Related Experiment Video
Updated: May 11, 2026
07:56
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Controllable polarization coupled dual-focused second-harmonic generations in a two-dimensional optical superlattice
Xu-Hao Hong1, Bo Yang, Ding Zhu
1National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China.
Optics Letters
|June 1, 2013
Summary
The nonlinear Huygens-Fresnel principle enables multifunctional nonlinear optical devices. Experiments show focused second-harmonic generation with strong polarization sensitivity, matching numerical simulations.
Area of Science:
- Nonlinear optics
- Photonics
- Optical device engineering
Background:
- The nonlinear Huygens-Fresnel principle is a key concept in optics.
- Nonlinear optical devices offer advanced functionalities.
- Second-harmonic generation (SHG) is a significant nonlinear optical process.
Purpose of the Study:
- To design and investigate multifunctional nonlinear optical devices.
- To explore the phenomenon of focused second-harmonic generation.
- To analyze the polarization sensitivity of SHG in these devices.
Main Methods:
- Application of the nonlinear Huygens-Fresnel principle for device design.
- Experimental observation of focused second-harmonic generation.
- Numerical simulations to model and verify experimental outcomes.
Main Results:
- Successful design of multifunctional nonlinear optical devices.
- Observation of SHG with notable polarization sensitivity.
- Experimental results show excellent agreement with numerical simulations.
Conclusions:
- The nonlinear Huygens-Fresnel principle is effective for designing advanced nonlinear optical devices.
- Focused SHG exhibits strong polarization dependence, offering potential for tunable optical components.
- The validated simulation model can guide future device development.
