Spatially And Spectrally Resolved Gain Characterization Of Space-Division Multiplexing Amplifiers With Coherent Swept-Wavelength Reflectometry

Keywords

Few mode fiber amplifier; fiber-based multiplexer; mode selective; multi-core fiber amplifier; space division multiplexing; spatially and spectrally resolved gain; swept wavelength interferometer

Abstract

We directly measure the spatially and spectrally resolved gain of erbium doped multicore and few mode fiber amplifiers using a coherent swept wavelength interferometer operated in the reflection mode. It greatly simplifies the characterization of multispatial mode amplifiers because it enables characterization of the mode-dependent gain with only a single mode-selective multiplexer at the input. The gains for both multicore fiber amplifier and three spatial modes (LP01 and LP11) amplifier are measured. Measurements for multicore fiber amplifier are conducted using two pump schemes, core pump and cladding pump. Also, the comparison with the cutback experiments shows the validity of this technique.

Publication Date

2-15-2017

Publication Title

Journal of Lightwave Technology

Volume

35

Issue

4

Number of Pages

741-747

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/JLT.2016.2618599

Socpus ID

85015728545 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85015728545

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