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On-chip integrated exceptional surface microlaser
Kun Liao1, Yangguang Zhong2, Zhuochen Du1
1State Key Laboratory for Mesoscopic Physics and Department of Physics, Collaborative Innovation Center of Quantum Matter, Beijing Academy of Quantum Information Sciences, Nano-optoelectronics Frontier Center of Ministry of Education, Peking University, Beijing 100871, China.
Science Advances
|April 12, 2023
Summary
Researchers developed a scalable strategy for robust on-chip visible microlasers. This innovation enhances lasing performance and supports high-speed visible-light communication systems.
Area of Science:
- Photonics
- Non-Hermitian Physics
- Integrated Optics
Background:
- On-chip visible microlasers are crucial for high-speed visible-light communication.
- Existing microlasers face challenges in robustness, linewidth, threshold, and emission.
Purpose of the Study:
- To develop a scalable strategy for robust on-chip visible microlasers with improved performance.
- To explore applications in visible-light communication and fundamental photonic studies.
Main Methods:
- Utilizing increased orders of exceptional surfaces for microlaser design.
- Experimentally demonstrating a second-order exceptional surface-tailored microlaser.
- Investigating exceptional surface-tailored topological microlasers.
Main Results:
- Achieved a robust on-chip integrated visible microlaser with enhanced lasing performances.
- Demonstrated improved performance through a second-order exceptional surface.
- Showcased potential for unique performances in topological microlasers.
Conclusions:
- The developed strategy enables robust on-chip visible microlasers with superior performance.
- This work advances on-chip visible-light communication and processing systems.
- Provides a platform for studying non-Hermitian, nonlinear, and topological photonics.
