Demonstration of simultaneous mode conversion and demultiplexing for mode and wavelength division multiplexing systems based on tilted few-mode fiber Bragg gratings | Zendy

Ya Gao | Zendy; Junqiang Sun | Zendy; Guodong Chen | Zendy; Chaotan Sima | Zendy

Open Access

Demonstration of simultaneous mode conversion and demultiplexing for mode and wavelength division multiplexing systems based on tilted few-mode fiber Bragg gratings

Author(s) -

Ya Gao,

Junqiang Sun,

Guodong Chen,

Chaotan Sima

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.009959

Subject(s) - optics , fiber bragg grating , multiplexing , wavelength division multiplexing , materials science , mode scrambler , long period fiber grating , coupled mode theory , radiation mode , wavelength , transmission (telecommunications) , optoelectronics , single mode optical fiber , optical fiber , physics , refractive index , multi mode optical fiber , plastic optical fiber , telecommunications , computer science

We experimentally demonstrate mode conversion by exploiting optical reflection of tilted few-mode fiber Bragg grating (FM-FBG). Mode conversions from LP(01) mode to higher symmetric and asymmetric modes are achieved, and more than 99.5% conversion efficiency from LP(01) to LP(11) mode is obtained using a 1.6°-tilted FM-FBG. Influences of the weakly tilted FM-FBG parameters on the property of mode conversion is analyzed and discussed. A simultaneous mode conversion and demultiplexing scheme for 4-mode × 3-wavelength multiplexing transmission is proposed and the modal crosstalk is analyzed based on the transmission spectra of the tilted FM-FBGs. The proposed approach shows potential applications in mode and wavelength division multiplexing communication systems.

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