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Proceedings Paper

New concept for a regenerative amplifier for passive optical networks
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Paper Abstract

Photonic balancing - a scheme where logically opposite pulses derived from the two outputs of a delay-line demodulator for phase shift keyed (PSK) signals counter-propagate in the saturated regime of a semiconductor optical amplifier (SOA) - has been proven to enhance the receiver performance, e.g. in terms of decreased optical signal-to-noise-ratio (OSNR) requirements for a given target bit error ratio (BER). Here, we extend the photonic balancing scheme towards a new concept for a regenerative amplifier targeted at extending the reach and/or the number of subscribers in passive optical networks (PON) in order to support major operators' plans to reduce the number of central offices and access areas by approximately 90%. For a given target BER, we demonstrate experimentally (a) an 8-dB higher post-amplifier loss tolerance, (b) an extended feeder line length (75 km) combined with high splitting ratio (10 layers) for a preamplified version, and (c) high input power variation tolerance (> 30 dB burst-to-burst) in upstream direction as needed for highly asymmetric tree structures.

Paper Details

Date Published: 24 January 2011
PDF: 6 pages
Proc. SPIE 7959, Optical Metro Networks and Short-Haul Systems III, 79590A (24 January 2011); doi: 10.1117/12.876184
Show Author Affiliations
A. Tervonen, Luxdyne, Ltd. (Finland)
Aalto Univ. (Finland)
M. Mattila, Luxdyne, Ltd. (Finland)
Aalto Univ. (Finland)
W. Weiershausen, Luxdyne, Ltd. (Finland)
T. von Lerber, Luxdyne, Ltd. (Finland)
Darmstadt Univ. of Technology (Germany)
E. Parsons, College of Optical Sciences, The Univ. of Arizona (United States)
H. Chaouch, College of Optical Sciences, The Univ. of Arizona (United States)
F. Kueppers, College of Optical Sciences, The Univ. of Arizona (United States)
Darmstadt Univ. of Technology (Germany)
S. Honkanen, Aalto Univ. (Finland)


Published in SPIE Proceedings Vol. 7959:
Optical Metro Networks and Short-Haul Systems III
Werner Weiershausen; Benjamin Dingel; Achyut Kumar Dutta; Atul K. Srivastava, Editor(s)

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