Interferometric In-Phase and Quadrature Oscilloscope

被引：0
|
作者：
Krause, David J. [1 ,2 ]
Cartledge, John C. [1 ]
Laperle, Charles [2 ]
Roberts, Kim [2 ]
机构：
[1] Queens Univ, Dept Elect & Comp Engn, Kingston, ON K7L 3N6, Canada
[2] Nortel, Ottawa, ON K2H 8E9, Canada
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2009年 / 27卷 / 24期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Optical field measurement; optical modulation; RESOLUTION;
D O I：
10.1109/JLT.2009.2035091
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A technique is presented for measuring the in-phase and quadrature components of a modulated optical signal, using standard electrical and optical components and a high-bandwidth equivalent-time sampling oscilloscope. The measurement setup consists of an interferometer, optical mixer, and sampling oscilloscope with two low-speed sampling modules (50 kHz) and two high-speed optical sampling modules (65 GHz). The simultaneous measurement of four de-skewed signals allows for the separate determination of the phase noise, amplitude modulation, and phase modulation. From these results, the complete trajectory in time of the complex signal is constructed.
引用
收藏
页码：5749 / 5754
页数：6
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