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Electro‐optic filter based on guided‐mode resonance for optical communication
Author(s) -
Ren Zhibin,
Sun Yahui,
Hu Jiasheng,
Zhang Shuqing,
Lin Zihao,
Zhi Xiyang
Publication year - 2018
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
ISSN - 1350-911X
DOI - 10.1049/el.2018.5034
Subject(s) - guided mode resonance , optical communication , optical filter , resonance (particle physics) , filter (signal processing) , mode (computer interface) , materials science , optoelectronics , optics , computer science , electronic engineering , physics , engineering , electrical engineering , particle physics , diffraction grating , grating , operating system
An electro‐optic filter based on guided‐mode resonance for optical communication has been designed and fabricated. The rigorous coupled‐wave analysis is used to calculate the reflection spectra of the designed filter. The grating structure of the filter is patterned by interference lithography with two ultraviolet laser beams. The polymer‐dispersed liquid crystal is injected into the gap between the glass substrate and the bottom of the grating to fabricate the electro‐optic filter. The measured spectra of the fabricated filter exhibit a 38.7 nm shift of the resonant reflected wavelength by controlling the applied voltage.

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