Quantum dash multi-wavelength lasers for Tbit/s coherent communications and 5G wireless networks

IF 1.9 4区物理与天体物理 Q3 OPTICS

Journal of the European Optical Society-Rapid Publications Pub Date : 2021-06-13 DOI:10.1186/s41476-021-00156-9

Zhenguo Lu, Jiaren Liu, Youxin Mao, Khan Zeb, Guocheng Liu, Philip J. Poole, John Weber, Mohamed Rahim, Grzegorz Pakulski, Chunying Song, Martin Vachon, Pedro Barrios, Daniel Poitras, Shurui Wang, Weihong Jiang

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引用次数: 2

Abstract

We report on the design, growth, fabrication, and performance of InAs/InP quantum dash (QD) multi-wavelength lasers (MWLs) developed by the National Research Council (NRC) Canada. The key technical specifications investigated include optical and RF beating spectra, relative intensity noise (RIN), and optical phase noise of each individual wavelength channel. Data bandwidth transmission capacity of 5.376 Tbit/s and 10.8 Tbit/s respectively in the PAM-4 and 16-QAM modulation formats are demonstrated using only a single C-band QD 34.2-GHz MWL chip. We have also developed a monolithic InAs/InP QD dual-wavelength (DW) DFB laser as a compact optical beat source to generate millimeter-wave (MMW) signals. Due to the common cavity, highly coherent and correlated optical modes with optical linewidth as low as 15.83?kHz, spectrally pure MMW signals around 46.8?GHz with a linewidth down to 26.1?kHz were experimentally demonstrated. By using this QD DW-DFB laser, a one GBaud (2 Gbps) MMW over-fiber transmission link is demonstrated with PAM-4 signals. The results show that the demonstrated device is suitable for high speed high capacity MMW fiber-wireless integrated fronthaul of 5G networks.

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用于Tbit/s相干通信和5G无线网络的量子冲刺多波长激光器

本文报道了由加拿大国家研究委员会(NRC)开发的InAs/InP量子冲刺(QD)多波长激光器(MWLs)的设计、生长、制造和性能。研究的关键技术指标包括光和射频跳动谱、相对强度噪声(RIN)和每个单独波长通道的光相位噪声。在PAM-4和16-QAM调制格式下，仅使用单个c波段QD 34.2 ghz MWL芯片，数据带宽传输容量分别为5.376 Tbit/s和10.8 Tbit/s。我们还开发了单片InAs/InP量子点双波长(DW) DFB激光器，作为紧凑型光拍源，产生毫米波(MMW)信号。由于共腔，高相干和相关的光学模式，光线宽低至15.83?kHz，频谱纯毫米波信号约46.8?线宽降至26.1 GHz ?千赫被实验证明。通过使用该QD DW-DFB激光器，演示了一个1 GBaud (2 Gbps)毫米波的PAM-4信号光纤传输链路。结果表明，该装置适用于5G网络高速大容量毫米波光纤无线综合前传。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of the European Optical Society-Rapid Publications 物理-光学

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

5 weeks

期刊介绍： Rapid progress in optics and photonics has broadened its application enormously into many branches, including information and communication technology, security, sensing, bio- and medical sciences, healthcare and chemistry. Recent achievements in other sciences have allowed continual discovery of new natural mysteries and formulation of challenging goals for optics that require further development of modern concepts and running fundamental research. The Journal of the European Optical Society – Rapid Publications (JEOS:RP) aims to tackle all of the aforementioned points in the form of prompt, scientific, high-quality communications that report on the latest findings. It presents emerging technologies and outlining strategic goals in optics and photonics. The journal covers both fundamental and applied topics, including but not limited to: Classical and quantum optics Light/matter interaction Optical communication Micro- and nanooptics Nonlinear optical phenomena Optical materials Optical metrology Optical spectroscopy Colour research Nano and metamaterials Modern photonics technology Optical engineering, design and instrumentation Optical applications in bio-physics and medicine Interdisciplinary fields using photonics, such as in energy, climate change and cultural heritage The journal aims to provide readers with recent and important achievements in optics/photonics and, as its name suggests, it strives for the shortest possible publication time.