Makovejs, S and Millar, DS and Mikhailov, V and Gavioli, G and Killey, RI and Savory, SJ and Bayvel, P (2010) Novel Method of Generating QAM-16 Signals at 21.3 Gbaud and Transmission Over 480 km. IEEE PHOTONIC TECH L , 22 (1) 36 - 38. 10.1109/LPT.2009.2035633.
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In this letter, we report on a novel method of generating a square quadrature amplitude modulation (QAM-16) signal at 21.3 Gbaud and its subsequent transmission over 480 km. The proposed scheme generates a QAM-16 signal by optically processing a quadrature phase-shift-keying signal using a phase-stabilized fiber interferometer. We also discuss the inherent advantages and limitations of optical and electrical generation methods of QAM-16 signals, and digital signal processing algorithms used in the experiment.
|Title:||Novel Method of Generating QAM-16 Signals at 21.3 Gbaud and Transmission Over 480 km|
|Keywords:||Advanced optical modulation formats, coherent detection, optical signal processing, quadrature amplitude modulation (QAM)|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering|
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