480 gps采样时间拉伸瞬态数字化仪

Proceedings of the Lightwave Technologies in Instrumentation and Measurement Conference, 2004. Pub Date : 2004-12-27 DOI:10.1109/LTIMC.2004.1370990

Yan Han, O. Boyraz, B. Jalali

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引用次数: 4

摘要

光子时间拉伸是测量超快瞬态信号的一种强有力的技术。时间延伸的带宽通常受到色散引起的频率衰落现象的限制。为了克服这一限制，我们提出并演示了一种利用相分集和最大比值组合技术实现时间拉伸的新方法。演示了在480gsample /s下，固有带宽为96ghz的瞬态信号测量。

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480 GSample/s time stretch transient digitizer

Photonic time stretch is a powerful technique in measuring the ultrafast transient signal beyond electronic limits. The bandwidth of time stretch is traditionally limited by a dispersion-induced frequency fading phenomenon. To overcome this limitation, we propose and demonstrate a new implementation of time stretch using phase diversity along with the maximum ratio combining technique. Transient signal measurements at 480 GSample/s with the intrinsic bandwidth 96 GHz are demonstrated.

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Proceedings of the Lightwave Technologies in Instrumentation and Measurement Conference, 2004.

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