An electrically driven solid state modulator


Uppal, Suresh and Rutt, Harvey N. (2005) An electrically driven solid state modulator. In, 2nd EMRS DTC Technical Conference, Edinburgh, UK, 16 - 17 Jun 2005. EMRS DTC. Electro Magnetic Remote Sensing Defence Technology Centre5pp.

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Description/Abstract

Simulation results for the design and fabrication of an electrically driven solid state modulator are presented. The design criteria has identiped various trade-offs in the manufacturing of an electrically driven modulator using a p-i-n diode to be made from high purity Ge. The issues relating to the doping, layer thickness and contact material for the diode fabrication are discussed.

A compromise between the high 'ON' state transmission and uniformity is required to achieve the optimum performance from the device. Using FEMLAB and ATLAS a p-i-n diode with different apertures has been simulated which clearly show the effects of non-uniformity and the requirement of a mesh-type electrode for a uniform absorption across the large device apertures.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Publication No: 3132
Related URLs:
Keywords: infrared, p-i-n diode, solid-state modulator, high purity ge
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 38294
Date Deposited: 06 Jun 2006
Last Modified: 27 Mar 2014 18:24
URI: http://eprints.soton.ac.uk/id/eprint/38294

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