Technology Quantum Computing

[Doomsought]

EEV blog has recently done an interview with a Quantum Computing expert on the current state of the technology, taken from the perspective of an electrical engineer.


Some interesting points taken from the rather long video:

• The basic components needed for a quantum computer have all been identified, the next steps are combining those components into computational circuits and combining those circuits into quantum computers big enough for actual use.
• Quantum computers may never get out of a freezer, but that isn't an insurmountable engineering challenge.
• Quantum computers will never be a replacement for classical computers, as classical computers are cheaper and have higher clock rates than you can get out of a quantum computer.
• The need for error correction means that a quantum computer needs to be about an order of magnitude larger than the minimum needed for a specific problem to actuality be able to get a usable output form the algorithm.
• Some algorithms created to make use of the advantages of quantum computing have been "De-quantized" reverse engineered to create better algorithms for classical computers.
• They also discuss several different types of quantum computer and how they are engineered and manufactured.