UNSPECIFIED (2002) Design of a Franz-Keldysh effect electroabsorption waveguide modulator for millimetre-wave generation. OPTICS AND LASER TECHNOLOGY, 34 (6). pp. 475-478. ISSN 0030-3992

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Abstract

An analysis of the generation of harmonies for millimetre-wave signals using a Franz-Keldysh effect waveguide modulator is presented. The Franz-Keldysh electroabsorption is obtained via a method known to provide accurate results in comparison with experimental data. This is followed by an optimisation of the drive voltage in terms of the d.c. bias for a sinusoidal input. A spectrum rich in harmonics is produced and the fifth is considered in detail for device optimisation. The modulator considered is based on a large core multimode waveguide designed to yield a high coupling efficiency to single-mode fibres. The confinement factor, and hence the length, of the structure are determined via the effective index method. The resulting device could be used for the cost-effective production of millimetre-wave carriers via the harmonics generated whilst enabling the employment of electronics running at the speed of the fundamental. (C) 2002 Elsevier Science Ltd. All rights reserved.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	OPTICS AND LASER TECHNOLOGY
Publisher:	ELSEVIER SCI LTD
ISSN:	0030-3992
Date:	September 2002
Volume:	34
Number:	6
Number of Pages:	4
Page Range:	pp. 475-478
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/10580

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