Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation

被引：5

作者：

Adikan, Faisal R. M. ^{[1
]}

Gawith, Corin B. E.

Smith, Peter G. R.

Sparrow, Ian J. G.

Emmerson, Gregory D.

Riziotis, Christos

Ahmad, Harith

机构：

[1] Univ Southampton, ORC, Southampton SO17 1BJ, Hants, England

[2] Stratophase Ltd, Unit A7, Premier Ctr, Southampton SO51 9DG, Hants, England

[3] Univ Peloponnese, Dept Telecommun Sci & Technol, Tripoli 22100, Greece

[4] Univ Malaya, Dept Phys, Kuala Lumpur 50603, Malaysia

来源：

APPLIED OPTICS | 2006年 / 45卷 / 24期

关键词：

D O I：

10.1364/AO.45.006113

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Experimental demonstration of small angle (0.8 degrees-5 degrees) direct UV-written X couplers in silica-on-silicon is presented. Maximum and minimum coupling ratios of 95% (+/- 0.8%) and 1.9% (+/- 1%), respectively, were recorded. The structures also display very low polarization and wavelength dependence. A typical excess loss of 1.0 dB (+/- 0.5 dB) was recorded. Device modeling using the beam propagation method and an analytical model showed good agreement with experimental results over a broad crossing angle and wavelength range. (C) 2006 Optical Society of America.

引用

页码：6113 / 6118

页数：6

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