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640-Gb/s OTDM RZ-DQPSK signal enabling 2.4-bit/s/Hz spectral efficiency and its detection with an EAM-based receiver

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6 Author(s)
Lothar Möller ; Bell Labs, Lucent Technologies, 791 Holmdel-Keyport RD, NJ 07733, USA ; Yikai Su ; Chongjin Xie ; Jurgen Gripp
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We demonstrate for the first time 640-Gb/s single-channel OTDM RZ-DQPSK signaling with record spectral efficiencies of 2.4 bit/s/Hz and up to 3.2 bit/s/Hz. The demonstrated data rate is the highest to date detected with an electro-absorption modulator (EAM) based receiver.

Published in:

2008 Asia Optical Fiber Communication & Optoelectronic Exposition & Conference

Date of Conference:

Oct. 30 2008-Nov. 2 2008