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  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
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Enhancing Small-Signal Cross-Gain Modulation of Quantum-Dot Optical Amplifiers by Injecting Carriers to Excited States

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Abstract

We numerically and experimentally demonstrate that high-speed small-signal cross-gain modulation of quantum-dot optical amplifiers can be improved by injecting carriers to excited states, which increases the amplifier’s gain recovery time due to spectral hole burning.

© 2008 Optical Society of America

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