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Advances and applications on non-Hermitian topological photonics
Qiuchen Yan1, Boheng Zhao1, Rong Zhou2
1State Key Laboratory for Mesoscopic Physics & Department of Physics, Collaborative Innovation Center of Quantum Matter & Frontiers Science Center for Nano-Optoelectronics, Beijing Academy of Quantum Information Sciences, Peking University, Beijing 100871, P. R. China.
Nanophotonics (Berlin, Germany)
|December 5, 2024
Summary
Non-Hermitian topological photonics merges gain/loss with topological states for novel optical devices. This field explores phase transitions and skin effects, promising advancements in reconfigurable, nonlinear, and quantum optics.
Area of Science:
- Optics and Photonics
- Condensed Matter Physics
- Quantum Information Science
Background:
- Emergence of Non-Hermitian photonics and topological photonics as significant research areas.
- Convergence of these fields leading to the development of non-Hermitian topological photonics.
- Recognition of the potential for novel physical effects and optical device applications.
Purpose of the Study:
- To review recent advances in non-Hermitian topological photonics.
- To highlight key phenomena such as non-Hermitian topological phase transitions and the skin effect.
- To discuss emerging applications in reconfigurable, nonlinear, and quantum optical systems.
Main Methods:
- Utilizing photonic systems to engineer artificial gain and loss for studying non-Hermitian physics.
- Leveraging photonic platforms for the verification of novel physical phenomena.
- Employing light pump and dissipation in photonic systems to manipulate topological states.
Main Results:
- Demonstration of novel physical effects driven by non-Hermitian topological properties.
- Exploration of non-Hermitian topological phase transitions and the associated skin effect.
- Identification of promising applications in advanced optical systems.
Conclusions:
- Non-Hermitian topological photonics offers a new paradigm for manipulating topological states.
- The field holds significant potential for technological revolutions in physics and industry.
- Future research directions point towards further innovation and application development.
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