Abstract

The quest for an optical transmitter with high modulation efficiency and low intensity noise is motivated, among other things, by the fact that the Noise Figure of an analog optical transmission link—a measure of its fidelity—is proportional to the quotient (intensity noise)/(modulation efficiency). Gain-lever is an effect which utilizes the highly sublinear nature of the quantum well gain characteristic to accomplish very high modulation efficiencies in intensity modulation (IM) and frequency modulation (FM), as well as broad wavelength tunability.1-5

© 1991 Optical Society of America

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