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

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

Technische Universität Dortmund, Chair for High Frequency Technology, Friedrich-Wöhler-Weg 4, Dortmund 44221, Germany
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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
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

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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