12 May 2006 Complex constellation diagram measurement for optical communication
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Characterization of 10 Gb/s RZ-BPSK signal was demonstrated by measuring complex constellation diagram, chirp, and intensity profile using coherent homodyne detection with a cw local oscillator from the same laser source for optical data modulation. A new stabilization method was used for the homodyne detection. This measurement technique can be used for the characterization and diagnostic of a transmitter based on BPSK at transmission site.
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Inwoong Kim, Inwoong Kim, Kevin Croussore, Kevin Croussore, Guifang Li, Guifang Li, "Complex constellation diagram measurement for optical communication", Proc. SPIE 6243, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications II, 62430D (12 May 2006); doi: 10.1117/12.669739; https://doi.org/10.1117/12.669739

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