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qcl:the_nextnano.qcl_software [2018/11/05 10:10]
stefan.birner
qcl:the_nextnano.qcl_software [2020/07/03 13:52]
thomas.grange
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-====== The nextnano.QCL software for Quantum ​Cascade Lasers ​====== +Moved to [[https://​nextnano-docu.northeurope.cloudapp.azure.com/​dokuwiki/​doku.php?​id=negf:​the_nextnano.negf_software&​do=edit&​rev=0]] 
-  * [[https://​www.nextnano.com/​customer/​download_code_QCL.php|Download nextnano.QCL software]]+ 
 +====== The nextnano.NEGF software for Quantum ​Transport ​====== 
 +  * [[https://​www.nextnano.com/​customer/​download_code_NEGF.php|Download nextnano.NEGF software]]
   * [[https://​www.nextnano.com/​dokuwiki/​doku.php?​id=nnm:​license_activation|License activation]]   * [[https://​www.nextnano.com/​dokuwiki/​doku.php?​id=nnm:​license_activation|License activation]]
  
 {{ :​qcl:​nextnanoqcl_electron_density.jpg?​300|}} {{ :​qcl:​nextnanoqcl_electron_density.jpg?​300|}}
  
-This website describes the nextnano.QCL software,+This website describes the nextnano.NEGF software ​(previously called nextnano.QCL),
 a **NEGF quantum transport code** written by Thomas Grange. a **NEGF quantum transport code** written by Thomas Grange.
-The nextnano.QCL software has been developed to simulate electron dynamics in heterostructures like superlattices and **quantum cascade lasers** (QCLs). It can also be used to simulate absorption spectra in quantum wells (QWs) and transport in **resonant tunneling diodes** (RTDs).+The nextnano.NEGF software has been developed to simulate electron dynamics in heterostructures like superlattices and **quantum cascade lasers** (QCLs). It can also be used to simulate absorption spectra in quantum wells (QWs) and transport in **resonant tunneling diodes** (RTDs).
  
 The software calculates current-voltage characteristics and gain/​absorption spectra. The software calculates current-voltage characteristics and gain/​absorption spectra.
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   * Electron-electron scattering   * Electron-electron scattering
  
-==== How do I obtain the nextnano.QCL code? ====+==== How do I obtain the nextnano.NEGF code? ====
 Please [[http://​www.nextnano.com/​customer/​download_code_QCL.php|download it from here]]. Additionally,​ it is strongly recommend to contact <​support@nextnano.com>​ and inform us that you are interested in this tool. We can then assist you and provide new updates to you. Please [[http://​www.nextnano.com/​customer/​download_code_QCL.php|download it from here]]. Additionally,​ it is strongly recommend to contact <​support@nextnano.com>​ and inform us that you are interested in this tool. We can then assist you and provide new updates to you.
  
-==== How do I execute nextnano.QCL? ==== +==== How do I execute nextnano.NEGF? ==== 
-Open the nextnanomat GUI, open a nextnano.QCL input file and press the ''​Run''​ button.+Open the nextnanomat GUI, open a nextnano.NEGF input file and press the ''​Run''​ button.
  
-==== How do I execute nextnano.QCL from the command line? (not recommended) ==== +==== How do I execute nextnano.NEGF from the command line? (not recommended) ==== 
-''​nextnano.QCL.exe <input file name> <output folder name> <​material database name> <License file name>''​+''​nextnano.NEGF.exe <input file name> <output folder name> <​material database name> <License file name>''​
  
 Example:\\ Example:\\
-''​nextnano.QCL.exe %%"​%%..\nextnano.QCL sample files\MidIR_QCL_YuSlivkenRazeghi_SST2010.xml%%"​%% %%"​%%..\Output%%"​%% %%"​%%..\Material_Database.xml%%"​%% ​  ​%%"​%%..\License_nnQCL.lic%%"​%% ''​+''​nextnano.NEGF.exe %%"​%%..\nextnano.NEGF sample files\MidIR_QCL_YuSlivkenRazeghi_SST2010.xml%%"​%% %%"​%%..\Output%%"​%% %%"​%%..\Material_Database.xml%%"​%% ​  ​%%"​%%..\License_nnQCL.lic%%"​%% ''​ 
 + 
 +Optional: the argument "​--threads 2" can be appended to the command line to limit the number of threads to e.g. 2.
  
