Alan She
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View article: Using the Belinfante momentum to retrieve the polarization state of light inside waveguides
Using the Belinfante momentum to retrieve the polarization state of light inside waveguides Open
Current day high speed optical communication systems employ photonic circuits using platforms such as silicon photonics. In these systems, the polarization state of light drifts due to effects such as polarization mode dispersion and nonli…
View article: Solid-Immersion Metalenses for Infrared Focal Plane Arrays
Solid-Immersion Metalenses for Infrared Focal Plane Arrays Open
Novel optical components based on metasurfaces (metalenses) offer a new methodology for microlens arrays. In particular, metalens arrays have the potential of being monolithically integrated with infrared focal plane arrays (IR FPAs) to in…
View article: Adaptive metalenses with simultaneous electrical control of focal length, astigmatism, and shift
Adaptive metalenses with simultaneous electrical control of focal length, astigmatism, and shift Open
Artificial muscle corrects metalens aberrations on the fly.
View article: Novel Devices for Dynamically Shaping the Wavefront and Polarization of Light
Novel Devices for Dynamically Shaping the Wavefront and Polarization of Light Open
Light, which provides the human eye with the sense of vision, is the basis for many key technologies used in everyday life, and the advanced control of which also benefits technological progress in other areas. The wavefront and polarizati…
View article: Large Area Electrically Tunable Lenses Based on Metasurfaces and Dielectric Elastomer Actuators
Large Area Electrically Tunable Lenses Based on Metasurfaces and Dielectric Elastomer Actuators Open
Tunable optical devices, in particular, varifocal lenses, have important applications in various fields, including imaging and adaptive vision. Recent advances in metasurfaces, which control the wavefront of light using subwavelength-space…
View article: High efficiency near diffraction-limited mid-infrared flat lenses based on metasurface reflectarrays
High efficiency near diffraction-limited mid-infrared flat lenses based on metasurface reflectarrays Open
We report the first demonstration of a mid-IR reflection-based flat lens with high efficiency and near diffraction-limited focusing. Focusing efficiency as high as 80%, in good agreement with simulations (83%), has been achieved at 45° inc…
View article: Parallel Polarization State Generation
Parallel Polarization State Generation Open
The control of polarization, an essential property of light, is of wide scientific and technological interest. The general problem of generating arbitrary time-varying states of polarization (SOP) has always been mathematically formulated …
View article: Parallel Polarization State Generation
Parallel Polarization State Generation Open
The control of polarization, an essential property of light, is of wide scientific and technological interest. The general problem of generating arbitrary time-varying states of polarization (SOP) has always been mathematically formulated …