Work

Achromatic linear polarization rotator for optical communication wavelength range

Year: 2025

Type: article

Abstract: For optical communication technologies, polarization control can be used to extend the dimension of data loading. However, most polarization controlling devices for optical communication suffer from severe dispersion, leading to signal loss. In this study, a hybrid-splay twisted liquid crystal (HST-LC) is utilized to achieve linear polarization rotation in the communication wavelength range (1260-1675 nm). To make a HST-LC more practical for most optical applications, the twisting angle of the HST-LC is enlarged to optimize the voltage required for rotating the input linear polarization by 90°. Also, the rotation angle range is optimized to satisfy the essential requirement for polarization applications (covering 0° to 135°). Additionally, the achromatic modulation of linear polarization in the optical communication range is confirmed.

Source: Optics Express

DOI: 10.1364/oe.572375

Authors: Jin-Yu Chen, Li-Min Chang, Tsung-Hsien Lin

Language: English

Topic: Liquid Crystal Research Advancements

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,270

Funder: National Science and Technology Council

Awards: Reconfigurable and Designable Structurally-Nonlinear Materials for Photonic Neuromorphic Applications, Study of the Dynamics of Liquid Crystal Random Phase for Optical Speckle and Its Application in Optical Computing.