Antireflection-coated angled facet design

被引:32
作者
Reed, M [1 ]
Benson, TM [1 ]
Kendall, PC [1 ]
Sewell, P [1 ]
机构
[1] UNIV SHEFFIELD,DEPT ELECT & ELECT ENGN,SHEFFIELD S1 4UD,S YORKSHIRE,ENGLAND
来源
IEE PROCEEDINGS-OPTOELECTRONICS | 1996年 / 143卷 / 04期
关键词
laser diodes; multilayer coatings; waveguide facets;
D O I
10.1049/ip-opt:19960597
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
New and accurate semianalytical expressions, based on the free-space radiation mode method, are derived for the reflectivity of a polarised guided mode of a slab waveguide incident on a multicoated laser facet at an arbitrary angle. Solutions may be obtained simply and with minimum computational effort. Results presented confirm that the coated angled facet can reduce the guided-mode reflectivity to near zero for both polarisations, The far-field radiation pattern is also significantly modified by angling the waveguide to the facet.
引用
收藏
页码:214 / 220
页数:7
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