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Details of Grant 

EPSRC Reference: GR/L31616/01
Title: ELECTRICAL INJECTION PHOTONIC MICROSTRUCTURE DEVICES BASED ON LATERALLY SELECTIVE OXIDISATION OF (ALGA)AS
Principal Investigator: De La Rue, Honorary Professor R
Other Investigators:
Krauss, Professor T Marsh, Professor JH
Researcher Co-Investigators:
Project Partners:
DSTL - JGS
Department: Electronics and Electrical Engineering
Organisation: University of Glasgow
Scheme: Standard Research (Pre-FEC)
Starts: 01 December 1996 Ends: 30 November 1997 Value (£): 10,685
EPSRC Research Topic Classifications:
Materials Synthesis & Growth
EPSRC Industrial Sector Classifications:
Manufacturing Electronics
Related Grants:
Panel History:  
Summary on Grant Application Form
A collaborative programme is proposed to explore a new approach to fabricating `all-solid' 2-D photonic microstructures. Such microstructures offer the prospect of semiconductor laser diodes and light-emitting diodes with improved spectral control, reduced spontaneous emission loss, and lower drive current, as required by commercial manufacturers. The `all-solid' approach offers the physical continuity and electrical integrity needed for incorporation in such electroluminescent devices.The method to be explored is laterally selective `steam' oxidation of (AlGa) As. The project aims to prepare (AlGa) As layers for this process using electron beam lithography and etching to define a variety of masks, for direct oxidation via selective exposure of the wafer surface, or indirect oxidation via the effects of patterned ion implantation. The intention is to incorporate such oxide/semiconductor structures into electroluminescent microcavity devices (resonant-cavity LEDs and potentially VCSELs) using the technique of wafer fusion.
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Organisation Website: http://www.gla.ac.uk