Ultra-broadband LP11 mode converter with high purity based on long-period fiber grating and an integrated Y-junction

Ultra-broadband LP11 mode converter with high purity based on long-period fiber grating and an integrated Y-junction

We report an ultra-broadband LP11 mode converter with high purity based on integrated two shunt-wound long-period fiber gratings (LPFGs) and an adiabatic Y-junction, together with a high-order-mode bandpass filter. Two shunt-wound LPFGs are inscribed by CO2 laser in a two-mode fiber to achieve a 10...

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Bibliographic Details
Main Authors: Dong, J. (Author), Fu, S. (Author), Huang, Q. (Author), Li, J. (Author), Peng, D. (Author), Qin, Y. (Author), Wang, X. (Author), Xu, O. (Author), Zheng, Z. (Author)
Format: Article
Language:English
Published: Optica Publishing Group (formerly OSA) 2022
Subjects:
Bandpass filters
Carbon dioxide lasers
CO 2 laser
Diffraction gratings
High order mode
High purity
Higher-order-mode
Long-period fibre gratings
Mode converter
S+C+L-bands
Two mode fibers
Ultra-broadband
Ultra-wideband (UWB)
Y-junctions
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