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Accurate calibration of S2 and interferometry based multimode fiber characterization techniques

Accurate calibration of S2 and interferometry based multimode fiber characterization techniques
Accurate calibration of S2 and interferometry based multimode fiber characterization techniques
We present a novel method to validate the relative amount of power carried by high order modes in a multimode fiber using a Spatial and Spectral (S2) imaging technique. The method can be utilized to calibrate the S2 set-up and uses Fresnel reflections from a thin glass plate to compare theoretical values with experimental results. We have found that, in the most general case, spectral leakage and sampling errors can lead S2 to underestimate the multipath interference (MPI) of high order modes by several decibels, thus significantly impairing the result of the measurement. On the other hand, by applying suitable corrections as described in this work, we demonstrate that the S2 produces MPI estimates that are accurate to within 1dB or better.
1094-4087
10540-10552
Gray, D.R.
46319dbb-26c5-487b-af42-891e7b00e14f
Sandoghchi, S.R.
15499707-d3f2-42f1-90e2-cbe260462487
Wheeler, N.V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Baddela, N.K.
1a871ff8-f95d-495b-8b91-9d6ccd209528
Jasion, G.
16cfff1d-d178-41d1-a092-56e6239726b8
Petrovich, M.N.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Poletti, F.
9adcef99-5558-4644-96d7-ce24b5897491
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Gray, D.R.
46319dbb-26c5-487b-af42-891e7b00e14f
Sandoghchi, S.R.
15499707-d3f2-42f1-90e2-cbe260462487
Wheeler, N.V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Baddela, N.K.
1a871ff8-f95d-495b-8b91-9d6ccd209528
Jasion, G.
16cfff1d-d178-41d1-a092-56e6239726b8
Petrovich, M.N.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Poletti, F.
9adcef99-5558-4644-96d7-ce24b5897491
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Gray, D.R., Sandoghchi, S.R., Wheeler, N.V., Baddela, N.K., Jasion, G., Petrovich, M.N., Poletti, F. and Richardson, D.J. (2015) Accurate calibration of S2 and interferometry based multimode fiber characterization techniques. Optics Express, 23 (8), 10540-10552. (doi:10.1364/OE.23.010540).

Record type: Article

Abstract

We present a novel method to validate the relative amount of power carried by high order modes in a multimode fiber using a Spatial and Spectral (S2) imaging technique. The method can be utilized to calibrate the S2 set-up and uses Fresnel reflections from a thin glass plate to compare theoretical values with experimental results. We have found that, in the most general case, spectral leakage and sampling errors can lead S2 to underestimate the multipath interference (MPI) of high order modes by several decibels, thus significantly impairing the result of the measurement. On the other hand, by applying suitable corrections as described in this work, we demonstrate that the S2 produces MPI estimates that are accurate to within 1dB or better.

Full text not available from this repository.

More information

Accepted/In Press date: 9 April 2015
e-pub ahead of print date: 15 April 2015
Published date: 20 April 2015
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 376889
URI: https://eprints.soton.ac.uk/id/eprint/376889
ISSN: 1094-4087
PURE UUID: 9ba71ec4-b051-47d8-a87c-dfb5b01f1c5b
ORCID for S.R. Sandoghchi: ORCID iD orcid.org/0000-0003-2196-3167
ORCID for N.V. Wheeler: ORCID iD orcid.org/0000-0002-1265-9510
ORCID for G. Jasion: ORCID iD orcid.org/0000-0001-5030-6479
ORCID for M.N. Petrovich: ORCID iD orcid.org/0000-0002-3905-5901
ORCID for F. Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 11 May 2015 10:50
Last modified: 16 Jul 2019 01:12

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