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Abstract

Semiconductor quantum dots provide a versatile and potentially scalable mechanism for manipulating quantum information encoded in discrete orbital and spin degrees of freedom. I will review the state-of-the-art in current developments in this field (leading to fast control on a scale of 200 picoseconds and very long memory times in excess of 200 microseconds).

It鈥檚 often useful to have a private conversation within a public world. What role can quantum cryptography play in keeping conversations private? Sometimes described as providing 鈥渦nconditional security guaranteed by the laws of quantum physics,鈥 its security implications are both tantalizing and surprisingly elusive. This talk introduces quantum cryptography and describes the speaker鈥檚 experience creating several types of quantum cryptography equipment, within the broader context of mainstream cryptography and secure communications.

Biography