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The use of a Nyquist filter for reducing an optical signal bandwidth in a coherent QAM optical transmission

IEICE Electronics Express (2008) 5(1) 6-10
DOI: 10.1587/elex.5.6
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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 (12 Gbit/s) coherent signal over 150 km in an optical bandwidth of 1.5GHz. © IEICE 2008.

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Kasai, K., Hongo, J., Goto, H., Yoshida, M., & Nakazawa, M. (2008). The use of a Nyquist filter for reducing an optical signal bandwidth in a coherent QAM optical transmission. IEICE Electronics Express, 5(1), 6–10. https://doi.org/10.1587/elex.5.6

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