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Photonics 2014, 1(1), 33-46; doi:10.3390/photonics1010033
Article

Signal to Noise Ratio (SNR) Enhancement Comparison of Impulse-, Coding- and Novel Linear-Frequency-Chirp-Based Optical Time Domain Reflectometry (OTDR) for Passive Optical Network (PON) Monitoring Based on Unique Combinations of Wavelength Selective Mirrors

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Received: 28 November 2013 / Revised: 13 January 2014 / Accepted: 16 January 2014 / Published: 20 March 2014
(This article belongs to the Special Issue All Optical Networks for Communications)
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Abstract

We compare optical time domain reflectometry (OTDR) techniques based on conventional single impulse, coding and linear frequency chirps concerning their signal to noise ratio (SNR) enhancements by measurements in a passive optical network (PON) with a maximum one-way attenuation of 36.6 dB. A total of six subscribers, each represented by a unique mirror pair with narrow reflection bandwidths, are installed within a distance of 14 m. The spatial resolution of the OTDR set-up is 3.0 m.
Keywords: optical time domain reflectometry (OTDR); passive optical network (PON); fiber-to-the-home (FTTH); simplex-/golay-coding; maintenance; monitoring; fault detection optical time domain reflectometry (OTDR); passive optical network (PON); fiber-to-the-home (FTTH); simplex-/golay-coding; maintenance; monitoring; fault detection
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bentz, C.M.; Baudzus, L.; Krummrich, P.M. Signal to Noise Ratio (SNR) Enhancement Comparison of Impulse-, Coding- and Novel Linear-Frequency-Chirp-Based Optical Time Domain Reflectometry (OTDR) for Passive Optical Network (PON) Monitoring Based on Unique Combinations of Wavelength Selective Mirrors. Photonics 2014, 1, 33-46.

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