COUPLING OF SINGLE-MODE TI-DIFFUSED LINBO3 WAVEGUIDES TO SINGLE-MODE FIBERS

被引：39

作者：

KEIL, R

AURACHER, F

机构：

[1] Research Laboratories, Siemens AG

来源：

OPTICS COMMUNICATIONS | 1979年 / 30卷 / 01期

关键词：

D O I：

10.1016/0030-4018(79)90034-8

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on measurements of the near-field intensity distribution of single-mode T-diffused LiNbO3 waveguides and on the alignment tolerances when coupled to a single mode fiber. Coupling efficiencies of typically 77 to 87% are calculated and a value as high as 80% has been measured experimentally for a y-cut substrate and TM-like polarisation. The total insertion loss of 1 cm long single-mode Ti-diffused waveguides (c-cut) inserted between single-mode fibers was typically 10 dB. © 1979.

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页码：23 / 28

页数：6

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