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Optically-triggered Power Transistor (OTPT) for Fly-by-light (FBL) and EMI-susceptible Power Electronics

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Significance of direct photonically-controlled power switching devices has been illustrated for electromagnetic-interference immune power electronics. Experimental prototype, initial characterization results, and key simulation results for III-V GaAs/AlGaAs-based optically-triggered power transistor have been shown. Superjunction charge-compensation technique and unique optical-modulation properties have been illustrated. Key processing issues for high-voltage III-V epitaxial power device structure have been discussed. Also, it is shown how the optical triggering idea can be extended to devices with higher gain and using wide-bandgap materials (e.g., SiC)

Published in:

Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE

Date of Conference:

18-22 June 2006