Single-carrier 1-Tb/s PDM-16QAM transmission using high-speed InP MUX-DACs and an integrated OTDM modulator

被引：17
|
作者：
Yamazaki, Hiroshi [1 ,2 ]
Sano, Akihide [1 ]
Nagatani, Munehiko [1 ,2 ]
Miyamoto, Yutaka [1 ]
机构：
[1] NTT Corp, NTT Network Innovat Labs, Yokosuka, Kanagawa 2390847, Japan
[2] NTT Corp, NTT Device Technol Labs, Atsugi, Kanagawa 2430198, Japan
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 10期
关键词：
D O I：
10.1364/OE.23.012866
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We generated a 1-Tb/s single-carrier PDM-16QAM signal using a single optical modulator with external PDM emulation. To achieve the high symbol rate of 125 Gbaud, we used high-speed InP MUX-DAC modules, each consisting of six 2: 1 MUXs and a 6-bit DAC in a single package, and an integrated optical modulator, which contains a generator of two orthogonal CSRZ pulse trains for spectrally efficient OTDM followed by IQ modulators for each tributary. The signal was received and demodulated without using any time-domain demultiplexing. Transmission over 80-km SSMF was demonstrated. (C) 2015 Optical Society of America
引用
收藏
页码：12866 / 12873
页数：8
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