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Time-Spectral based Polarization-Encoding for Spatial-Temporal Super-Resolved NSOM Readout.


ABSTRACT: Detection of evanescent waves through Near-field Scanning Optical Microscopy (NSOM) has been simulated in the past, using Finite Elements Method (FEM) and 2D advanced simulations of a silicon Schottky diode, shaped as a truncated trapezoid photodetector, and sharing a subwavelength pin hole aperture. Towards enhanced resolution and next applications, the study of polarization's influence was added to the scanning. The detector has been horizontally shifted across a vertically oriented Gaussian beam while several E-field modes, are projected on the top of the device. Both electrical and electro-optical simulations have been conducted. These results are promising towards the fabrication of a new generation of photodetector devices which can serve for Time-Spectral based Polarization-Encoding for Spatial-Temporal Super-Resolved NSOM Readout, as developed in the study.

SUBMITTER: Karelits M 

PROVIDER: S-EPMC6739407 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Time-Spectral based Polarization-Encoding for Spatial-Temporal Super-Resolved NSOM Readout.

Karelits Matityahu M   Mandelbaum Yaakov Y   Zalevsky Zeev Z   Karsenty Avi A  

Scientific reports 20190911 1


Detection of evanescent waves through Near-field Scanning Optical Microscopy (NSOM) has been simulated in the past, using Finite Elements Method (FEM) and 2D advanced simulations of a silicon Schottky diode, shaped as a truncated trapezoid photodetector, and sharing a subwavelength pin hole aperture. Towards enhanced resolution and next applications, the study of polarization's influence was added to the scanning. The detector has been horizontally shifted across a vertically oriented Gaussian b  ...[more]

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