Title

Low-Loss Coupling Between Two Single-Mode Optical Fibers With Different Mode-Field Diameters Using A Graded-Index Multimode Optical Fiber

Abstract

We present a method for ultra-low-loss coupling between two single-mode optical fibers with different mode-field diameters using multimode interference in a graded-index multimode optical fiber. We perform a detailed analysis of the interference effects and show that the graded-index fiber can also be used as a beam expander or condenser. The results are important for devices in which optical fibers with different mode-field diameters are coupled in series, such as in ultra-short-pulse fiber ring lasers, or in optical fiber communication links. © 2011 Optical Society of America.

Publication Date

9-15-2011

Publication Title

Optics Letters

Volume

36

Issue

18

Number of Pages

3596-3598

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.36.003596

Socpus ID

80052935797 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/80052935797

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