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Updated: Dec 15, 2025

Optical Trapping of Nanoparticles
13:39

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Published on: January 15, 2013

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On-chip optical vortex-based nanophotonic detectors.

Alina Karabchevsky1

  • 1School of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 8410501 Israel.

Light, Science & Applications
|July 14, 2020
PubMed
Summary

Researchers developed an on-chip optical vortex detector using spin-Hall nanoslits. This device detects light beam spin, polarization, and phase singularity for integrated photonic applications.

Area of Science:

  • Photonics
  • Nanotechnology
  • Optical physics

Background:

  • Optical vortices carry orbital angular momentum, crucial for advanced optical applications.
  • Integrated photonic devices require miniaturized components for complex functionalities.
  • Detecting optical vortex properties like spin and phase is essential for their utilization.

Discussion:

  • The reported on-chip optical vortex detector utilizes spin-Hall nanoslits.
  • The device demonstrates sensitivity to the spin of incoming light beams.
  • Simultaneous recording of polarization and phase singularity is achieved.

Key Insights:

  • Successful demonstration of an on-chip optical vortex detector.
  • Integration of spin-Hall effect for optical vortex detection.
Keywords:
Integrated opticsSub-wavelength optics

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  • Simultaneous measurement of polarization and phase singularity.

    • Outlook:

    • Potential for advanced optical communication and sensing systems.
    • Further development to overcome limitations of surface plasmon decay.
    • Foundation for future compact and versatile integrated photonic devices.