HIGH-EFFICIENCY SINGLE-ORDER WAVE-GUIDE GRATING COUPLER

被引:33
|
作者
AVRUTSKY, IA [1 ]
SVAKHIN, AS [1 ]
SYCHUGOV, VA [1 ]
PARRIAUX, O [1 ]
机构
[1] SWISS CTR ELECTR & MICROTECHNOL,CH-2000 NEUCHATEL,SWITZERLAND
关键词
D O I
10.1364/OL.15.001446
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
High-efficiency single-order grating coupling between an optical waveguided mode and a volume wave is achieved by means of double-sided corrugated cover film that has phase-shifted undulations. A greater than 90% outcoupling ratio into air is demonstrated for weakly guiding ion-exchanged waveguides. The conditions for efficient coupling and the tolerances on them are established.
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页码:1446 / 1448
页数:3
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