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Optimization of semiconductor quantum devices by evolutionary search | | Guido Goldoni Fausto Rossi
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23 Nov 2000 | | Journal: | Optics Lett., vol. 25, 1025 (2000) | | Subject: | Materials Science; Mesoscopic Systems and Quantum Hall Effect | cond-mat.mtrl-sci cond-mat.mes-hall | | Affiliation: | 1,2) Fausto Rossi (1,3) ( I.N.F.M. Universita’ di Modena e Reggio Emilia, Italy Politecnico di Torino, Italy | | Abstract: | A novel simulation strategy is proposed to search for semiconductor quantum devices which are optimized with respect to required performances. Based on evolutionary programming, a tecnique implementing the paradigm of genetic algorithms to more complex data structures than strings of bits, the proposed algorithm is able to deal with quantum devices with preset non-trivial constraints (transition energies, geometrical requirements, etc.). Therefore, our approach allows for automatic design, thus avoiding costly by-hand optimizations. We demonstrate the advantages of the proposed algorithm by a relevant and non-trivial application, the optimization of a second-harmonic-generation device working under resonance conditions. | | Source: | arXiv, cond-mat/0011404 | | Services: | Forum | Review | PDF | Favorites | |
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