For 1-dB SNR penalty, QPSK signal may tolerate up to a crosstalk ratio of -16.3 dB from a single interferer from the worst polarization alignment. Published in: Journal of Lightwave Technology ( ...

A 400-MHz phase-mux-based O-QPSK transmitter (TX) for medical imaging applications is presented in this paper. The modulation signal is generated by selecting one of the four quadrature phases to the ...