Analysis of the enhanced coupling efficiency for different profile curves of special optical taper

被引：0

作者：

Gao F.-L. ^{[1
]}

Fu X.-H. ^{[1
,2
,3
]}

Fu G.-W. ^{[1
,2
]}

Bi W.-H. ^{[1
,2
]}

机构：

[1] School of Information Science and Engineering, Yanshan University, Qinhuangdao

[2] Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, Yanshan University, Qinhuangdao

[3] Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai

来源：

Optoelectronics Letters | 2014年 / 10卷 / 4期

基金：

中国国家自然科学基金;

关键词：

Incident Angle; Exponential Type; Total Internal Reflection; Coupling Efficiency; Profile Curve;

D O I：

10.1007/s11801-014-4063-1

中图分类号：

学科分类号：

摘要：

For enhancing the coupling efficiency between the beam and the photodiode, a special optical taper is proposed for receiving optical signal. Based on the circular symmetric structure of special optical taper, the profile curve equations of it are deduced, including the trigonometric function type, parabolic type and exponential type. Moreover, the coupling efficiencies for special optical tapers with different profile curves are studied. The relationships of incident position, incident angle and coupling efficiency are analyzed. Finally, the comparison of coupling efficiency analytical results is also given. © 2014, Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.

引用

页码：281 / 284

页数：3

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