Mode-dependent loss measurement of a two-mode fiber using a conventional OTDR

Hirokazu Kubota; Yuji Miyoshi; Masaharu Ohashi; Takayoshi Mori; Takashi Matsui; Kazuhide Nakajima

doi:10.1587/comex.2016XBL0150

Hirokazu Kubota, Yuji Miyoshi, Masaharu Ohashi, Takayoshi Mori, Takashi Matsui, Kazuhide Nakajima

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Keywords: mode-dependent loss, two-mode fiber, OTDR, least-squares method, mode filter

JOURNAL FREE ACCESS

2016 Volume 5 Issue 11 Pages 429-434

DOI https://doi.org/10.1587/comex.2016XBL0150

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Abstract

We propose a mode-dependent transmission-loss measurement technique for a two-mode fiber (TMF) using nonlinear least-squares regression of the data obtained by a conventional optical time-domain reflectometer (OTDR). The transmission loss of a 15-km-long TMF is successfully estimated by neglecting mode-coupling during propagation.

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