J4 ›› 2016, Vol. 33 ›› Issue (5): 584-589.

• Nonlinear Optics • Previous Articles     Next Articles

(1+1)D Hermite Gauss lossy solitons in strongly nonlocal nonlinear media

Bai Dongfeng,Lu Hongyan   

  1. Institute of mechanical and electrical automation, Henan Polytechnic Institute, Nanyang 473009, China
  • Received:2015-09-21 Revised:2016-03-11 Published:2016-09-28 Online:2016-09-28

Abstract: The propagation properties of (1+1)D Hermite--Gauss beam in nonlocal nonlinear lossy media are investigated by using variational methods. The laws of beam parameters followed when propagating in medium and the critical power required by forming the lossy solitons are obtained. When the initial power is close to the critical power, the beam width expands periodically and obeys the quasi-sine or quasi-cosine law. By comparison, the analytical solutions and numerical solutions using the variational solution method are in good agreement with a longer distance in beam propagation.

Key words: nonlinear optics; variational method; Hermite-Gaussian beams; lossy solitons