrate from |
- | max = 5 # Integrate to | + | max = 5.0 # Integrate to |
energy_resolution = 0.05 # Integration resolution | energy_resolution = 0.05 # Integration resolution | ||
+ | emission_spectrum = yes # | ||
} | } | ||
</Code> | </Code> | ||
Line 100: | Line 103: | ||
;#; | ;#; | ||
- | <dataplot center linepoints xrange=-50.0:50.0 yrange=-2.5:2.5 xlabel="Position (nm)" ylabel="Energy (eV)" ylegends="Gamma LH HH SO Fermi_{electron} Fermi_{hole}" 600x400> | + | <dataplot center linepoints xrange=-50.0:50.0 yrange=-2.5:2.5 xlabel="Position (nm)" ylabel="Energy (eV)" ylegends="Gamma LH HH SO Fermi_{electron} Fermi_{hole}" title="Band edge profile of a pin diode" 600x400> |
-85 -0.8 -0.8 -0.8 -0.8 -0.8 -0.8 | -85 -0.8 -0.8 -0.8 -0.8 -0.8 -0.8 | ||
-84.801 -0.8 -0.8 -0.8 -0.8 -0.8 -0.8 | -84.801 -0.8 -0.8 -0.8 -0.8 -0.8 -0.8 | ||
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*/ | */ | ||
+ | The input file can be downloaded from {{nnp:optics:ledsim_zb_-_p-i-n_device.zip?linkonly | here }} | ||
+ |