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Improved analog optical link performance with quantum phase amplification

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Abstract

A degenerate parametric amplifier at the transmitter can improve the power efficiency of a small-signal phase-modulated optical transmission system by acting as a phase amplifier. For a parametric power gain H, the total transmitter power requirement is reduced by a factor of H2 compared with that of a conventional phase-modulated system.

© 2000 Optical Society of America

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