High Speed Multi-Level Drivers for Spectrally Efficient Optical Transmission Systems

Q1 Engineering Bell Labs Technical Journal Pub Date : 2013-11-27 DOI:10.1002/bltj.21628

Jean Godin, Agnieszka Kończykowska, Jean-Yves Dupuy, Muriel Riet, Virginie Nodjiadjim, Filipe Jorge, Gabriel Charlet, Oriol Bertran-Pardo, Jérémie Renaudier, Haik Mardoyan, Alan Gnauck, Peter J. Winzer

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引用次数: 3

Abstract

High spectral efficiency modulation is key to addressing the optical network capacity challenge. Typical implementations of transmitters for advanced modulation formats use high-resolution silicon digital-to-analog converters, complemented by high bandwidth linear amplifiers to drive the electro-optic modulator. To overcome the limitations of this setup, both in speed and complexity, Bell Labs has proposed and realized an alternative approach based on a multi-level driver which operates at symbol rates up to 50 GBaud with swings up to 2×2 volts, sufficient to drive various common electro-optic modulators (Vπ ∼3-4 V). Over the past two years, multi-level drivers have enabled various Bell Labs optical system experiments relying on the high signal quality achieved and the rate flexibility offered. The circuit architecture, its main features, and the various system experiments are summarized. © 2013 Alcatel-Lucent.

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高效光谱光传输系统的高速多级驱动器

高频谱效率调制是解决光网络容量挑战的关键。用于高级调制格式的发射机的典型实现使用高分辨率硅数模转换器，辅以高带宽线性放大器来驱动电光调制器。为了克服这种设置在速度和复杂性方面的局限性，贝尔实验室提出并实现了一种基于多级驱动器的替代方法，该驱动器以高达50 GBaud的符号速率运行，摆动高达2×2伏，足以驱动各种常见的电光调制器(Vπ ~ 3-4 V)。在过去的两年中，多级驱动器使贝尔实验室的各种光学系统实验依赖于所实现的高信号质量和提供的速率灵活性。总结了该系统的电路结构、主要特点和各种系统实验。©2013阿尔卡特朗讯

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来源期刊

Bell Labs Technical Journal 工程技术-电信学

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0.00%

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审稿时长

6-12 weeks

期刊介绍： The Bell Labs Technical Journal (BLTJ) highlights key research and development activities across Alcatel-Lucent — within Bell Labs, within the company’s CTO organizations, and in cross-functional projects and initiatives. It publishes papers and letters by Alcatel-Lucent researchers, scientists, and engineers and co-authors affiliated with universities, government and corporate research labs, and customer companies. Its aim is to promote progress in communications fields worldwide; Bell Labs innovations enable Alcatel-Lucent to deliver leading products, solutions, and services that meet customers’ mission critical needs.

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