1 code implementation • 29 Nov 2023 • Andries Smit, Paul Duckworth, Nathan Grinsztajn, Thomas D. Barrett, Arnu Pretorius
In this context, multi-agent debate (MAD) has emerged as a promising strategy for enhancing the truthfulness of LLMs.
1 code implementation • NeurIPS 2023 • Nathan Grinsztajn, Daniel Furelos-Blanco, Shikha Surana, Clément Bonnet, Thomas D. Barrett
Applying reinforcement learning (RL) to combinatorial optimization problems is attractive as it removes the need for expert knowledge or pre-solved instances.
1 code implementation • 14 Jun 2022 • Matthew Morris, Thomas D. Barrett, Arnu Pretorius
Allowing agents to share information through communication is crucial for solving complex tasks in multi-agent reinforcement learning.
1 code implementation • 28 May 2022 • Christopher W. F. Parsonson, Alexandre Laterre, Thomas D. Barrett
By retrospectively deconstructing the search tree into multiple paths each contained within a sub-tree, we enable the agent to learn from shorter trajectories with more predictable next states.
1 code implementation • 27 May 2022 • Thomas D. Barrett, Christopher W. F. Parsonson, Alexandre Laterre
Compared to the nearest competitor, ECORD reduces the optimality gap by up to 73% on 500 vertex graphs with a decreased wall-clock time.
1 code implementation • 26 Sep 2021 • Thomas D. Barrett, Aleksei Malyshev, A. I. Lvovsky
In recent years, neural network quantum states (NNQS) have emerged as powerful tools for the study of quantum many-body systems.
1 code implementation • 17 Feb 2020 • Robin Quessard, Thomas D. Barrett, William R. Clements
Learning disentangled representations is a key step towards effectively discovering and modelling the underlying structure of environments.
1 code implementation • 23 Dec 2019 • Xianxin Guo, Thomas D. Barrett, Zhiming M. Wang, A. I. Lvovsky
Backpropagation through nonlinear neurons is an outstanding challenge to the field of optical neural networks and the major conceptual barrier to all-optical training schemes.
Emerging Technologies Signal Processing Optics
2 code implementations • 9 Sep 2019 • Thomas D. Barrett, William R. Clements, Jakob N. Foerster, A. I. Lvovsky
Our approach of exploratory combinatorial optimization (ECO-DQN) is, in principle, applicable to any combinatorial problem that can be defined on a graph.
1 code implementation • 20 Mar 2019 • Thomas D. Barrett, Thomas H. Doherty, Axel Kuhn
It is found that birefringence can mitigate the tradeoff between stronger emitter-cavity coupling and efficient photon extraction.
Quantum Physics
1 code implementation • 19 Jul 2018 • Thomas D. Barrett, Oliver Barter, Dustin Stuart, Ben Yuen, Axel Kuhn
We present the effects of resonator birefringence on the cavity-enhanced interfacing of quantum states of light and matter, including the first observation of single photons with a time-dependent polarisation state that evolves within their coherence time.
Quantum Physics
2 code implementations • 27 Apr 2018 • Thomas D. Barrett, Dustin Stuart, Oliver Barter, Axel Kuhn
We theoretically and experimentally investigate nonlinear Zeeman effects within a polarised single-photon source that uses a single 87Rb atom strongly coupled to a high finesse optical cavity.
Quantum Physics