物理学报2011，Vol.60Issue(10)：383-389,7.
基于光参量放大的高速实时光取样技术
High speed real-time optical sampling system based on optical parametric amplification
摘要
Abstract
We propose a novel technique to achieve a high speed real-time optical sampling system based on optical parametric amplification in high nonlinear fiber（HNLF）.Linearly chirped pulses are obtained by the dispersive propagation of short pulses emitted by a mode-locked fiber laser.The pulses are then fed into an HNLF together with signal under sampling.Thanks to the optical parametric amplification effect in the HNLF,the amplitude information will be modulated onto the linearly chirped pulses.By employing optical band-pass filters or wavelength division multiplexing（WDM） technology before the receivers,simultaneous high speed optical sampling and optical serial-to-parallel conversion are achieved.We demonstrate the feasibility of the scheme by optical sampling a 10 Gb/s on-off keying（OOK） signal at a sampling rate of 40GS/s and simultaneously converting it into four 10 GS/s sampling outputs.And the 10 Gb/s OOK signal is reconstructed later by the four sampling outputs.The scheme is simple and of low cost,which makes it a good candidate in high speed real-time sampling system.关键词
光信号处理/光取样/参量放大/高非线性光纤Key words
optical communication/optical sampling/optical parametric amplification/high nonlinear fiber（HNLF）分类
信息技术与安全科学引用本文复制引用
王文睿,于晋龙,罗俊,韩丙辰,吴波,郭精忠,王菊,杨恩泽..基于光参量放大的高速实时光取样技术[J].物理学报,2011,60(10):383-389,7.基金项目
国家自然科学基金 （）
国家重点基础研究发展计划（批准号：2010CB327603）资助的课题 （）
