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Increasing efficiency of high numerical aperture metasurfaces using the grating averaging technique
Amir Arbabi, Ehsan Arbabi, Mahdad Mansouree +4
One of the important advantages of optical metasurfaces over conventional diffractive optical elements is their capability to efficiently deflect light by large angles. However, me…
Compact Folded Metasurface Spectrometer
MohammadSadegh Faraji-Dana, Ehsan Arbabi, Amir Arbabi +3
Recent advances in optical metasurfaces enable control of the wavefront, polarization and dispersion of optical waves beyond the capabilities of conventional diffractive optics. An…
A review of dielectric optical metasurfaces for wavefront control
Seyedeh Mahsa Kamali, Ehsan Arbabi, Amir Arbabi +1
During the past few years, metasurfaces have been used to demonstrate optical elements and systems with capabilities that surpass those of conventional diffractive optics. Here we…
Full Stokes imaging polarimetry using dielectric metasurfaces
Ehsan Arbabi, Seyedeh Mahsa Kamali, Amir Arbabi +1
Polarization is a degree of freedom of light carrying important information that is usually absent in intensity and spectral content. Imaging polarimetry is the process of determin…
Angle-multiplexed metasurfaces: encoding independent wavefronts in a single metasurface under different illumination angles
Seyedeh Mahsa Kamali, Ehsan Arbabi, Amir Arbabi +3
The angular response of thin diffractive optical elements is highly correlated. For example, the angles of incidence and diffraction of a grating are locked through the grating mom…
Orbital Angular Momentum-based Space Division Multiplexing for High-capacity Underwater Optical Communications
Yongxiong Ren, Long Li, Zhe Wang +14
To increase system capacity of underwater optical communications, we employ the spatial domain to simultaneously transmit multiple orthogonal spatial beams, each carrying an indepe…