Direct Demodulation of Optical BPSK/QPSK Signals without Digital Signal Processing
Короткий опис(реферат)
We experimentally demonstrate the coherent detection of 5-Gbd/s BPSK/QPSK signal by direct phase compensation of the phase noise without using a sophisticated digital signal processing algorithm. The phase compensation is achieved by applying simply an error signal to a phase modulator located at the local oscillator for coherent detection, where the error signal is generated to keep the same power level for binary or quadrature signal.
Keywords
Phase noise, BPSK, QPSK, coherent detection, coherent optical communicationDocument type
Peer reviewedDocument version
Final PDFSource
Radioengineering. 2018 vol. 27, č. 4, s. 942-947. ISSN 1210-2512https://www.radioeng.cz/fulltexts/2018/18_04_0942_0947.pdf
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