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512 QAM (54 Gbit/s) coherent optical transmission over 150 km with an optical bandwidth of 4.1 GHz

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6 Author(s)
Okamoto, S. ; Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan ; Toyoda, K. ; Omiya, T. ; Kasai, K.
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We report the first demonstration of 512 QAM coherent optical transmission by using an optical PLL. A polarisation-multiplexed 54 Gbit/s data signal was successfully transmitted at 3 Gsymbol/s with an optical bandwidth of 4.1 GHz including a tone signal.

Published in:

Optical Communication (ECOC), 2010 36th European Conference and Exhibition on

Date of Conference:

19-23 Sept. 2010