Differential optoelectronic subtractor using self electro-optic effect devices for use in sigma-delta modulation

Tony Sarros; Kerry A. Corbett; Said F. Al-Sarawi; Bradley A. Clare; Kenneth J. Grant; Warren Marwood

doi:10.1117/12.523261

30 March 2004 Differential optoelectronic subtractor using self electro-optic effect devices for use in sigma-delta modulation

Tony Sarros, Kerry A. Corbett, Said F. Al-Sarawi, Bradley A. Clare, Kenneth J. Grant, Warren Marwood

Author Affiliations +

Proceedings Volume 5274, Microelectronics: Design, Technology, and Packaging; (2004) https://doi.org/10.1117/12.523261
Event: Microelectronics, MEMS, and Nanotechnology, 2003, Perth, Australia

Abstract

As the demand for analog-to-digital (A/D) conversion with greater bandwidths increase, it is necessary to look at other alternatives to electronics for integrated circuit design. One such approach to utilize is a combination of optics and electronics, or opto-electronics, at all levels of the system hierarchy. A device that has these properties is the Self Electro-optic Effect Device (SEED), and combining this with oversampling techniques for data conversion can meet the demands for direct digitization of radio frequency (RF) signals. One form of A/D oversampling conversion method is Sigma-Delta modulation. A key element of this technique is the subtractor and in this paper we will discuss the implementation of a differential subtractor using SEEDs as part of a Sigma-Delta Modulator. This paper will detail simulation results based on experimental data to predict the behavior of two types of differential subtractors, one of which will be compared with experimental results.

Citation Download Citation

Tony Sarros, Kerry A. Corbett, Said F. Al-Sarawi, Bradley A. Clare, Kenneth J. Grant, and Warren Marwood "Differential optoelectronic subtractor using self electro-optic effect devices for use in sigma-delta modulation", Proc. SPIE 5274, Microelectronics: Design, Technology, and Packaging, (30 March 2004); https://doi.org/10.1117/12.523261

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