New concept for a regenerative amplifier for passive optical networks

A. Tervonen; M. Mattila; W. Weiershausen; T. von Lerber; E. Parsons; H. Chaouch; F. Kueppers; S. Honkanen

doi:10.1117/12.876184

24 January 2011 New concept for a regenerative amplifier for passive optical networks

A. Tervonen, M. Mattila, W. Weiershausen, T. von Lerber, E. Parsons, H. Chaouch, F. Kueppers, S. Honkanen

Proceedings Volume 7959, Optical Metro Networks and Short-Haul Systems III; 79590A (2011) https://doi.org/10.1117/12.876184
Event: SPIE OPTO, 2011, San Francisco, California, United States

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.

Citation Download Citation

A. Tervonen, M. Mattila, W. Weiershausen, T. von Lerber, E. Parsons, H. Chaouch, F. Kueppers, and S. Honkanen "New concept for a regenerative amplifier for passive optical networks", Proc. SPIE 7959, Optical Metro Networks and Short-Haul Systems III, 79590A (24 January 2011); https://doi.org/10.1117/12.876184

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KEYWORDS

Optical amplifiers

Photodiodes

Photonics

Receivers

Signal attenuation

Amplitude shift keying

Amplifiers

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