IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
The use of a Nyquist filter for reducing an optical signal bandwidth in a coherent QAM optical transmission
Keisuke KasaiJumpei HongoHiroki GotoMasato YoshidaMasataka Nakazawa
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Volume 5 (2008) Issue 1 Pages 6-10

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Abstract

By introducing a Nyquist filter, we have successfully reduced a data signal bandwidth without intersymbol interference and transmitted a polarization-multiplexed 1Gsymbol/s, 64QAM(12Gbit/s) coherent signal over 150km in an optical bandwidth of 1.5GHz.

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© 2008 by The Institute of Electronics, Information and Communication Engineers
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