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PSK homodyne receiver sensitivity measurements at 1.5 μm

PSK homodyne receiver sensitivity measurements at 1.5 μm

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Measurements of the receiver sensitivity for an experimental optical PSK homodyne system, operating at 140 Mbit/s and at a wavelength of 1.52 μm, have given a 19 dB sensitivity improvement over direct detection, and at −64 dBm is approximately 2 dB away from the theoretically predicted value.

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