Solitons in Nonlinear Directional Couplers with Optical Metamaterials by Sine-Gordon Equation Approach

This paper recovers solitons with optical metamaterials in nonlinear directional couplers. Both twin-core and multiple-core couplers are considered. There are six nonlinear forms of refractive index studied. The sine-Gordon equation approach is the adopted integration scheme in the work.

Automated summary

This paper investigates the recovery of solitons using optical metamaterials in nonlinear directional couplers. Both twin-core and multiple-core couplers are considered, and six different nonlinear forms of refractive index are studied. The sine-Gordon equation approach is used for integration.