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Linearity and nonlinearity of quantum-dot semiconductor optical amplifiers

✍ Scribed by Xiaotao Guo; Zhongyuan Yu; Yumin Liu; Donglin Wang; Xin Li

Book ID
108232076
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
418 KB
Volume
283
Category
Article
ISSN
0030-4018

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We show for quantum dot (QD) semiconductor optical amplifiers (SOAs) operating in the regime where the gain is maximized, that gain saturation due to carrier depletion can be eliminated by increasing the SOA pump current density. At high pump currents, gain saturation in QD SOAs is then due to spect