T. Detwiler, A. Stark, Y. Hsueh, S. Searcy, R. Lingle, B. Basch, G. Chang, S. Ralph
{"title":"Offset QPSK for 112 Gb/s coherent optical links","authors":"T. Detwiler, A. Stark, Y. Hsueh, S. Searcy, R. Lingle, B. Basch, G. Chang, S. Ralph","doi":"10.1109/PHOSST.2010.5553713","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":440419,"journal":{"name":"IEEE Photonics Society Summer Topicals 2010","volume":"45 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Photonics Society Summer Topicals 2010","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PHOSST.2010.5553713","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
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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