I will talk about two of our recent proposals for quantum computers based on superconducting JJ circuits [1] and spins in semiconductors [2]: what motivated them, why they are worth pursuing experimentally, and directions for future research.
[1] Semiconductor-inspired design principles for superconducting quantum computing, Nature Communications 7, 11059 (2016)
[2] Charge-noise-insensitive gate operations for always-on, exchange-only qubits, Phys. Rev. B 93, 121410(R) (2016)
MIT, Boston, MA