 ==== Are there any tutorial input files available? ==== ==== Are there any tutorial input files available? ====
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 ==== Where can I find some background on the implemented physics? ==== ==== Where can I find some background on the implemented physics? ====
-The NEGF method for QCLs is decribed in the following publications where the nextnano.QCL code was used.+The NEGF method for QCLs is decribed in the following publications where the nextnano.NEGF code was used.
   * [[http://​dx.doi.org/​10.1103/​PhysRevB.92.241306|Contrasting influence of charged impurities on transport and gain in terahertz quantum cascade lasers]]\\ T. Grange\\ Physical Review B 92, 241306(R) (2015)   * [[http://​dx.doi.org/​10.1103/​PhysRevB.92.241306|Contrasting influence of charged impurities on transport and gain in terahertz quantum cascade lasers]]\\ T. Grange\\ Physical Review B 92, 241306(R) (2015)
  
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   * [[http://​dx.doi.org/​10.1103/​PhysRevB.89.165310|Electron transport in quantum wire superlattices]]\\ T. Grange\\ Physical Review B 89, 165310 (2014)   * [[http://​dx.doi.org/​10.1103/​PhysRevB.89.165310|Electron transport in quantum wire superlattices]]\\ T. Grange\\ Physical Review B 89, 165310 (2014)
 +
 +  * [[https://​doi.org/​10.1063/​1.5082172|Room temperature operation of n-type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green'​s functions]]\\ Thomas Grange, David Stark, Giacomo Scalari, Jérôme Faist, Luca Persichetti,​ Luciana Di Gaspare, Monica De Seta, Michele Ortolani, Douglas J Paul, Giovanni Capellini, Stefan Birner, and Michele Virgilio \\ Applied Physics Letters 114, 111102 (2019) [[https://​arxiv.org/​abs/​1811.12879|arXiv]]
 +
 +  * [[https://​doi.org/​10.1103/​PhysRevApplied.13.044062|Atomic-Scale Insights into Semiconductor Heterostructures:​ From Experimental Three-Dimensional Analysis of the Interface to a Generalized Theory of Interfacial Roughness Scattering]]\\ T. Grange, S. Mukherjee, G. Capellini, M. Montanari, L. Persichetti,​ L. Di Gaspare, S. Birner, A. Attiaoui, O. Moutanabbir,​ M. Virgilio, and M. De Seta \\ Phys. Rev. Applied 13, 044062 (2020) [[https://​arxiv.org/​abs/​2002.00851|arXiv]]
  
 A good introduction is also the tutorial talk [[http://​iqclsw2018.lpa.ens.fr/​IMG/​pdf/​tutorial_iqclsw_2018_grange.pdf|Modeling electron transport in quantum cascade lasers]] given by Thomas Grange at the International Quantum Cascade Laser School and Workshop (Cassis/​France,​ 2018). A good introduction is also the tutorial talk [[http://​iqclsw2018.lpa.ens.fr/​IMG/​pdf/​tutorial_iqclsw_2018_grange.pdf|Modeling electron transport in quantum cascade lasers]] given by Thomas Grange at the International Quantum Cascade Laser School and Workshop (Cassis/​France,​ 2018).
 ==== Copyright information ==== ==== Copyright information ====
 {{ :​qcl:​thomas_grange_grey.jpg?​100|}} {{ :​qcl:​thomas_grange_grey.jpg?​100|}}
-The nextnano.QCL software has been developed by Thomas Grange. It is written in C#.+The nextnano.NEGF software has been developed by Thomas Grange. It is written in C#.
 For publications of Thomas Grange, see [[https://​scholar.google.com/​citations?​user=xYCDFt4AAAAJ&​hl=|his profile on Google Scholar]]. For publications of Thomas Grange, see [[https://​scholar.google.com/​citations?​user=xYCDFt4AAAAJ&​hl=|his profile on Google Scholar]].
  
-The nextnano.QCL software is distributed by the [[http://​www.nextnano.com|nextnano GmbH]].+The nextnano.NEGF software is distributed by the [[http://​www.nextnano.com|nextnano GmbH]].
  
 For questions or feedback about the software, please contact <​support@nextnano.com>​. For questions or feedback about the software, please contact <​support@nextnano.com>​.
  
qcl/the_nextnano.qcl_software.txt · Last modified: 2020/07/03 13:56 by thomas.grange