Measurement of the chromatic dispersion of an optical fiber by use of a Sagnac interferometer employing asymmetric modulation

被引：27

作者：

Abedin, KS ^{[1
]}

Hyodo, M ^{[1
]}

Onodera, N ^{[1
]}

机构：

[1] Kansai Adv Res Ctr, Commun Res Lab, Nishi Ku, Kobe, Hyogo 6512492, Japan

来源：

OPTICS LETTERS | 2000年 / 25卷 / 05期

关键词：

Electromagnetic dispersion - Interferometers - Light interference - Light modulation - Light modulators - Optical resolving power - Phase modulation;

D O I：

10.1364/OL.25.000299

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a novel method, based on asymmetric modulation in a Sagnac interferometer, that measures the chromatic dispersion of single-mode fibers. The interferometer incorporates a phase modulator and a test fiber, so the dispersion can be determined from the interference fringe seen when a sweep rf signal is applied to the modulator. This technique provides picosecond temporal resolution without the need for any fast diagnostic equipment and is capable of accurately measuring the average dispersion of fibers several kilometers long. (C) 2000 Optical Society of America OCIS codes: 260.2030, 060.2300, 060.2430, 060.2400, 120.3180, 120.5060.

引用

页码：299 / 301

页数：3

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