Frontiers of Optoelectronics

Recent Advances in Optical Metasurfaces

Cheng Zhang, Din-Ping Tsai

Optical metasurfaces, composed of planar arrays of sub-wavelength dielectric or metallic structures that collectively mimic the operation of conventional bulk optical elements, have revolutionized the field of optics by their potential in constructing high-efficiency and multi-functional optoelectronic systems with a compact form factor. By engineering the geometry, placement and alignment of its constituent elements, an optical metasurface arbitrarily controls the magnitude, polarization, phase, angular momentum, or dispersion of an incident light. The study of metasurface now spans various multidisciplinary fields in both fundamental research on light-matter interaction, and emerging applications from solid-state LiDAR to compact imaging and spectroscopy devices. To highlight the exciting developments in this field and to promote the diverse applications of metasurfaces, Prof. Cheng Zhang (Huazhong University of Science and Technology, China) and Prof. Din-Ping Tsai (The Hong Kong Polytechnic University, China) are organizing a special issue on Recent Advances in Optical Metasurfaces
This special issue cover recent progress in both the physics and applications of optical metasurfaces operating from the microwave to the ultraviolet spectral range. Topics include, but not limited to: 
➣ Design and optimization of optical metasurfaces
➣ Light manipulation and wavefront shaping using metasurfaces
➣ Active and tunable metasurfaces
➣ Nonlinear optical metasurfaces
➣ Novel material platforms for optical metasurfaces
➣ Metasurface technology for shorter wavelength regions, such as the ultraviolet (UV), deep-UV or vacuum UV region
➣ Emerging applications of metasurfaces
➣ Low-cost and large-area fabrication of metasurfaces
Article types include: review, research, letter, perspective, and comment.

Guest Editors: 
Prof. Cheng Zhang, Huazhong University of Science and Technology, China
Prof. Din-Ping Tsai, The Hong Kong Polytechnic University, China

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Dual non-diffractive terahertz beam generators based on all-dielectric metasurface    

Chunyu LIU, Yanfeng LI, Xi FENG, Xixiang ZHANG, Jiaguang HAN, Weili ZHANG

Frontiers of Optoelectronics   0, ( ):0 - .

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