How to Blind Make Optical Links

The reason you don't do optics is because your chip inherently has copper signals coming out of it. If you go onto a package whatever that is copper by definition and d so if you go to an optical engine that is off chip or even on package but still off die now you're spending power. There's a real power argument to be made once you're you're already in copper, he says. "Staying in copper if you possibly can is going to have a bunch of wins"