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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Demonstration of L-band DP-QPSK transmission over FSO and fiber channels employing InAs/InP quantum-dash laser source
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Demonstration of L-band DP-QPSK transmission over FSO and fiber channels employing InAs/InP quantum-dash laser source

机译：L波段DP-QPSK在FSO / INP量子划线激光源的FSO和光纤通道上传输的展示

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摘要

The next generation of optical access communication networks that support 100 Gbps and beyond, require advances in modulation schemes, spectrum utilization, new transmission bands, and efficient devices, particularly laser diodes. In this paper, we investigated the viability of new-class of InAs/InP Quantum-dash laser diode (Qdash-LD) exhibiting multiple longitudinal light modes in the L-band to carry high-speed data rate for access network applications. We exploited external and self injection-locking techniques on Qdash-LD to generate large number of stable and tunable locked modes, and compared them. To stem the capability of each locked mode as a potential subcarrier, data transmission is carried out over two mediums; single mode fiber (SMF) and free space optics (FSO) to emulate real deployment scenarios of optical networks. The results showed that with external-injection locking (EIL), an error-free transmission of 100 Gbps dual polarization quadrature phase shift keying (DP-QPSK) signal is demonstrated over 10 km SMF and 4 m indoor FSO channels, with capability of reaching up to 128 Gbps, demonstrated under back-to-back (BTB) configuration. On the other hand, using self-injection locking (SIL) scheme, a successful data transmission of 64 Gbps and 128 Gbps DP-QPSK signal over 20 km SMF and 10 m indoor FSO links, respectively, is achieved. (C) 2017 Elsevier B.V. All rights reserved.
机译：下一代支持100 Gbps和超越的光接入通信网络，需要在调制方案，频谱利用，新传输频带和高效设备，特别是激光二极管的前进。在本文中，我们调查了在L波段中显示出多个纵向光模式的新阶级/ inP量子频率二极管（QDash-LD）的可行性，以承载用于接入网络应用的高速数据速率。我们在QDash-LD上利用外部和自动注射锁定技术，以产生大量稳定和可调锁定模式，并将其进行比较。为了使每个锁定模式的能力作为潜在的子载波，通过两个介质进行数据传输;单模光纤（SMF）和可用空间光学（FSO），用于模拟光网络的实际部署方案。结果表明，通过外部注射锁定（EIL），100 Gbps双偏振正交相移键控（DP-QPSK）信号的无差错传输是超过10km的SMF和4米室内FSO通道，具有到达的能力高达128 Gbps，在背靠背（BTB）配置下。另一方面，使用自进样锁定（SIL）方案，实现了64 Gbps的成功数据传输和128 Gbps DP-QPSK信号，分别超过20kmF和10M室内FSO链路。 （c）2017年Elsevier B.V.保留所有权利。

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