Low loss (0.5 dB/cm) Nd:Gd3Ga5O12 waveguide layers grown by pulsed laser deposition

被引：30

作者：

Anderson, AA

Bonner, CL

Shepherd, DP

Eason, RW

Grivas, C

Gill, DS

Vainos, N

机构：

[1] UNIV SOUTHAMPTON,OPTOELECT RES CTR,SOUTHAMPTON SO17 1BJ,HANTS,ENGLAND

[2] FDN RES & TECHNOL HELLAS,IRAKLION 71110,CRETE,GREECE

[3] INST ELECT STRUCT & LASER,IRAKLION 71110,CRETE,GREECE

来源：

OPTICS COMMUNICATIONS | 1997年 / 144卷 / 4-6期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1016/S0030-4018(97)00460-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Nd:Gd3Ga5O12 planar waveguides, with significantly improved optical properties over those previously reported. have been fabricated on Y3Al5O12 substrates by pulsed laser deposition. Waveguide losses as low as 0.5 dB/cm have been obtained, determined by measuring the absorbed power lasing threshold with different output coupler reflectivities for both the 1060 nm and 937 nm lasing wavelengths. This order of magnitude improvement in waveguide loss is attributed to the much improved surface morphology and lower particulate count of the thin film samples. (C) 1997 Elsevier Science B.V.

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收藏

页码：183 / 186

页数：4

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