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准相位匹配技术及其应用研究的中期报告摘要：本文介绍了准相位匹配技术的基本原理及其应用研究的中期进展。准相位匹配技术是利用光学二次非线性效应实现光学频率转换和波长变换的关键技术之一。准相位匹配技术具有高效率、宽带宽、低失真等优点，已经在光通信、光存储、激光雷达等领域得到广泛应用。本文介绍了准相位匹配技术在光通信领域的应用研究进展，包括WDM-PON系统、光时域反射计、高速QAM调制器等方面。另外，本文还介绍了准相位匹配技术在微纳操纵、微纳光学器件、超快光子学等领域的研究进展。关键词：准相位匹配技术；光学非线性效应；光通信；微纳操纵；超快光子学Abstract:Thispaperintroducesthebasicprincipleofquasi-phase-matching(QPM)technologyandthemid-termprogressofitsapplicationresearch.TheQPMtechnologyisoneofthekeytechnologiesforopticalfrequencyconversionandwavelengthconversionbasedonopticalsecond-ordernonlinearity.TheQPMtechnologyhastheadvantagesofhighefficiency,widebandwidth,andlowdistortion,andhasbeenwidelyusedinopticalcommunication,opticalstorage,laserranging,andotherfields.ThispaperintroducestheapplicationresearchprogressofQPMtechnologyinthefieldofopticalcommunication,includingWDM-PONsystem,opticaltimedomainreflectometer,high-speedQAMmodulator,andotheraspects.Inaddition,thispaperalsointroducestheresearchprogressofQPMtechnologyinthefieldsofmicro-nanomanipulation,micro-nanoopticaldevices,ultrafastphotonics,andotherareas.Keywords:Quasi-phase-matching(QPM)technology;Opticalnonlineareffect;Opticalcommunication;Micro-nanomanipulation;Ultrafastphotonics.
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