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Design of broadband LP01↔LP02 mode converter based on special dual-core fiber for dispersion compensation.

Authors
  • Lin, Ganbin1
  • Dong, Xiaopeng
  • 1 Institute of Lightwave Technology, School of Information Science and Technology, Xiamen University, Xiamen, Fujian 361005, China. , (China)
Type
Published Article
Journal
Applied Optics
Publisher
The Optical Society
Publication Date
Jul 01, 2012
Volume
51
Issue
19
Pages
4388–4393
Identifiers
DOI: 10.1364/AO.51.004388
PMID: 22772111
Source
Medline
License
Unknown

Abstract

A novel broadband LP01↔LP02 mode converter for dispersion compensation based on special dual-core fiber is theoretically investigated by using the coupled-mode theory. The simulated mode converter has ∼22 nm bandwidth with a conversion efficiency of over 80%. Furthermore, this noncomplete conversion only introduces the insertion loss rather than multipath interference resulting from the residual LP01 mode. Finally, one optimal scheme for broadening the bandwidth of high-efficiency conversion has been proposed by longitudinally tapering the dual-core fiber. The simulation results show that the conversion bandwidth can be improved to ∼31 nm by tapering with a scaling range of only 2%.

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