Beyond amplitude-only detection for digital coherent system using directly modulated laser
Date
2015
Authors
Hu, Q.
Che, D.
Wang, Y.
Li, A.
Fang, J.
Shieh, W.
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Journal article
Citation
Optics Letters, 2015; 40(12):2762-2765
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Abstract
We report the first experiment of digital coherent detection of directly modulated signals that utilizes both phase and amplitude of the signals. A novel algorithm is proposed to take advantage of simultaneous detection of both phase and amplitude of the modulated signal. Using our proposed scheme, the experiment shows 6-dB improvement over the amplitude-only detection scheme.
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Copyright 2015 Optical Society of America