Design of Silicon Nitride Based TE-Pass Polarizer at 850 nm for Integrated Fiber Optic Gyroscope

In recent years, the rapid development of integrated optics provides a novel approach to realize miniaturized and lightweight fiber optic gyroscope (FOG). This paper proposes a TE-pass polarizer based on the silicon nitride on insulator (SNOI) platform operating at 850 nm, whose insertion loss is lo...

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Bibliographic Details
Published in:IEEE photonics journal 2024-10, Vol.16 (5), p.1-10
Main Authors: Guo, Zhiyu, Song, Ningfang, Kong, Linghai, Jin, Jing, Zhang, Zuchen
Format: Article
Language:English
Subjects:
fiber optic gyroscope
Integrated optics
Lithium niobate
Modulation
Optical polarization
Optical waveguides
Rectangular waveguides
Refractive index
Silicon
TE-pass polarizer
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Summary:In recent years, the rapid development of integrated optics provides a novel approach to realize miniaturized and lightweight fiber optic gyroscope (FOG). This paper proposes a TE-pass polarizer based on the silicon nitride on insulator (SNOI) platform operating at 850 nm, whose insertion loss is lower than 1.02 dB with the polarization extinction ratio (PER) larger than 47 dB. The proposed polarizer could directly edge-couple to the thin film lithium niobate (TFLN) modulator with a negligible loss (
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2024.3439349