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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

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Published on: April 1, 2020

Two-dimensional optical phased array antenna on silicon-on-insulator.

Karel Van Acoleyen1, Hendrik Rogier, Roel Baets

  • 1Department of Information Technology (INTEC) - Photonics Research Group, Ghent University - imec, Sint-Pietersnieuwstraat 41, Ghent, Belgium. karel.vanacoleyen@intec.ugent.be

Optics Express
|July 1, 2010
PubMed
Summary
This summary is machine-generated.

Silicon photonics enables integrated optical components for high-bandwidth wireless communication. This study presents a phased array antenna with wavelength steering, reducing the need for active phase modulators.

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Area of Science:

  • Optoelectronics
  • Photonics
  • Wireless Communication

Background:

  • Optical wireless links offer high bandwidth but rely on bulky components.
  • Silicon photonics presents a solution for miniaturizing optical components.

Purpose of the Study:

  • Investigate silicon photonics for integrated wireless optical communication components.
  • Present a two-dimensional phased array antenna using grating couplers.

Main Methods:

  • Fabrication of integrated silicon photonic components.
  • Utilized grating couplers for off-chip light coupling.
  • Implemented wavelength steering for beam control.

Main Results:

  • Achieved wavelength steering of 0.24 degrees/nm.
  • Demonstrated a steering range of 1.5 degrees.
  • Obtained a 3dB angular coverage of 0.007pi sr.
  • Reported directivity exceeding 38dBi with antenna losses below 3dB.

Conclusions:

  • Silicon photonics is a viable technology for compact optical wireless communication.
  • The developed phased array antenna offers efficient beam steering and high directivity.
  • Wavelength steering effectively reduces the complexity of active phase modulators.