# On quantum illumination, quantum reading, and the capacity of quantum computation

## TL;DR

This paper clarifies the key differences between quantum illumination, quantum reading, and quantum computation capacity, addressing recent confusions in the literature about quantum channel discrimination protocols.

## Contribution

It provides a clear distinction and clarification of three important quantum protocols, helping to resolve misconceptions in recent research.

## Key findings

- Clarified differences between quantum illumination, reading, and computation capacity.
- Resolved recent confusions in quantum channel discrimination literature.
- Enhanced understanding of quantum protocol distinctions.

## Abstract

In this brief note, I clarify the crucial differences between three different protocols of quantum channel discrimination, after some confusion has appeared in recent literature.