Thanks for the response. I have 4 publications in IEEE (2 were during my MS). Yes, I want to move into academia and that’s where PhD is important.
Okay, that changes the conversation significantly. I still think 3 years may be impossible, but 4 could certainly be possible.
Just remember, if you are doing a PhD at a good institution (which you've now made clear is within your reach), the institution is going to want to get something out of you in return for funding and stipend. In your case, that will likely be research assistance, though not necessarily on work that will go into your dissertation. Also, it will be a good idea to teach at least once while in school.
It is for these reasons that I think 3 years is impossible. Your PI is going to see year 1 as your training for his/her project. You'll likely have to take some classes as well. Years 3-4 will be research assisting, some teaching, and your own writing. I'm not trying to discourage you, just trying to be realistic. In Europe, yes, you'd be out in 3 (but then straight on your ways to years of post-docs). But in the US, I have a hard time seeing it.