Miniaturized optical systems with planar form factors and low power consumption have many applications in wearable and mobile electronics, health monitoring devices, and as integral parts of medical and industrial equipment. Flat optical devices based on dielectric metasurfaces introduce a new approach for realization of such systems at low cost using conventional nanofabrication techniques. In this talk, I will present a summary of our recent work on dielectric metasurfaces that enable precise control of both polarization and phase with large transmission and high spatial resolution. Optical metasurface components such as high numerical aperture lenses, efficient wave plates, components with novel functionalities, and their potential applications will be discussed. I will also present the results of our efforts on optimizing and increasing the diffraction efficiency of metasurfaces. Furthermore, by using metasurface cameras and planar retroreflectors as examples, I will discuss a vertical on-chip integration platform that introduces a new architecture for the on-chip integration of conventional and novel optical systems and enables their low-cost manufacturing.
Amir Arbabi, Mahdad Mansouree, Ehsan Arbabi, Seyedeh Mahsa Kamali, Yu Horie, and Andrei Faraon, "Flat optics with dielectric metasurfaces (Conference Presentation)," Proc. SPIE 10541, Photonic and Phononic Properties of Engineered Nanostructures VIII, 1054109 (Presented at SPIE OPTO: January 29, 2018; Published: 14 March 2018); https://doi.org/10.1117/12.2297706.5751531024001.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon