SURFACE-PLASMON-ENHANCED PHOTODETECTION IN PLANAR AU-GAAS SCHOTTKY JUNCTIONS

被引：12

作者：

DABOO, C

BAIRD, MJ

HUGHES, HP

APSLEY, N

JONES, GAC

FROST, JEF

PEACOCK, DC

RITCHIE, DA

机构：

[1] ROYAL SIGNALS & RADAR ESTAB, MALVERN WR14 3PS, WORCS, ENGLAND

[2] UNIV CAMBRIDGE, CAVENDISH LAB, SEMICOND PHYS GRP, CAMBRIDGE CB3 0HE, ENGLAND

来源：

THIN SOLID FILMS | 1990年 / 189卷 / 01期

关键词：

D O I：

10.1016/0040-6090(90)90023-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface plasmon resonances have been used to enhance the quantum efficiency in a gold on n-type GaAs Schottky barrier on a suitable prism coupler in the Kretschmann-Raether attenuated total reflection geometry. We have investigated the gold thickness dependence of reflectivity and quantum efficiency for p-polarized and s-polarized light of wavelength 1152 nm, below the GaAs band gap. Theoretical modelling of the reflectivity and quantum efficiency has been carried out. Both the experimental data and modelling indicate that optimum coupling to the surface plasmon, evidenced by a minimum in reflectivity with a corresponding peak in quantum efficiency for p-polarized light only, occurs for a gold thickness of about 40 nm. © 1990.

引用

页码：27 / 38

页数：12

共 16 条

[1] SURFACE-PLASMON-POLARITON RESONANCE FACTORS IN A CLASSICAL CALCULATION OF SURFACE-ENHANCED RAMAN-SCATTERING [J].