基于全光纤Sagnac干涉仪的线性声光激光调制器研究

Q3 Engineering

Advances in Optoelectronics Pub Date : 2016-07-25 DOI:10.1155/2016/5606417

G. García, E. Flores, B. A. R. Solís, H. A. Coyotécatl

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引用次数: 0

摘要

论证了保偏光子晶体光纤(PM-PCF)策略在全光纤Sagnac干涉仪声光调制中的可行性。应用该策略的主要约束是由1550 nm的线性激光声光调制器(AOM)定义的。PM-PCF环段上入射声波的强度影响信号的干扰传输;在这里，通过双折射变化观察到调制。通过数学分析发现，光谱中的两个工作点在线性区域内工作，并得到了光谱增益和灵敏度的表达式。AOM的带宽为0.1 Hz ~ 20khz，动态范围为0.0 ~ 43.5 dB。

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Study of a Linear Acoustooptic Laser Modulator Based on All-Fibre Sagnac Interferometer

The feasibility of polarization-maintaining photonic crystal fibre (PM-PCF) strategy for acoustooptic modulation using all-fibre Sagnac interferometer is demonstrated. The principal constraint to apply the strategy is defined by a linear laser acoustooptic modulator (AOM) for 1550 nm. The intensity of incident acoustic waves over the PM-PCF loop segment affected the signal interference transmission; here, modulation by birefringence variation around was observed. It is discovered that, through mathematical analysis, two operation points in the spectrum, , operate in a linear region, and expressions for spectral gain and sensibility are also discovered. AOM has a bandwidth from 0.1 Hz to 20 kHz, and its dynamic range is from 0.0 to 43.5 dB.

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来源期刊

Advances in Optoelectronics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.30

自引率

0.00%

发文量

期刊介绍： Advances in OptoElectronics is a peer-reviewed, open access journal that publishes original research articles as well as review articles in all areas of optoelectronics.