Polarization separation in titanium-diffused waveguides on lithium niobate substrates

被引：10

作者：

Karavaev, P. M. ^{[1
]}

Il'ichev, I. V. ^{[1
]}

Agruzov, P. M. ^{[1
]}

Tronev, A. V. ^{[1
,2
]}

Shamray, A. V. ^{[1
,2
,3
]}

机构：

[1] Russian Acad Sci, Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[2] ITMO Univ, St Petersburg Natl Res Univ Informat Technol Mech, St Petersburg 197101, Russia

[3] Peter Great St Petersburg Polytech Univ, St Petersburg 195251, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2016年 / 42卷 / 05期

关键词：

D O I：

10.1134/S1063785016050266

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The influence of technological parameters of the process of thermal diffusion of titanium in lithium niobate substrates on the polarization-dependent losses of obtained optical waveguide has been theoretically studied. It is established that the anisotropy of refractive index variation leads to different conditions of polarization eigenmode cutoff that can be used for separating extraordinary and quenching ordinary polarization modes. Experiments with titanium-diffused waveguides showed the possibility of extraordinary polarization mode separation above 40 dB in the C-range (1530-1565 nm) of telecommunication wavelengths.

引用

页码：513 / 516

页数：4

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