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Optical Fiber-Integrated Metasurfaces: An Emerging Platform for Multiple Optical Applications.
Qiancheng Zhao1, Weihao Yuan1, Jiaqi Qu1
1Photonics Research Center, Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
Nanomaterials (Basel, Switzerland)
|March 10, 2022
Summary
Metasurface technology integrated with optical fibers creates novel "all-in-fiber" devices. This review explores their applications in telecommunication, sensing, imaging, and biomedicine, highlighting fabrication and future directions.
Area of Science:
- Optics and Photonics
- Nanotechnology
- Materials Science
Background:
- Metasurfaces enable optical wavefront engineering using subwavelength nanostructures.
- The "lab-on-fiber" concept has inspired the integration of metasurfaces with optical fibers.
- This integration forms a new platform for "all-in-fiber" metasurface devices.
Purpose of the Study:
- To review the current state of optical fiber-integrated metasurfaces.
- To classify and discuss application scenarios of fiber metasurface devices.
- To outline physical fundamentals, design, and fabrication methods.
Main Methods:
- Summarizing and comparing key fabrication techniques for optical fiber metasurfaces.
- Classifying application scenarios based on device capabilities.
- Discussing physical principles and design methodologies.
Main Results:
- Optical fiber metasurfaces offer a versatile platform for advanced optical functions.
- The review categorizes applications including telecommunication, sensing, imaging, and biomedicine.
- Fabrication methods and design principles are presented and compared.
Conclusions:
- Optical fiber metasurfaces represent a significant advancement in integrated optics.
- Future research directions focus on leveraging the flexibility of meta-fiber devices.
- These devices hold promise for diverse applications across multiple scientific fields.
