Coherent Tunneling Adiabatic Passage with the Alternating Coupling Scheme

摘要

We have investigated the properties of Coherent Tunneling Adiabatic Passage (CTAP) with alternating tunneling matrix elements. This geometry provides an interesting route to long-range quantum transport that has not previously been considered in the donor in silicon paradigm. We introduce simplified coupling protocols, and transient eigenspectra as well as a realistic gate design for this transport protocol. Numerical simulations of the electrostatic landscape have been performed and from this we make estimates of the conditions required for adiabatic operation.