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

IEICE Electronics Express

Jumpei Hongo¹  Keisuke Kasai¹  Masataka Nakazawa¹  Masato Yoshida¹  Hiroki Goto¹ 

[1] Research Institute of Electrical Communication, Tohoku University

关键词: coherent transmission;    QAM;    Nyquist filter;    frequency-stabilized laser;   

DOI  :  10.1587/elex.5.6

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(9)Cited-By(4)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.

【 授权许可】

Unknown