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Related Experiment Video

Updated: May 14, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Terahertz polarization conversion with quartz waveplate sets.

Andrey K Kaveev1, Grigory I Kropotov, Ekaterina V Tsygankova

  • 1TYDEX J. S. Co., St. Petersburg, Russia. andreykaveev@tydex.ru

Applied Optics
|February 7, 2013
PubMed
Summary
This summary is machine-generated.

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Researchers developed an achromatic polarization converter and a terahertz waveplate (WP) using birefringent plates. Calculations considered interference effects, especially with air gaps, and explored WP-based spectrum analyzer designs.

Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Birefringent plates are essential optical components.
  • Achieving achromatic polarization control and efficient terahertz wave manipulation requires advanced designs.
  • Interference effects in multi-plate systems can significantly impact performance.

Purpose of the Study:

  • To design and experimentally validate an achromatic polarization converter.
  • To develop and test a composite terahertz waveplate (WP).
  • To investigate the feasibility of using WPs for spectrum analysis.

Main Methods:

  • Numerical calculations incorporating interference effects.
  • Experimental fabrication and testing of polarization converters and WPs.
  • Analysis of plate separation and birefringence axis orientation.

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Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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Last Updated: May 14, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Main Results:

  • Successful calculation and experimental verification of an achromatic polarization converter.
  • Demonstration of a composite terahertz waveplate with tunable properties.
  • Interference effects were accurately modeled and found to be significant with air gaps.

Conclusions:

  • The proposed design enables achromatic polarization conversion.
  • Composite terahertz waveplates can be effectively realized using birefringent plates.
  • The study highlights the potential for WP-based terahertz spectrum analyzers.