Search Results for author: A. I. Lvovsky

Found 13 papers, 8 papers with code

Training neural networks with end-to-end optical backpropagation

no code implementations9 Aug 2023 James Spall, Xianxin Guo, A. I. Lvovsky

Optics is an exciting route for the next generation of computing hardware for machine learning, promising several orders of magnitude enhancement in both computational speed and energy efficiency.

Hybrid training of optical neural networks

no code implementations20 Mar 2022 James Spall, Xianxin Guo, A. I. Lvovsky

Optical neural networks are emerging as a promising type of machine learning hardware capable of energy-efficient, parallel computation.

Autoregressive neural-network wavefunctions for ab initio quantum chemistry

1 code implementation26 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.

Variational Monte Carlo

Aligning an optical interferometer with beam divergence control and continuous action space

1 code implementation9 Jul 2021 Stepan Makarenko, Dmitry Sorokin, Alexander Ulanov, A. I. Lvovsky

Reinforcement learning is finding its way to real-world problem application, transferring from simulated environments to physical setups.

reinforcement-learning Reinforcement Learning (RL)

Comprehensive model and performance optimization of phase-only spatial light modulators

1 code implementation4 May 2020 A. A. Pushkina, J. I. Costa-Filho, G. Maltese, A. I. Lvovsky

Several spurious effects are known to degrade the performance of phase-only spatial light modulators.

Optics Instrumentation and Detectors

Backpropagation through nonlinear units for all-optical training of neural networks

1 code implementation23 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

Quantum-inspired annealers as Boltzmann generators for machine learning and statistical physics

no code implementations18 Dec 2019 Alexander E. Ulanov, Egor S. Tiunov, A. I. Lvovsky

Quantum simulators and processors are rapidly improving nowadays, but they are still not able to solve complex and multidimensional tasks of practical value.

BIG-bench Machine Learning Combinatorial Optimization

Exploratory Combinatorial Optimization with Reinforcement Learning

2 code implementations9 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.

Combinatorial Optimization reinforcement-learning +1

Experimental quantum homodyne tomography via machine learning

no code implementations15 Jul 2019 E. S. Tiunov, V. V. Tiunova, A. E. Ulanov, A. I. Lvovsky, A. K. Fedorov

Complete characterization of states and processes that occur within quantum devices is crucial for understanding and testing their potential to outperform classical technologies for communications and computing.

BIG-bench Machine Learning

Versatile Digital GHz Phase Lock for External Cavity Diode Lasers

1 code implementation22 Sep 2008 Jürgen Appel, Andrew MacRae, A. I. Lvovsky

We present a versatile, inexpensive and simple optical phase lock for applications in atomic physics experiments.

Quantum Physics Instrumentation and Detectors

Diluted maximum-likelihood algorithm for quantum tomography

1 code implementation23 Nov 2006 Jaroslav Rehacek, Zdenek Hradil, E. Knill, A. I. Lvovsky

We propose a refined iterative likelihood-maximization algorithm for reconstructing a quantum state from a set of tomographic measurements.

Quantum Physics

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