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Nonlinear Photonics Using Low-Dimensional Metal-Halide Perovskites: Recent Advances and Future Challenges
Weiqiang Chen1,2, Feng Zhang3, Cong Wang3
1MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China.
Advanced Materials (Deerfield Beach, Fla.)
|February 5, 2021
Summary
Low-dimensional metal-halide perovskites show remarkable nonlinear optical properties due to unique structures. This review summarizes their third- and higher-order nonlinearities, mechanisms, and applications in photonics.
Area of Science:
- Materials Science
- Optics and Photonics
- Condensed Matter Physics
Background:
- Low-dimensional metal-halide perovskites possess superior nonlinear optical (NLO) properties compared to traditional semiconductors.
- Their unique physical and electronic structures drive exceptional NLO characteristics, enabling advanced applications.
- Research in nonlinear photonics using these materials is emerging, necessitating a comprehensive overview.
Purpose of the Study:
- To provide a state-of-the-art summary of third- and higher-order NLO properties in low-dimensional metal-halide perovskites (0D to 3D).
- To critically discuss the fundamental mechanisms behind their exceptional NLO performance.
- To explore and categorize potential applications in nonlinear photonics, optoelectronics, and biophotonics.
Main Methods:
- Comprehensive literature review of research on low-dimensional metal-halide perovskites and their NLO properties.
- Analysis of intrinsic material attributes (composition, bandgap, size, shape, structure) influencing NLO response.
- Investigation of external modulation strategies (core-shell structures, doping, hybridization) for tuning NLO performance.
Main Results:
- Detailed summary of third- and higher-order NLO properties across diverse perovskite dimensionalities.
- Identification of key physical mechanisms, including the role of intrinsic properties and external modulation, in enhancing NLO effects.
- Systematic categorization of applications in nonlinear photonics, nonlinear optoelectronics, and biophotonics.
Conclusions:
- Low-dimensional metal-halide perovskites are highly promising for advanced NLO applications due to their tunable and superior properties.
- Understanding the interplay between material structure, composition, and external factors is crucial for optimizing NLO performance.
- Future research should address current technical challenges and explore new opportunities in this rapidly developing field.
