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nnp:optics:optical_absorption_simple
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nnp:optics:optical_absorption_simple [2019/03/11 13:35] stefan.birner [Bandedges in the sample] |
nnp:optics:optical_absorption_simple [2021/07/22 17:38] (current) stefan.birner [Optics tutorial (Simple)] |
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| ====== Optics tutorial (Simple) ====== | ====== Optics tutorial (Simple) ====== | ||
| This simple tutorial shows a simple simulation studies for absorption of semiconductor devices. | This simple tutorial shows a simple simulation studies for absorption of semiconductor devices. | ||
| + | (It seems that this tutorial is based on the file AlGaAs_QW_Frankenberger_nnp.in which has been documented here: [[https://www.nextnano.com/dokuwiki/doku.php?id=nnp:optics#part_3frankenberger|Optics tutorial]]) | ||
| ===== Structure ===== | ===== Structure ===== | ||
| Line 63: | Line 64: | ||
| That is the reason why the valence band is populated and interband transition could happen. | That is the reason why the valence band is populated and interband transition could happen. | ||
| ==== Quantum Mechanics ==== | ==== Quantum Mechanics ==== | ||
| - | From the bandedges the program calculates the wavefunctions, in each band which is definied in the line: | + | From the bandedges the program calculates the wavefunctions in each band which is defined in the line: |
| <code> | <code> | ||
| num_electrons=$NumE | num_electrons=$NumE | ||
| num_holes=$NumH | num_holes=$NumH | ||
| </code> | </code> | ||
| - | It means how many electron and hole states should be calculated. | + | Here you can specify how many electron and hole states should be calculated. |
| The wavefunctons are plotted on the following figure: | The wavefunctons are plotted on the following figure: | ||
| {{ :nnp:optics:optics_simple_wf_simple.png?600 |}} | {{ :nnp:optics:optics_simple_wf_simple.png?600 |}} | ||
nnp/optics/optical_absorption_simple.1552311344.txt.gz ยท Last modified: 2019/03/11 13:35 by stefan.birner
