Frequency-domain intermodal interferometer for the bandwidth measurement of a multimode fiber

Tae Jung Ahn, Sucbei Moon, Soan Kim, Kyunghwan Oh, Dug Young Kim, Jens Kobelke, Kay Schuster, Johnnes Kirchhof

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A new bandwidth measurement technique for a multimode optical fiber (MMF) using a frequency-domain intermodal interferometer is proposed. We have demonstrated that the relative modal delay (HMD) of a MMF can be obtained easily and accurately based on an optical frequency-domain reflectometry (OFDR) technique by using an intermodal interference signal among the excited modes of a MMF. As an example, a photonic crystal fiber with a few modes is prepared and its RMD is measured by using our proposed measurement technique. Measurement results are compared with those from a previously reported frequency-domain method. We have also measured the RMD of a commercial MMF as a practical application and compared our result with the one obtained from a well-known time-domain differential mode delay measurement technique.

Original languageEnglish
Pages (from-to)8238-8243
Number of pages6
JournalApplied Optics
Volume45
Issue number32
DOIs
Publication statusPublished - 2006 Nov 10

Fingerprint

Multimode fibers
Interferometers
Optical fibers
interferometers
optical fibers
bandwidth
Bandwidth
fibers
Helmet mounted displays
helmet mounted displays
Photonic crystal fibers
Signal interference
photonics
interference
crystals

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Ahn, Tae Jung ; Moon, Sucbei ; Kim, Soan ; Oh, Kyunghwan ; Kim, Dug Young ; Kobelke, Jens ; Schuster, Kay ; Kirchhof, Johnnes. / Frequency-domain intermodal interferometer for the bandwidth measurement of a multimode fiber. In: Applied Optics. 2006 ; Vol. 45, No. 32. pp. 8238-8243.
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Ahn, TJ, Moon, S, Kim, S, Oh, K, Kim, DY, Kobelke, J, Schuster, K & Kirchhof, J 2006, 'Frequency-domain intermodal interferometer for the bandwidth measurement of a multimode fiber', Applied Optics, vol. 45, no. 32, pp. 8238-8243. https://doi.org/10.1364/AO.45.008238

Frequency-domain intermodal interferometer for the bandwidth measurement of a multimode fiber. / Ahn, Tae Jung; Moon, Sucbei; Kim, Soan; Oh, Kyunghwan; Kim, Dug Young; Kobelke, Jens; Schuster, Kay; Kirchhof, Johnnes.

In: Applied Optics, Vol. 45, No. 32, 10.11.2006, p. 8238-8243.

Research output: Contribution to journalArticle

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