Non-linear characteristics of an optically reconfigurable microwave switch

Alexander W. Pang; Souheil Bensmida; Chris D. Gamlath; Martin J. Cryan

doi:10.1049/iet-map.2017.0572

Non-linear characteristics of an optically reconfigurable microwave switch

Alexander W. Pang, Souheil Bensmida, Chris D. Gamlath, Martin J. Cryan

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Abstract

A novel, high-power optically controlled microwave switch is presented. The switch uses integrated illumination of a silicon superstate through a low-loss glass substrate which reduces losses related to the plasma conductivity tail in the silicon. Numerical electromagnetic modelling is used to design the switch and good agreement between measured and simulated results has been achieved. The switch is then characterised using a two-tone non-linearity test at 2 GHz and a third-order intercept point of +72 dBm is obtained with 10 W per tone.

Original language	English
Pages (from-to)	1060-1063
Number of pages	4
Journal	IET Microwaves, Antennas and Propagation
Volume	12
Issue number	7
Early online date	5 Jan 2018
DOIs	https://doi.org/10.1049/iet-map.2017.0572
Publication status	Published - 13 Jun 2018

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abstract = "A novel, high-power optically controlled microwave switch is presented. The switch uses integrated illumination of a silicon superstate through a low-loss glass substrate which reduces losses related to the plasma conductivity tail in the silicon. Numerical electromagnetic modelling is used to design the switch and good agreement between measured and simulated results has been achieved. The switch is then characterised using a two-tone non-linearity test at 2 GHz and a third-order intercept point of +72 dBm is obtained with 10 W per tone.",

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AU - Gamlath, Chris D.

AU - Cryan, Martin J.

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AB - A novel, high-power optically controlled microwave switch is presented. The switch uses integrated illumination of a silicon superstate through a low-loss glass substrate which reduces losses related to the plasma conductivity tail in the silicon. Numerical electromagnetic modelling is used to design the switch and good agreement between measured and simulated results has been achieved. The switch is then characterised using a two-tone non-linearity test at 2 GHz and a third-order intercept point of +72 dBm is obtained with 10 W per tone.

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JO - IET Microwaves, Antennas and Propagation

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Non-linear characteristics of an optically reconfigurable microwave switch

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