450 Mbit/s optical frequency-division-multiplexing transmission with an 11 GHz channel spacing

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Abstract
A 450 Mbit/s 13 km optical frequency-division-multiplexing transmission with an 11 GHz channel spacing was demonstrated at 1.5 μm wavelength to confirm the feasibility of a laser-diode frequency-stabilising circuit and a narrow-channel-spaced optical demultiplexer.