Bit error rate measurement at 2.5Gbit/s on single and multiple input wavelength converted signals using double pump four wave mixing in a semiconductor optical amplifier has been performed. It is found that the wavelength converted signal can be made wavelength insensitive for single input for detuning from -30nm to 15nm. Multiple-input wavelength conversion using low pump powers has also been demonstrated for the first time with a low penalty of about 1.5 dB.

© 1999 Optical Society of America

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