Unbalance of the Sagnac interferometer through nonlinear asymmetry

被引：2

作者：

Magalhaes, F. T. C. B. ^{[1
,2
]}

Pinho, H. A. ^{[2
]}

Cavalcante, D. N. S. ^{[1
,2
]}

Ferreira, A. C. ^{[1
,2
,3
]}

Menezes, J. W. M. ^{[1
,2
,3
]}

Guimaraes, G. F. ^{[1
,2
]}

Fraga, W. B. ^{[1
,2
]}

机构：

[1] Fed Inst Educ Sci & Technol Ceara, Postgrad Program Telecommun Engn, Fortaleza, Ceara, Brazil

[2] Fed Inst Educ Sci & Technol Ceara, Photon Lab, Fortaleza, Ceara, Brazil

[3] Fed Univ Ceara UFC, Locem Lab, Fortaleza, Ceara, Brazil

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2016年 / 30卷 / 09期

关键词：

Sagnac interferometer; unbalanced loop; SPM; stimulated Raman scattering; transmissivity; Stokes waves; OPTICAL LOOP MIRROR; DISPERSION-DECREASING FIBER; CROSS-PHASE MODULATION; SOLITON; GENERATION; PULSES; TOAD;

D O I：

10.1080/09205071.2016.1193451

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：

In this work, we studied the behavior of Sagnac interferometer powered by a CW signal and under the nonlinear effects of self-phase modulation, cross-phase modulation, and Raman, in two configurations (balanced and unbalanced) and five scenarios (by varying the value of the Raman fraction). In the balanced configuration, we observed that the presence of Raman effect in the loop changes the curves of transmissivity and reflectivity of the device, but only the components generated by the Raman effect (Stokes waves) are switched to the transmitted port. In the unbalanced configuration, we obtained an oscillating behavior as for transmissivity and reflectivity, which breaks the characteristic of nonlinear fiber mirror, thus enabling the transmission of the pumping wave for certain combinations of values of input power and Raman fraction.

引用

页码：1227 / 1239

页数：13

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