Polarization conversion of a flexible chiral optical fiber in the terahertz band
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Updated: Nov 1, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
Published on: February 28, 2016
Peng-Fei Li1, Zhi-Yong Tan2,3, Yu-Min Xia4
1College of Physics, Donghua University, Shanghai 201620, China.
Abstract:
A flexible chiral fiber with rotational symmetry for photonic applications in the terahertz band was fabricated and characterized. The fiber was made of polypropylene using the melt spinning process and consists of one hollow core surrounded by eight hollow semi-rings, exhibiting good transmission characteristics at 4.3 THz. Moreover, such a structured fiber can efficiently convert a linearly polarized wave into an elliptically polarized wave. As the fiber is flexible and can be easily manufactured at low cost, it has potential applications in a variety of terahertz systems, including next-generation communications, polarization-sensitive devices, and imaging.
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