Howard M. Wiseman

Deterministic preparation of superpositions of vacuum plus one photon by adaptive homodyne detection: experimental considerations

2015 · New Journal of Physics

The preparation stage of optical qubits is an essential task in all the experimental setups employed for the test and demonstration of quantum optics principles. We consider a deterministic protocol for the preparation of qubits …

Dynamics of initially correlated open quantum systems: Theory and applications

2019 · Physical Review A

We show that the dynamics of any open quantum system that is initially correlated with its environment can be described by a set of ${d}^{2}$ (or less) completely positive maps, where $d$ is the dimension …

Towards the Implementation of a Laser that Surpasses the Standard Quantum Limit for Coherence

2025

A quantum enhancement exists for the production of coherence by a laser device. We explore recent developments relating to this fundamental result in laser physics, with an emphasis on the prospect for experimental implementation.