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Optical Engineering

Loadable and erasable optical buffer based on a semiconductor optical amplifier with background noise suppression
Author(s): Songnian Fu; Liren Zhang; Ping Shum; Y. D. Gong
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Paper Abstract

A loadable and erasable fiber loop optical buffer based on a semiconductor optical amplifier (SOA) is presented. Two SOAs in our configuration not only provide nonlinear phase shift to implement buffer function, but also compensate for the propagation attenuation during long time storage. In particular, we present a simplified model to investigate the influence of background noise to the optical buffer performance. Both theoretical and experimental results reveal that the background noise can be suppressed by intentionally increasing the fiber loop loss. We also demonstrate that the packet pattern is well maintained after a storage time of 145 μs without self-oscillation.

Paper Details

Date Published: 1 February 2007
PDF: 4 pages
Opt. Eng. 46(2) 025006 doi: 10.1117/1.2541394
Published in: Optical Engineering Volume 46, Issue 2
Show Author Affiliations
Songnian Fu, Nanyang Technological Univ. (Singapore)
Liren Zhang, Nanyang Technological Univ. (Singapore)
Ping Shum, Nanyang Technological Univ. (Singapore)
Y. D. Gong, Nanyang Technological Univ. (Singapore)

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