Optical transmission using PSK-modulated subcarriers at frequencies to 16 GHz
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The use of a 1.3 μm InGaAsP constricted mesa laser to transmit microwave subcarriers at frequencies from 3 GHz to 16 GHz is described. The subcarriers are phase-modulated at 2 Gbit/s and the error rate is measured for transmission over 34 km. The effect of laser intensity noise on the system transmission is described.
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