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We demonstrate that broad-area vertical-cavity semiconductor optical amplifiers allow for wavelength conversion at 2.5Gb∕s via cross-gain modulation (XGM). XGM is reached with a saturation beam of only 1.5mW over an optical bandwidth of 0.7nm (215GHz). Depending on the wavelengths of the injected fields, inverted or noninverted output can be obtained.
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Marino et al. (2005) studied this question.
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