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Strongly nonreciprocal power transmission in a mechanical fiber‐mode converter and an asymmetric fiber
Author(s) -
Chen Zhihao,
Peng Jiangde,
Gu Donghua
Publication year - 2000
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/1098-2760(20001205)27:5<291::aid-mop1>3.0.co;2-n
Subject(s) - materials science , polarization maintaining optical fiber , mode volume , dispersion shifted fiber , tapering , fiber , graded index fiber , optoelectronics , optics , fiber optic sensor , physics , computer science , composite material , computer graphics (images)
The authors propose an all‐fiber nonreciprocal component that allows strongly nonreciprocal power transmission without an external magnetic field. The component is made of a mechanical fiber‐mode converter and an asymmetric fiber. The asymmetric fiber made of a few‐mode fiber and a single‐mode fiber is fabricated by the fuse‐and‐tapering technique. The mechanism of nonreciprocal transmission is based on the polarization isolation of the mechanical fiber‐mode converter. The strongly nonreciprocal power transmission of the proposed device operated at 980 nm is experimentally demonstrated. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 27: 291–292, 2000.