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Related Experiment Video

Updated: Jul 12, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

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

Published on: September 5, 2019

Integrated photonic polarization synthesizer and analyzer.

Carson G Valdez1, Anna J Miller2, Anne R Kroo2

  • 1Stanford University, Ginzton Laboratory, 348 Via Pueblo Mall, Stanford, CA, 94305, USA. carsongv@stanford.edu.

Light, Science & Applications
|July 10, 2026
PubMed
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This study introduces a photonic integrated circuit for generating and analyzing arbitrary light polarization states. The chip-based system enables advanced polarization control and measurement for photonic applications.

Area of Science:

  • Photonics
  • Integrated Optics
  • Quantum Information Science

Background:

  • Polarization-resolved control and measurement are critical for coherent communication, polarimetric sensing, and quantum information processing.
  • Current methods often require bulky external optics and direct detection, limiting integration and subsequent optical processing.

Purpose of the Study:

  • To present a novel photonic integrated circuit (PIC) architecture for arbitrary polarization state generation and analysis.
  • To demonstrate a chip-based solution for reconfigurable access to the full polarization degree of freedom of coherent light.

Main Methods:

  • Developed a PIC architecture enabling on-chip polarization generation and analysis.
  • Experimentally demonstrated arbitrary polarization state generation across the Poincaré sphere.

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Last Updated: Jul 12, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

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

Published on: September 5, 2019

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

  • Implemented Stokes vector measurement inferred from phase settings of interferometrically combined fields, avoiding direct detection.

    • Main Results:

    • Achieved arbitrary polarization state generation and Stokes vector measurement on a single integrated platform.
    • The PIC utilizes phase settings for polarization analysis, preserving the optical signal for further processing.
    • Fabricated using CMOS-compatible processes for scalable and reproducible integration.

    Conclusions:

    • The presented PIC offers a compact, stable, and integrated solution for polarization control and analysis.
    • Eliminates the need for external polarization optics, paving the way for robust, polarization-enabled photonic integrated systems.
    • Enables scalable and reproducible integration for diverse photonic applications.