High fidelity quantum gates via analytically solvable pulses

TL;DR

This paper demonstrates that a family of analytically solvable pulses can implement high fidelity quantum phase gates with robustness against system imperfections, advancing quantum computing in various physical platforms.

Contribution

It introduces a new family of analytically solvable pulses for high fidelity, robust quantum phase gates applicable to multiple quantum systems.

Findings

Achieves high fidelity phase gates with robustness to imperfections

Applicable to quantum dots, trapped ions, and solid-state defects

Provides analytical solutions for pulse design

Abstract

It is shown that a family of analytically solvable pulses can be used to obtain high fidelity quantum phase gates with surprising robustness against imperfections in the system or pulse parameters. Phase gates are important because they can implement the necessary operations for universal quantum computing. They are particularly suited for systems such as self-assembled quantum dots, trapped ions, and defects in solids, as these are typically manipulated by the transient excitation of a state outside the qubit subspace.