Broadband mode division multiplexer using all-fiber mode selective couplers (AH) 박경준-제1및 교신저자

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We report an all-fiber mode division multiplexer formed with cascaded mode selective couplers with significantly broadened bandwidth potentially spanning S, C and L band. This was achieved by matching the effective refractive indices over a wide wavelength range for the few mode fiber and the single mode fiber used in the coupler. The multiplexer provides high coupling efficiency (>55% for the worst case) for the 4 spatial modes over the entire wavelength range of 1515-1590 nm. The all-fiber construction provides mechanical stability. Experimental results for the coupling efficiency and the mode extinction ratio for each spatial mode are presented along with the far field radiation patterns.
Publisher
OPTICAL SOC AMER
Issue Date
2016-02
Language
English
Article Type
Article
Citation

OPTICS EXPRESS, v.24, no.4, pp.3543 - 3549

ISSN
1094-4087
DOI
10.1364/OE.24.003543
URI
http://hdl.handle.net/10203/208342
Appears in Collection
PH-Journal Papers(저널논문)
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