Partial standard quantum process tomography

TL;DR

This paper proposes a scalable scheme for partial quantum process tomography, enabling the determination of specific matrix elements of the process matrix using Choi operators.

Contribution

It introduces a method to efficiently determine individual elements of the quantum process matrix in a scalable manner.

Findings

Enables targeted measurement of process matrix elements.

Provides a scalable approach for partial quantum process tomography.

Facilitates more efficient quantum process characterization.

Abstract

With the general theorem of SQPT, we shall develop a scheme to detemine an arbitrary matrix element of $chi$, which is expanded with the Choi operators, in a scalbe way.