Related Experiment Video
Updated: Jun 10, 2026
07:56
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Polarization splitter based on interference effects in all-solid photonic crystal fibers.
Dong Mao1, Chunying Guan, Libo Yuan
1Photonics Research Center, College of Science, Harbin Engineering University, Harbin 150001, China.
Applied Optics
|July 22, 2010
Summary
We developed a new polarization splitter using all-solid photonic crystal fibers. This device effectively separates light polarizations with high extinction ratios and low crosstalk over a specific wavelength range.
Area of Science:
- Photonics
- Optical Fiber Technology
- Materials Science
Background:
- Polarization splitters are crucial optical components.
- Existing technologies face limitations in performance and integration.
- Photonic crystal fibers offer unique light manipulation properties.
Purpose of the Study:
- To propose and analyze a novel polarization splitter.
- To utilize mode interference effects in all-solid photonic crystal fibers.
- To achieve high-performance polarization splitting.
Main Methods:
- Design and analysis using full-vector finite-element method (FEM).
- Characterization via semi-vector three-dimensional beam propagation method (BPM).
- Numerical simulations to evaluate splitter performance.
Main Results:
- Complete separation of x-polarized and y-polarized modes achieved.
- Efficient splitting demonstrated over a 6.8 mm propagation length.
- High extinction ratios (>20 dB) and low crosstalk (< -20 dB) obtained between 1.541-1.556 µm.
Conclusions:
- The proposed all-solid photonic crystal fiber polarization splitter is effective.
- The device exhibits excellent performance metrics, including extinction ratio and crosstalk.
- This technology holds promise for advanced optical communication systems.
