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Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points

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Polarisation-insensitive generation of complex vector modes from a digital micromirror device.

Carmelo Rosales-Guzmán¹, Xiao-Bo Hu², Adam Selyem³

¹Wang Da-Heng Collaborative Innovation Center for Quantum manipulation & Control, Harbin University of Science and Technology, Harbin, 150080, China. carmelorosalesg@hrbust.edu.cn.

Scientific Reports

|June 28, 2020

Summary

Researchers developed a new digital holography technique using Digital Micromirror Devices (DMDs) to generate complex vector light beams with precise polarization control. This method offers versatile generation and characterization of light fields for advanced optical applications.

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Area of Science:

Optics and Photonics
Quantum Information Science

Background:

Digital holography offers versatile generation of complex light fields.
Developing novel techniques for vector light beam generation is of increasing interest.

Purpose of the Study:

To introduce and detail a novel technique for generating complex vector light beams using Digital Micromirror Devices (DMDs).
To experimentally characterize the performance and quantitative analysis of the generated vector modes.

Main Methods:

Utilizing the polarization-insensitive attribute of Digital Micromirror Devices (DMDs).
Experimental reconstruction of transverse polarization distributions.
Quantitative analysis of generated modes, including ellipticity, flatness, and degree of concurrence.

Main Results:

Successful generation and characterization of arbitrary vector light modes.
Experimental results for polarization ellipse properties align with theoretical predictions.
Accurate determination of the degree of concurrence for non-separable vector modes.

Conclusions:

The proposed DMD-based digital holography technique provides a flexible and accurate method for generating and controlling complex vector light beams.
This technique enables precise manipulation of polarization states and degrees of non-separability, advancing optical beam generation capabilities.