用于112gb /s相干光链路的偏移QPSK

IEEE Photonics Society Summer Topicals 2010 Pub Date : 2010-07-19 DOI:10.1109/PHOSST.2010.5553713

T. Detwiler, A. Stark, Y. Hsueh, S. Searcy, R. Lingle, B. Basch, G. Chang, S. Ralph

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引用次数: 5

摘要

偏置QPSK是一种线性调制格式，表现出几乎恒定的包络，因此可以避免非线性折射效应，从而实现更高的发射功率和相应的距离增加。我们通过实验证明，与使用TrueWave®RS光纤的多跨相干光链路的QPSK相比，OQPSK具有>2dB的优势。

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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Offset QPSK for 112 Gb/s coherent optical links

Offset QPSK is a linear modulation format exhibiting nearly constant envelop and hence may avoid nonlinear refraction effects and thus enable higher launch power and a commensurate increase in reach. We experimentally demonstrate >2dB advantage for OQPSK compared to QPSK for multi span coherent optical links using TrueWave® RS fiber.

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IEEE Photonics Society Summer Topicals 2010

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