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High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

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Silicon waveguide polarization rotator sampled Bragg grating.

Hideaki Okayama, Yosuke Onawa, Daisuke Shimura

|June 2, 2017

Summary

This summary is machine-generated.

We report the first experimental demonstration of a sampled Bragg grating with polarization rotator functionality. This silicon waveguide device achieved multiple polarization-independent reflection wavelength peaks.

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Area of Science:

Photonics and optical engineering
Integrated optics
Waveguide devices

Background:

Bragg gratings are fundamental components in optical systems for wavelength filtering and reflection.
Polarization control is crucial for many photonic applications, but achieving polarization-independent devices remains a challenge.

Purpose of the Study:

To experimentally demonstrate a novel sampled Bragg grating with integrated polarization rotator function.
To investigate the performance of silicon waveguides for polarization-manipulating optical components.

Main Methods:

Fabrication of a sampled Bragg grating using silicon-on-insulator (SOI) technology.
Experimental characterization of the device's optical response, focusing on reflection spectra and polarization behavior.

Main Results:

Successful implementation of a sampled Bragg grating exhibiting polarization rotator capabilities.
Observation of multiple, distinct reflection wavelength peaks.
Demonstration of polarization-independent operation across the measured reflection bands.

Conclusions:

The developed sampled Bragg grating represents a significant advancement in integrated photonic devices.
The silicon waveguide platform is suitable for creating polarization-controlling optical elements.
This technology holds potential for applications requiring polarization-independent wavelength manipulation.