After almost two-decades of sustained effort in making spin-based qubits, silicon still has great promise as the technology of choice for future quantum computers. After a brief update on the field, I will discuss our recent work proposing new qubit and coupling approaches for silicon quantum dots that attempt to overcome the biggest challenges facing construction of a silicon quantum computer. I will end by discussing what semiconductor and superconducting qubit designers can learn from each other and other promising new research directions.
Research Laboratory of Electronics, MIT, Boston, MA