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Governing soliton splitting in one-dimensional lattices
Andrea Fratalocchi1, Gaetano Assanto
1Nonlinear Optics and OptoElectronics Labs (NooEL), National Institute for the Physics of Matter (INFM), and CNISM, Department of Electronic Engineering, University Roma, Tre Via della Vasca Navale 84, 00146, Rome, Italy. frataloc@uniroma3.it
Summary
We demonstrate precise control over light dynamics in nonlinear waveguide arrays by managing soliton-defect interactions. This enables all-optical data processing applications using dye-doped liquid crystals.
Area of Science:
- Nonlinear optics
- Condensed matter physics
- Photonics
Background:
- Nonlinear waveguide arrays support discrete light propagation.
- Defects in such arrays can disrupt or modify light dynamics.
- Soliton-based all-optical signal processing offers high-speed data manipulation.
Purpose of the Study:
- To investigate discrete light dynamics in nonlinear waveguide arrays with longitudinal defects.
- To model and understand the physics of soliton-defect interactions.
- To demonstrate complete control over system outcomes for all-optical data processing.
Main Methods:
- Modeling discrete light dynamics in nonlinear waveguide arrays.
- Analyzing soliton-defect interactions with arbitrary defect parameters.
- Proposing all-optical management strategies in dye-doped liquid crystals.
Main Results:
- Complete control over soliton propagation in the presence of defects is achieved.
- The soliton-defect interaction physics is thoroughly modeled and discussed.
- A framework for all-optical data processing using these controlled dynamics is presented.
Conclusions:
- Longitudinal defects can be precisely engineered to control discrete light dynamics.
- Soliton-based interactions offer a robust mechanism for all-optical data processing.
- Dye-doped liquid crystals provide a suitable medium for implementing these optical control schemes.