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We study backward second harmonic generation in periodically and aperiodically
poled quasi-phase matched crystals both numerically, and analytically. We apply the shooting
method for our numerical analysis. Due to rapid and efficient numerical technique we were able to
analyze the given frequency conversion process in detail, taking into account various factors: pump
intensity, group velocity mismatch and dispersion, linear phase mismatch and “chirp” of nonlinear
grating. We also derive several approximation solutions for calculating backward harmonic’s
efficiency, applicable at the un-depleted pump approximation.
 

  • Internet havola
  • DOI
  • UzSCI tizimida yaratilgan sana 13-09-2023
  • O'qishlar soni 80
  • Nashr sanasi 11-09-2023
  • Asosiy tilIngliz
  • Sahifalar135-148
English

We study backward second harmonic generation in periodically and aperiodically
poled quasi-phase matched crystals both numerically, and analytically. We apply the shooting
method for our numerical analysis. Due to rapid and efficient numerical technique we were able to
analyze the given frequency conversion process in detail, taking into account various factors: pump
intensity, group velocity mismatch and dispersion, linear phase mismatch and “chirp” of nonlinear
grating. We also derive several approximation solutions for calculating backward harmonic’s
efficiency, applicable at the un-depleted pump approximation.
 

№ Muallifning F.I.Sh. Lavozimi Tashkilot nomi
1 Sapaev U.K. teacher TSTU
2 Yusupov D.B. teacher TSTU
№ Havola nomi
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