Excess noise of an Er/Yb fiber superfluorescent radiation source

被引：5

作者：

Alekseev, EI ^{[1
]}

Bazarov, EN ^{[1
]}

Barannikov, YA ^{[1
]}

Gapontsev, VP ^{[1
]}

Gubin, VP ^{[1
]}

Samartsev, IE ^{[1
]}

Starostin, NI ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Radio Engn & Elect, Fryazino, Russia

来源：

TECHNICAL PHYSICS LETTERS | 1997年 / 23卷 / 12期

关键词：

Radiation; Quartz; Spectral Density; Radiation Source; Erbium;

D O I：

10.1134/1.1261925

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A study is made of the noise in the output intensity of a high-power superfluorescent fiber radiation source generating 20 mW in the 1.55 mu m region of the spectrum. The source is constructed in an all-fiber technology from a quartz fiber activated with ytterbium and erbium. It is found that the spectral density of the noise in the frequency range 100-500 kHz is uniform and corresponds to the excess noise of "thermal" sources. It is shown that the noise in the output intensity of the source can be compensated (decreased by an order of magnitude) in a two-channel scheme of photodetection, where it approaches a level close to the photon shot noise. (C) 1997 American Institute of Physics. [S1063-7850(97)00112-2].

引用

页码：899 / 901

页数：3

共 5 条

[1]

Alekseev E. I., 1994, Technical Physics Letters, V20, P74

[2]

Alekseev E. I., 1995, Technical Physics Letters, V21, P990

[3] EXCESS NOISE IN FIBER GYROSCOPE SOURCES [J].

BURNS, WK ;

MOELLER, RP ;

DANDRIDGE, A .

IEEE PHOTONICS TECHNOLOGY LETTERS, 1990, 2 (08) :606-608

[4]

MORKEL PR, 1990, CLEO 90, P154

[5] CHARACTERISTICS OF ERBIUM-DOPED SUPERFLUORESCENT FIBER SOURCES FOR INTERFEROMETRIC SENSOR APPLICATIONS [J].

WYSOCKI, PF ;

DIGONNET, MJF ;

KIM, BY ;

SHAW, HJ .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 1994, 12 (03) :550-567

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