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http://dx.doi.org/10.3807/KJOP.2002.13.5.400

Propagation and interaction of two dimensional solitary waves in organic single crystal of polydiacetylene para-toluene sulfonate  

류재명 (한남대학교 자연과학부 광ㆍ전자물리학 전공)
조재흥 (한남대학교 자연과학부 광ㆍ전자물리학 전공)
황보창권 (인하대학교 물리화학부)
정진호 (프로옵틱스 연구소)
Publication Information
Korean Journal of Optics and Photonics / v.13, no.5, 2002 , pp. 400-407 More about this Journal
Abstract
Two dimensional solitary waves are stably propagated in a saturable medium which has a saturable nonlinear index as input intensity. However, in the case of low intensity. a negative fifth-order nonlinear medium has properties of a saturable medium. So a Gaussian beam travels stably. The propagation process into the fifth order nonlinear medium of the Gaussian beam with a weak intensity is investigated by using the computer simulation of the two-dimensional nonlinear Schrodinger equation. As a result, it is confirmed that the two-dimensional spatial solitary waves are stably propagated in this medium when the incident powers are self-trapping powers. In the condition of the phase difference and collisional angle between two input beams of 180 degree and 0.05 degree, respectively, we can confirm that all optical switching is as simple as controlling the incident power of one input beam.
Keywords
nonlinear optics; self-focusing; saturable medium; spatial soliton; optical switching;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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