I think the link posted in the “Diamond Switches” thread (http://www.divtecs.com/research/high-current-high-voltage-igbt-switch/) is functionally just that. It’s “one” semiconductor switch made up of many switches on one piece of silicon.
jamesr wrote: Microwaving air is a really bad idea – you end up with lots of nasty NOx compounds
Does it generate more NOx than a kerosene powered turbojet?