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Updated: Jul 5, 2026

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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Hollow-core photonic bandgap fiber polarizer
1Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
Optics Letters
|April 17, 2008
Abstract:
Broadband, compact in-fiber polarizers were fabricated using a pulsed CO(2) laser to modify the air holes along one side of the hollow-core photonic bandgap fibers. The polarizers have lengths from 3 to 6 mm and exhibit a polarization extinction ratio of better than 20 dB over a wavelength range larger than 100 nm at approximately 1,550 nm.

