1.024 Tb/s wavelength conversion in a silicon waveguide with reverse-biased p-i-n junction.
OPTICS EXPRESS(2017)
Abstract
We experimentally show an all-optical wavelength conversion of 8 x 32-GBd single-polarization 16QAM signals using a silicon nano-rib waveguide. The application of reverse biasing of the p-i-n junction of the waveguide allows a conversion efficiency of -8.5 dB with a measured 3-dB optical bandwidth of about 40 nm. Using digital coherent reception, it is shown that the receiver optical signal-to-noise ratio penalty, at a bit-error ratio of 1 x 10(-3), of the wavelength-converted signals over all eight channels was less than 0.6 dB with reference to their respective
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Key words
silicon waveguide,reverse-biased
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