Coherent WDM transmission using quantum-dash mode-locked laser diodes as multi-wavelength source and local oscillator

被引：39
作者：
Kemal, Juned N. [1 ]
Marin-Palomo, Pablo [1 ]
Panapakkam, Vivek [2 ]
Trocha, Philipp [1 ]
Wolf, Stefan [1 ]
Merghem, Kamel [3 ]
Lelarge, Francois [4 ]
Ramdane, Abderrahim [2 ]
Randel, Sebastian [1 ]
Freude, Wolfgang [1 ]
Koos, Christian [1 ,5 ]
机构：
[1] KIT, Inst Photon & Quantum Elect IPQ, Karlsruhe, Germany
[2] Univ Paris Sud, Univ Paris Saclay, C2N, CNRS, Paris, France
[3] Inst Mines Telecom, Telecom SudParis, Evry, France
[4] Almae Technol, Marcoussis, France
[5] KIT, IMT, Karlsruhe, Germany
来源：
OPTICS EXPRESS | 2019年 / 27卷 / 22期
基金：
欧盟地平线“2020”; 欧洲研究理事会; 欧盟第七框架计划;
关键词：
OPTICAL FREQUENCY COMB; PERFORMANCE; TEMPERATURE; RECOVERY;
D O I：
10.1364/OE.27.031164
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Quantum-dash (QD) mode-locked laser diodes (MLLD) lend themselves as chip-scale frequency comb generators for highly scalable wavelength-division multiplexing (WDM) links in future data-center, campus-area, or metropolitan networks. Driven by a simple DC current, the devices generate flat broadband frequency combs, containing tens of equidistant optical tones with line spacings of tens of GHQ. Here we show that QD-MLLDs can not only be used as multi-wavelength light sources at a WDM transmitter, but also as multi-wavelength local oscillators (LO) for parallel coherent reception. In our experiments, we demonstrate transmission of an aggregate net data rate of 3.9 Tbit/s (23 x 45 GBd PDM-QPSK, 7% FEC overhead) over 75 km standard single-mode fiber (SSMF). To the best of our knowledge, this represents the first demonstration of a coherent WDM link that relies on QD-MLLD both at the transmitter and the receiver. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：31164 / 31175
页数：12
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