Quantum Computing related research is now being funded at a high level and there is a gold rush towards this field among physicists, engineers and computer scientists. I admit that Quantum Computing is very attractive. If I were an undergraduate student I would pursue a PhD degree in fields like Quantum Computing, Quantum Networking, Quantum Simulation, Quantum Sensing, Quantum Cryptography.
There are hundreds of resources on these subjects on the internet. Where would you start? In my opinion the starting point has to be the review article written by John Preskill: