Lithium niobate photonic wires

被引：134

作者：

Hu, H. ^{[1
]}

Ricken, R. ^{[1
]}

Sohler, W. ^{[1
]}

机构：

[1] Univ Gesamthsch Paderborn, D-33098 Paderborn, Germany

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 26期

关键词：

OPTICAL WAVE-GUIDE; RESONATORS; CRYSTAL; DEVICES; LASERS; MODE;

D O I：

10.1364/OE.17.024261

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

LN photonic wires of cross-section dimensions down to 1 x 0.73 mu m(2) were fabricated by Ar milling of a single-crystalline LiNbO3 (LN) film bonded to a SiO2/LiNbO3 substrate. Mode intensity distributions, propagation losses, and group indices of refraction were measured at 1.55 mu m wavelength and compared with simulation results. Moreover, effective mode indices and end face reflectivities were numerically evaluated. The waveguide of 1 mu m top width is the smallest LN photonic wire reported to date; it has a mode size of similar to 0.4 mu m(2) (0.5 mu m(2)) only and propagation losses of 9.9 dB/cm ( 12.9 dB/cm) for qTM (qTE) polarization. (C) 2009 Optical Society of America

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页码：24261 / 24268

页数：8

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