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Soliton formation and collapse in tunable waveguide arrays by electro-optic effect
Xuewei Deng1, Huiying Lao, Xianfeng Chen
1Department of Physics, the State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, Shanghai 200240, China.
Applied Optics
|July 3, 2009
Summary
We demonstrate a new method to control light behavior in periodically poled lithium niobate (PPLN) waveguide arrays using an electrical field. This technique manages discrete diffraction and spatial solitons, paving the way for advanced optical devices.
Area of Science:
- Nonlinear optics
- Materials science
- Photonics
Background:
- Periodically poled lithium niobate (PPLN) is a key material for nonlinear optical applications.
- Waveguide arrays in PPLN enable the study of light propagation phenomena.
- Controlling light behavior, such as diffraction and solitons, is crucial for optical device development.
Purpose of the Study:
- To numerically investigate light propagation in PPLN waveguide arrays.
- To propose and demonstrate a novel method for controlling discrete diffraction and spatial solitons.
- To utilize the linear focusing effect for precise light manipulation.
Main Methods:
- Numerical simulations of light propagation.
- Utilizing the concept of linear focusing effect.
- Applying an external electrical field to PPLN waveguide arrays.
Main Results:
- Demonstrated control over discrete diffraction in PPLN waveguide arrays.
- Successfully controlled spatial solitons using an electrical field.
- Numerical simulations confirmed the feasibility of the proposed method.
Conclusions:
- The proposed electrical field method offers effective control over light propagation in PPLN waveguide arrays.
- This technique provides a new pathway for manipulating discrete diffraction and spatial solitons.
- The findings highlight the potential for advanced optical functionalities in PPLN-based devices.
