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Novel Design of Z-Cut Lithium Niobate Electrooptic Modulator

Gorman, Terry and Haxha, Shyqyri (2008) Novel Design of Z-Cut Lithium Niobate Electrooptic Modulator. In: Thienpont, H. and van Daele, P. and Mohr, J. and Taghizadeh, M.R., eds. Micro-Optics 2008. Proceedings of SPIE . SPIE, Bellingham, Washington. ISBN 978-0-8194-7190-1. (doi:10.1117/12.781399) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:17864)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. (Contact us about this Publication)
Official URL
http://dx.doi.org/10.1117/12.781399

Abstract

Analysis and optimisation of ultra-high-speed Z-cut lithium niobate (LN) electrooptic modulator, operating at a high frequency region, by using full wave finite element numerical technique has been demonstrated. Investigation of the effects of adjusting the buffer layer thickness, the electrode height and the waveguide trapezoidal profile on the microwave effective index (Nm), the characteristic impedance (Ζc), the microwave losses (αc) and the half-wave voltage-length product (VπL) has been reported. Optimisation of the above parameters yield to a novel design of LN modulator with a low VπL and high bandwidth operating at a frequency range between 1-100 GHz. The frequency dependent dispersion of the key device parameters with aim to determine the device suitability for high speed operation has been demonstrated.

Item Type: Book section
DOI/Identification number: 10.1117/12.781399
Additional information: Paper [6992-46]
Uncontrolled keywords: electrooptic modulator; lithium niobate; integrated optics; optical communications; full-wave
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK8300 Optoelectronic devices. Photoelectronic devices
Divisions: Faculties > Sciences > School of Engineering and Digital Arts > Broadband & Wireless Communications
Depositing User: J. Harries
Date Deposited: 20 Apr 2009 11:45 UTC
Last Modified: 02 Jul 2019 14:51 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/17864 (The current URI for this page, for reference purposes)
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