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This paper proposes a novel manipulated rotating polarization switched quadrature phase shift keying (MR-PS-QPSK) technique, and correlated constant modulus algorithm (CMA). The latter utilizes the correlation between PS-QPSK symbols in X/Y polarizations to lock the phase of outputted X/Y signals. Then the X/Y signals are merged according to recovered switching bit, which suppresses the noise and...
We propose a fading-free direct detection method for transmission of complex-value OFDM signal in metro distances. By using two orthogonal optical carriers, an 82-Gb/s dual-band transmission is demonstrated over 320-km SSMF within only 30-GHz electrical bandwidth.
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