Geodesic
Femtosecond pulse shaping via engineered nonlinear photonic crystals
Nanosistemy: fizika, himiâ, matematika, Tome 6 (2015) no. 2, pp. 244-248

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Non-stationary second harmonic generation by femtosecond pulses, taking into account both group velocity mismatch and dispersion in nonlinear photonic crystals (quasi-phase matched crystals) with domains of arbitrary sizes has been studied numerically. A simulated-annealing algorithm, working on the basis of numerical calculation, is developed to design quasi-phase matching gratings which can yield the desired amplitude and phase profile for second-harmonic pulses in the presence of pump depletion.
Keywords: second harmonic generation, quasi-phase matched crystals, nonlinear photonic crystals, pulse shaping. 
@article{NANO_2015_6_2_a9,
     author = {U. K. Sapaev and V. E. Eshniyazov and B. Kh. Eshchanov and D. B. Yusupov},
     title = {Femtosecond pulse shaping via engineered nonlinear photonic crystals},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {244--248},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2015_6_2_a9/}
}
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U. K. Sapaev; V. E. Eshniyazov; B. Kh. Eshchanov; D. B. Yusupov. Femtosecond pulse shaping via engineered nonlinear photonic crystals. Nanosistemy: fizika, himiâ, matematika, Tome 6 (2015) no. 2, pp. 244-248. http://geodesic.mathdoc.fr/item/NANO_2015_6_2_a9/