OPTIMUM DESIGN OF A PLANAR ARRAY OF TAPERED WAVE-GUIDES

被引:54
作者
DRAGONE, C
机构
[1] AT and T Bell Laboratories, Crawford Hill Laboratory, Holmdel, NJ
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1990年 / 7卷 / 11期
关键词
D O I
10.1364/JOSAA.7.002081
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The paper is concerned with the problem of designing a planar array with nearly ideal radiation characteristics. An array of tapered waveguides is used, and each input Bloch mode is adiabatically transformed into a plane wave. The array then radiates most of its power in the Brillouin zone Ω of order m = 0. It can be useful for a variety of applications, including star couplers and wavelength multiplexers suitable for lightwave distribution in local area networks. A design procedure for optimizing the array is described, and optimum design conditions and optimum efficiency are explicitly derived. © 1990 Optical Society of America.
引用
收藏
页码:2081 / 2093
页数:13
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